Collection of  Papers for Optical Interconnect Group

(Microelectronics Research Center, The University of Texas at Austin )


Journals or Letters (2000-present) 2017 2016 2015 2014  2013  2012  2011  2010  2009  2008  2007  2006  2005  2004  2003  2002  2001  2000  Prior to 2000

Conferences (2000-present) 2017 2016  2015  2014  2013  2012  2011  2010  2009  2008  2007  2006  2005  2004  2003  2002  2001  2000  Prior to 2000

2017

Yongqiang Hei, Jiao Liu, Wentao Li, Xiaochuan Xu, and Ray Chen, “Branch and bound methods based tone injection schemes for PAPR reduction of DCO-OFDM visible light communications,” Optics Express, 25, 595-604, 2017.

Xiangie Zhao, Hamed Dalir, Xiaochuan Xu, and Ray T. Chen “Efficient coupling into slow-light one-dimensional fishbone waveguide by mode converter method,” Appl. Phys. Express, 10,  072502, 2017.

Peter Mack Grubb, Harish Subbaraman, Saungeun Park, Deji Akinwande, and Ray T. Chen, “Inkjet Printing of High Performance Transistors with Micron Order Chemically Set Gaps,” Scientific Report ,7, 1012, 2017.

 

Lijun Huang, Hai Yan, Xiaochuan Xu, Swapanajit Chakravarty, Naimei Tang, Huiping Tian, and Ray Chen, “Improving the detection limit for on-chip photonic sensor based on subwavelength grating racetrack resonators,” Optics Express, Vol.25, No.9, pp.10527-10535, 2017.

Chao Liu, Zheng Wang, Erwen Li, Zexi Liang, Swapnajit Chakravarty, Xiaochuan Xu, Alan X. Wang, Ray T. Chen and Donglei Fan, “Electrokinetic manipulation integrated plasmonic-photonic hybrid raman nanosensors with dually enhanced sensitivity,” ACS Sensors, vol.2, pp.346-353, 2017 (top cover).

Yongqiang Hei, Wentao Li, Xiaochuan Xu, and Ray Chen, “Orthogonal STBC for MDL mitigation in mode division multiplexing system with MMSE channel estimation,” Journal of Lightwave Technology, vol.35, pp.1858-1867, 2017.

2016

Cheng Zhang, Harish Subbaraman, Qiaochu Li, Zeyu Pan, Jong G. Ok, Tao Ling, Chi-Jui Chuang, Xingyu Zhang, Xiaohui Lin, Ray T. Chen, and L. Jay Guo, “Printed photonics element: nanoimprinting and beyond,” Journal of Material Chemistry C, 4 5133-5153 (2016).

Xingyu Zhang, Cui-jui Chuang, Shiyi Wang, Harish Subbaraman, Zeyu Pan, Qiwen Zhan, and Ray T. Chen, “Integrated broadband Bowtie antenna on transparent silica substrate,” IEEE Antenna and Wireless Propagation Letters, vol.15, pp.1377-1381, 2016.

Hai Yan, Lijun Huang, Xiaochuan Xu, Swapnajit Chakravarty, Naimei Tang, Huiping Tian, and Ray T. Chen, "Unique surface sensing property and enhanced sensitivity in microring resonator biosensors based on subwavelength grating waveguides," Opt. Express 24, 29724-29733 (2016).

Hai Yan, Xiaochuan Xu, Chi-Jui Chung, Harish Subbaraman, Zeyu Pan, Swapnajit Chakravarty, and Ray T. Chen, "One-dimensional photonic crystal slot waveguide for silicon-organic hybrid electro-optic modulators," Opt. Lett. 41, 5466-5469 (2016)

Zheng Wang, Xiaochuan Xu, Donglei Fan, Yaguo Wang, and Ray Chen, “High quality factor subwavelength grating waveguide micro-ring resonator based on trapezoidal silicon pillars,” Optics Letters, 41 3375-3378 (2016).

Wentao Li, Yongqiang Hei, Harish Subbaraman, X. W. Shi, and Ray T. Chen, “Novel printed filtenna with dual notches and good out-of-band characteristics for UWB-MIMO applications,” IEEE Microwave and Wireless Components Letters, vol.26, pp.765-767, 2016.

Swapnajit Chakravarty, Xiangning Chen, Naimei Tang, Wei-Cheng Lai, Yi Zou, Hai Yan, and Ray T. Chen, “Review of design principles of 2D photonics crystal microcavity biosensors in silicon and their applications,” Frontier of Optoelectronics 9, 206-224 (2016).

Xingyu Zhang, Chi-Jui Chung, Amir Hosseini, Harish Subbaraman, Jingdong Luo, Alex K Y Jen, Robert L Nelson, Charles Y C Lee, and Ray Chen, “High performance optical modulator based on electro-optic polymer filled silicon slot photonic crystal waveguide,” Journal of Lightwave Technology 34, 2941-2951 (2016) (invited).

Po-Kuan Shen, Amir Hosseini, Xiaochuan Xu, Yongqiang Hei, Zeyu Pan, and Ray T. Chen, "Multiple-input multiple-output enabled large bandwidth density on-chip optical interconnect," Journal of Lightware Technology 34, 2969-2975 (2016).

Zheng Wang, Xiaochuan Xu, Donglei Fan, Yaguo Wang, Harish Subbaraman and Ray T. Chen, “Geometrical tuning art for entirely subwavelength grating waveguide based integrated photonics circuits,” Scientific Report 6, 24106 (2016).

[Supplementary material]

X. Zhang, C. J. Chung, S. Wang, H. Subbaraman, Z. Pan, Q. Zhan, and R. T. Chen, “Integrated Broadband Bowtie Antenna on Transparent Silica Substrate,” IEEE Antennas and Wireless Propagation Letters 15, 1377-1381 (2016).

2015

X. Zhang, S. Chakravarty, C.-J. Chung, Z. Pan, H. Yan and R. T. Chen, "Ultra-compact and wide-spectrum-range thermo-optic switch based on silicon coupled photonic crystal microcavities," Applied Physics Letters, vol. 107, p. 21104 (2015).

Z. Pan, H. Subbaraman, Y. Zou, X. Xu, X. Zhang, C. Zhang, Q. Li, L. J. Guo, R. T. Chen, "Quasi-vertical tapers for polymer-waveguide-based interboard optical interconnects," Photon. Res. 3, 317-323 (2015).

Y. Zou, S. Chakravarty, R. T. Chen, “Mid-Infrared Silicon-on-Sapphire Waveguide Coupled Photonic Crystal Microcavities” Applied Physics Letters, 107, 081109 (2015).

Y. Zou, S. Chakravarty, P. Wray, R. T. Chen, “Mid-Infrared Holey and Slotted Photonic Crystal Waveguides in Silicon-on-Sapphire for Chemical Warfare Simulant Detection,” Sensors and Actuators B 221, 1094–1103 (2015).

H. Yan, Y. Zou, S. Chakravarty, C.-J. Yang, Z. Wang, N. Tang, D. Fan and R. T. Chen., "Silicon on-chip bandpass filters for the multiplexing of high sensitivity photonic crystal microcavity biosensors," Applied Physics Letters, vol. 106, p. 121103, 2015.

Z. Wang, H. Yan, S. Chakravarty, H. Subbaraman, X. Xu, D. Fan,  A. X. Wang and R. T. Chen, “Microfluidic channels with ultralow loss waveguide crossings for various chip-integrated photonic sensors.” Optics Letters, vol. 40, no. 7 pp. 1563-1566 (2015).

Y. Zou, S. Chakravarty, P.Wray, and R. T. Chen, "Experimental demonstration of propagation characteristics of mid-infrared photonic crystal waveguides in silicon-on-sapphire," Opt. Express 23, 6965-6975 (2015).

C.-T. Chen, X. Xu, A. Hosseini, Z. Pan, H. Subbaraman, X. Zhang, and R. T. Chen, “Design of highly efficient hybrid si-au taper for dielectric strip waveguide to plasmonic slot waveguide mode converter,” Lightwave Technology, Journal of 33(2), 535 - 540 (2015).

H. Subbaraman, X. Xu, A. Hosseini, X. Zhang, Y. Zhang, D. Kwong, and R. T. Chen, "Recent advances in silicon-based passive and active optical interconnects," Optics Express, Vol. 23, Issue 3, pp. 2487-2511 (2015) (Invited Paper).

2014

X. Xu, H. Subbaraman, S. Chakravarty, A. Hosseini, J. Covey, Y. Yu, D. Kwong, Y. Zhang, W. Lai, Y. Zou, N. Lu, and R. T. Chen, "Flexible Single-Crystal Silicon Nanomembrane Photonic Crystal Cavity," ACS Nano 8 (12), 12265-12271 (2014).

J. Yang, F. Ren, X. Chong, D. Fan, S. Chakravarty, Z. Wang, R. T. Chen and A. X. Wang, “Guided-Mode Resonance Grating with Self-Assembled Silver Nanoparticles for Surface-Enhanced Raman Scattering Spectroscopy,” Photonics. Vol. 1. No. 4. Multidisciplinary Digital Publishing Institute, (2014).

J. Covey, A. D. Finke, X. Xu, W. Wu, Y. Wang, F. Diederich, and R. T. Chen, "All-optical switching with 1-ps response time in a DDMEBT enabled silicon grating coupler/resonator hybrid device," Opt. Express 22, 24530-24544 (2014). 

X. Lin, H. Subbaraman, Z. Pan, A. Hosseini, C. Longe, K. Kubena, P. Schleicher, P. Foster, S. Brickey, and R. Chen, “Towards Realizing High-Throughput, Roll-to-Roll Manufacturing of Flexible Electronic Systems,” Electronics 3, 624-635 (2014).

Y. Zhang, X. Xu, D. Kwong, J. Covey, A. Hosseini, R. T. Chen, "0.88 THz Skew-free 1-to-32 Optical Clock Distribution on Adhesively Bonded Silicon Nanomembrane," IEEE Photonics Technology Letters, 26, 2376-2379 (2014).

X. Zhang, H. Subbaraman, A. Hosseini, R. T. Chen, "Highly efficient mode converter for coupling light into wide slot photonic crystal waveguide," Opt. Express  22, 20678-20690 (2014).

S. Chakravarty, A. Hosseini, X. Xu, L. Zhu, Y. Zou, R. Chen, "Analysis of ultra-high sensitivity configuration in chip-integrated photonic crystal microcavity bio-sensors," Applied Physics Letters, 104, 191109 (2014).

Y. Zou, H. Subbaraman, S. Chakravarty, X. Xu, A. Hosseini, W. Lai, P. Wray, R. Chen, "Grating-coupled silicon-on-sapphire integrated slot waveguides operating at mid-infrared wavelengths," Opt. Lett.  39, 3070-3073 (2014).

Y. Zou, S. Chakravarty, L. Zhu, R. Chen, "The role of group index engineering in series-connected photonic crystal microcavities for high density sensor microarrays" Applied Physics Letters, 104, 141103 (2014).

X. Zhang, A. Hosseini, H. Subbaraman, S. Wang; Q. Zhan; J. Luo; A. Jen; R. T. Chen, "Integrated Photonic Electromagnetic Field Sensor Based on Broadband Bowtie Antenna Coupled Silicon Organic Hybrid Modulator," Lightwave Technology, Journal of , vol.32, no.20, pp.3774-3784 (2014)

D. Kwong, J. Covey, A. Hosseini, X. Xu, Y. Zhang, S. Chakravarty, R. Chen, "Corrugated Waveguide Based Optical Phased Array with Crosstalk Suppression," Photonics Technology Letters, IEEE , vol. PP, no. 99, pp.1,1 (2014).

Y. Zou, S. Chakravarty, D. Kwong, W. Lai, X. Xu, X. Lin, A. Hosseini, R. Chen, "Cavity-waveguide coupling engineered high sensitivity silicon photonic crystal microcavity biosensors with high yield," Selected Topics in Quantum Electronics, IEEE Journal of, vol.20, no.4, pp.1-10 (2014).

D. Kwong, A. Hosseini, J. Covey, Y. Zhang, X. Xu, H. Subbaraman, R. Chen, "On-chip silicon optical phased array for two-dimensional beam steering," Opt. Lett. 39, 941-944 (2014).

2013

Xingyu Zhang, A. Hosseini, S. Chakravarty, J. Luo, A. Jen, and R. Chen, "Wide optical spectrum range, subvolt, compact modulator based on an electro-optic polymer refilled silicon slot photonic crystal waveguide," Opt. Lett.  38, 4931-4934 (2013).

Y. Zhang, A. Hosseini, X. Xu, D. Kwong, and R. Chen, "Ultralow-loss silicon waveguide crossing using Bloch modes in index-engineered cascaded multimode-interference couplers," Opt. Lett.  38, 3608-3611 (2013).

W. Lai, S. Chakravarty, Y. Zou, and R. Chen, "Multiplexed detection of xylene and trichloroethylene in water by photonic crystal absorption spectroscopy," Opt. Lett.  38, 3799-3802 (2013).

X. Xu, H. Subbaraman, J. Covey, D. Kwong, A. Hosseini, and R. Chen, "Colorless grating couplers realized by interleaving dispersion engineered subwavelength structures," Opt. Lett.  38, 3588-3591 (2013).

Xiaochuan Xu, Harish Subbaraman, David Kwong, Amir Hosseini, Yang Zhang, and Ray T. Chen, "Large Area Silicon Nanomembrane Photonic Devices on Unconventional Substrates," IEEE Photonics Technology Letters,  Vol. 25, No.16, pp.1601-1604 (2013)

Yang Zhang, David Kwong, Xiaochuan Xu, Amir Hosseini, Sang Y. Yang, John A. Rogers and Ray T. Chen, “On-chip intra- and inter-layer grating couplers for three-dimensional integration of silicon photonics,” Appl. Phys. Lett. 102, 211109 (2013).

JohnL Covey and Ray T. Chen, "Efficient perfectly vertical fiber-to-chip grating coupler for silicon horizontal multiple slot waveguides," Optics Express, Vol. 21, Issue 9, pp. 10886-10896 (2013)

Xiaohui Lin, Tao Ling, Harish Subbaraman, Xingyu Zhang, Kwangsub Byun, L. Jay Guo, and Ray T. Chen, "Ultraviolet imprinting and aligned ink-jet printing for multilayer patterning of electro-optic polymer modulators," Opt. Lett. 38, 1597-1599 (2013) 

Xingyu Zhang, A. Hosseini, X. Lin, H. Subbaraman, and R. T. Chen, “Polymer-based Hybrid Integrated Photonic Devices for Silicon On-chip Modulation and Board-level Optical Interconnects,” Selected Topics in Quantum Electronics, IEEE Journal of , vol.19, no.6, pp.3401115, Nov-Dec 2013 (Invited Paper).

H. Subbaraman, D. T. Pham, X. Xu, A. Hosseini, Maggie Y. Chen, G. Gu, Y. Ling, X. Lu, and R. T. Chen, “Ink-Jet Printed Two Dimensional Phased-Array Antenna on a Flexible Substrate,” IEEE Antennas and Wireless Propagation Letters,” IEEE Antennas and Wireless Propagation Letters, Vol. 2., pp. 170-173 (2013). 

Wei-Cheng Lai, Swapnajit Chakravarty, Yi Zou, Yunbo Guo, and Ray T. Chen, “Slow light enhanced sensitivity of resonance modes in photonic crystal biosensors,” Appl. Phys. Lett. 102, 041111 (2013)

Lin, Xiaohui, Tao Ling, Harish Subbaraman, L. Jay Guo, and Ray T. Chen. "Printable thermo-optic polymer switches utilizing imprinting and ink-jet printing."Optics Express 21, no. 2 (2013): 2110-2117.

Lin, Xiaohui, Amir Hosseini, Xinyuan Dou, Harish Subbaraman, and Ray T. Chen. "Low-cost board-to-board optical interconnects using molded polymer waveguide with 45 degree mirrors and inkjet-printed micro-lenses as proximity vertical coupler." Optics Express 21, no. 1 (2013): 60-69.

2012

Xingyu Zhang, Beomsuk Lee , Che-yun Lin, Alan X. Wang, Amir Hosseini, Ray T. Chen, "Highly Linear Broadband Optical Modulator Based on Electro-Optic Polymer" , IEEE Photonics Journal, Vol. 4, Issue 6, pp.2214-2228 (2012) 

Swapnajit Chakravarty, Wei-Cheng Lai, Yi Zou, Harry A. Drabkin, Robert M. Gemmill, George R. Simon, Steve H. Chin, Ray T. Chen, “Multiplexed specific label-free detection of NCI-H358 lung cancer cell line lysates with silicon based photonic crystal microcavity biosensors,” Biosensors and Bioelectronics, Volume 43, 15 May 2013, Pages 50-55.

Shin, J.-D., Yoon, Y.-M., Park, J. and Chen, R. T., “Jitter in analog optical links using a quadrature-biased Mach–Zehnder modulator,”  Microw. Opt. Technol. Lett., 54: 2725–2727 (2012)

David Kwong, John Covey, Amir Hosseini, Yang Zhang, Xiaochuan Xu, and Ray T. Chen, "Ultralow-loss polycrystalline silicon waveguides and high uniformity 1x12 MMI fanout for 3D photonic integration," Opt. Express 20, 21722-21728 (2012) 

 Che-Yun Lin, Harish Subbaraman, Amir Hosseini, Alan X. Wang, Liang Zhu, and Ray T. Chen, "Silicon nanomembrane based photonic crystal waveguide array for wavelength-tunable true-time-delay lines," Appl. Phys. Lett. 101 (5), 051101-051104 (2012).

Harish Subbaraman, Xiaochuan Xu, John Covey, and Ray T. Chen, "Efficient light coupling into in-plane semiconductor nanomembrane photonic devices utilizing a sub-wavelength grating coupler," Optics Express, Vol. 20, No. 18, pp. 20659-20665 (2012)

Xiaochuan Xu, Harish Subbaraman, John Covey, David Kwong, Amir Hosseini, and Ray T. Chen, "Complementary metal–oxide–semiconductor compatible high efficiency subwavelength grating couplers for silicon integrated photonics," Appl. Phys. Lett. 101, 031109 (2012)

Swapnajit Chakravarty, Yi Zou, Wei-Cheng Lai and Ray T. Chen, “Slow light engineering for high Q high sensitivity photonic crystal microcavity biosensors in silicon,” Biosensors and Bioelectronics

Yi Zou, SwapnajitChakravarty, Wei-Cheng Lai, Che-Yun Lin and Ray T. Chen, "Methods to array photonic crystal microcavities for high throughput high sensitivity biosensing on a silicon-chip based platform", Lab Chip, 2012, 12, 2309–2312.

A. Hosseini, X. Xu, H. Subbaraman, C. Lin, S. Rahimi, and R. Chen, "Large optical spectral range dispersion engineered silicon-based photonic crystal waveguide modulator," Opt. Express  20, 12318-12325 (2012).

Xiaobin Xu, Dihan Hasan, Lei Wang, Swapnajit Chakravarty, Ray T. Chen, D. L. Fan, and Alan X. Wang, " Guided-mode-resonance-coupled plasmonic-active SiO[sub 2] nanotubes for surface enhanced Raman spectroscopy," Appl. Phys. Lett. 100, 191114 (2012)

Yang Zhang, Amir Hosseini, Jaehyun Ahn, David N. Kwong, Babak Fallahazad, Emanuel Tutuc, and Ray T. Chen, “Vertically integrated double-layer on-chip silicon membranes for 1-to-12 waveguide fanouts,” Appl. Phys. Lett. 100, 181102 (2012)

W. Lai, S. Chakravarty, Y. Zou, and R. Chen, "Silicon nano-membrane based photonic crystal microcavities for high sensitivity bio-sensing," Opt. Lett.  37, 1208-1210 (2012).

X. Xu, H. Subbaraman, A. Hosseini, C. Lin, D. Kwong, and R. Chen, "Stamp printing of silicon-nanomembrane-based photonic devices onto flexible substrates with a suspended configuration," Opt. Lett.  37, 1020-1022 (2012).

Pham, D.T.; Subbaraman, H.; Chen, M.Y.; Xiaochuan Xu; Chen, R.T.; , "Light Weight and Conformal 2-Bit, 1 X 4 Phased-Array Antenna With CNT-TFT-Based Phase Shifter on a Flexible Substrate," Antennas and Propagation, IEEE Transactions on , vol.59, no.12, pp.4553-4558, Dec. 2011

Che-Yun Lin, Alan X. Wang, Wei-Cheng Lai, John L. Covey, Swapnajit Chakravarty, and Ray T. Chen, "Coupling loss minimization of slow light slotted photonic crystal waveguides using mode matching with continuous group index perturbation," Opt. Lett. 37, 232-234 (2012) 

Pham, D.T.; Subbaraman, H.; Chen, M.Y.; Xiaochuan Xu; Chen, R.T.; , "Self-Aligned Carbon Nanotube Thin-Film Transistors on Flexible Substrates With Novel Source–Drain Contact and Multilayer Metal Interconnection," Nanotechnology, IEEE Transactions on , vol.11, no.1, pp.44-50, Jan. 2012

Chen, M.Y.; Pham, D.; Subbaraman, H.; Lu, X.; Chen, R.T.; , "Conformal Ink-Jet Printed  -Band Phased-Array Antenna Incorporating Carbon Nanotube Field-Effect Transistor Based Reconfigurable True-Time Delay Lines," Microwave Theory and Techniques, IEEE Transactions on , vol.60, no.1, pp.179-184, Jan. 2012

2011

Che-Yun Lin, Alan X. Wang, Beom Suk Lee, Xingyu Zhang, and Ray T. Chen, "High dynamic range electric field sensor for electromagnetic pulse detection," Opt. Express 19, 17372-17377 (2011) 

A. Hosseini, S. Rahimi, X. Xu, D. Kwong, J. Covey, and R. T. Chen, “Ultracompact and Fabrication-Tolerant Integrated Polarization Splitter,” Optics Letters, vol. 36, no. 20, c

Maggie Yihong Chen, Harish Subbaraman, and Ray T. Chen, "One stage pulse compression at 1554nm through highly anomalous dispersive photonic crystal fiber," Opt. Express 19, 21809-21817 (2011)

Somayyeh Rahimi, Amir Hosseini, Xiaochuan Xu, Harish Subbaraman, and Ray T. Chen, "Group-index independent coupling to band engineered SOI photonic crystal waveguide with large slow-down factor," Opt. Express 19, 21832-21841 (2011) 

Xinyuan Dou, Alan X. Wang, Xiaohui Lin, and Ray T. Chen, "Photolithography-free polymer optical waveguide arrays for optical backplane bus," Opt. Express 19, 14403-14410 (2011) 

Guiru Gu, Yunfeng Ling, Runyu Liu, et al., All-Printed Thin-Film Transistor Based on Purified Single-Walled Carbon Nanotubes with Linear Response, Journal of Nanotechnology, vol. 2011, Article ID 823680, 4 pages, 2011.

Lu X., Chen R.T. Polymeric Optical Code-Division Multiple-Access (CDMA) Encoder and Decoder Modules. Polymers. 2011; 3(3):1554-1564.

Xiaohui Lin, Xinyuan Dou, Alan X. Wang, and Ray T. Chen, "Nickel Electroplating for Nano Structure Mold Fabrication," Journal of Nanoscience and Nanotechnology Vol. 11 (1-5) (2011).

D. Kwong, A. Hosseini, Y. Zhang, R. T. Chen, 1x12 Unequally-spaced Waveguide Array for Actively-tuned Optical Phased Array on a Silicon Nanomembrane, Applied Physics Letters, Vol. 99, pp. 051104, 2011

Beom Suk Lee; Che-Yun Lin; Wang, A.X.; Chen, R.T.; , "Demonstration of a Linearized Traveling Wave Y-Fed Directional Coupler Modulator Based on Electro-Optic Polymer," Lightwave Technology, Journal of , vol.29, no.13, pp.1931-1936, July1, 2011

Daniel Pham, Harish Subbaraman, Maggie Yihong Chen, Xiaochuan Xu, and Ray T. Chen, "Light Weight and Conformal 2-bit, 1x4 Phased-Array Antenna with CNT-TFT Based Phase-Shifter on a Flexible Substrate," IEEE. Trans. Antenna and Propagation (accepted for publication 2011)

Xiaolong Wang, Che-Yun Lin, Swapnajit Chakravarty, Jingdong Luo, Alex K.-Y. Jen, and Ray T. Chen, "Effective in-device r33 of 735 pm/V on electro-optic polymer infiltrated silicon photonic crystal slot waveguides," Opt. Lett. 36, 882-884 (2011)

Wei-Cheng Lai, Swapnajit Chakravarty, Xiaolong Wang, Cheyun Lin, and Ray T. Chen, "On-chip methane sensing by near-IR absorption signatures in a photonic crystal slot waveguide," Opt. Lett. 36, 984-986 (2011) 

Amir Hosseini, David Kwong, Yang Zhang, Andrea Alu, and Ray T. Chen, "Modeling and experimental observation of an on-chip two-dimensional far-field interference pattern," Appl. Opt. 50, 1822-1826 (2011)

Wei-Cheng Lai, Swapnajit Chakravarty, Xiaolong Wang, Cheyun Lin, and Ray T. Chen, Photonic crystal slot waveguide absorption spectrometer for on-chip near-infrared spectroscopy of xylene in water,Appl. Phys. Lett. 98, 023304, 2011.

Amir Hosseini, Xiaochuan Xu, Harish Subbaraman, David Kwong, Way Jiang, and Ray T. Chen, On the Role of Evanescent Modes and Group Index Tapering in Slow Light Photonic Crystal Waveguide Coupling Efficiency, Applied Physics Letters, vol. 98, pp. 031107, 2011.

Hosseini, A.; Kwong, D.N.; Yang Zhang; Subbaraman, H.; Xiaochuan Xu; Chen, R.T.; , "1× N Multimode Interference Beam Splitter Design Techniques for On-Chip Optical Interconnections," Selected Topics in Quantum Electronics, IEEE Journal of , vol.17, no.3, pp.510-515, May-June 2011

2010

Beomsuk Lee, Che-Yun Lin, Alan X. Wang, Raluca Dinu, and Ray T. Chen, Linearized electro-optic modulators based on a two-section Y-fed directional coupler,  Vol. 49, No. 33,pp 6485-6488, Applied Optics, 2010.

Che-Yun Lin, Xiaolong Wang, Swapnajit Chakravarty, Beom Suk Lee, Wei-Cheng Lai, and Ray T. Chen, Wideband group velocity independent coupling into slow light silicon photonic crystal waveguide, Appl. Phys. Lett. 97, 183302, 2010.

Daniel Pham, Harish Subbaraman, Maggie Yihong Chen, Xioachuan Chen, and Ray T. Chen, Light Weight and Conformal 2-bit, 1x4 Phased-Array Antenna with CNT-TFT Based Phased-Shifter on a Flexible Substrate, IEEE Transactions on Antennas and Propagation, paper submitted on Oct. 18, 2010.

Kwong, D.; Zhang, Y.; Hosseini, A.; Liu, Y.; Chen, R.T.; , 1 X 12 even fanout using multimode interference optical beam splitter on silicon nanomembrane, Electronics Letters , vol.46, no.18, pp.1281-1283, 2010

A. Hosseini, D. Kwong, Y. Zhang, S. A. Chandorkar, F. Crnogorac, A. Carlson, B. Fallah, S. Bank, E. Tutuc, J. Rogers, R. F. W. Pease, and R. T. Chen, “On the fabrication of three-dimensional silicon-on-insulator based optical phased array for agile and large angle laser beam steering systems,” Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, vol.28, no.6, pp.C6O1 - C6O7, Nov 2010.

Che-Yun Lin, Xiaolong Wang, Swapnajit Chakravarty, Beom Suk Lee, Weicheng Lai, Jingdong Luo, Alex K-Y. Jen, and Ray T. Chen, Electro-Optic Polymer Infiltrated Silicon Photonic Crystal Slot Waveguide Modulator with 23dB Slow Light Enhancement, Appl. Phys.Letts, 97, 093304, 2010

A. Hosseini, H. Subbaraman, D. Kwong, Y. Zhang, R. T. Chen, Optimum Access Waveguide Width for 1xN Multimode Interference Couplers on Silicon Nanomembrane, Optics Letters, 35,2864-2866, 2010

A. Ghaffari, A. Hosseini, X. Xu, D. Kwong, H. Subbaraman, and Ray T. Chen, Transfer of Micro and Nano-photonic Silicon Nanomembrane Waveguide Devices on Flexible Substrates, Optics Express, 18(19), 20086-20095 (2010)

A. Hosseini, J. Covey, D. N. Kwong, and R. T. Chen,  Tapered Multi-mode Interference Couplers for High Order Mode Power Extraction, Journal of Optics, to appear 2010

Xinyuan Dou, Xiaolong Wang, Xiaohui Lin, Duo Ding, David Z. Pan and Ray T. Chen, Highly Flexible Polymeric Optical Waveguide for Out-of-Plane Optical Interconnects, Optics Express,18, 16227-16233 (2010).

Xiaolong Wang, Boem-Suk Lee, Che-Yun Lin, Dechang An, and Ray T. Chen, Electroptic Polymer Linear Modulators Based on Multiple-Domain Y-Fed Directional Coupler, Journal of Lightwave Technology, Vol. 28, No. 11, 1670-1676 (June 2010).

Amir Hosseini, David N. Kwong, Che-Yun Lin, Beom Suk Lee, and Ray T. Chen, Output Formulation for Symmetrically-Excited one-to-N Multimode Interference Coupler, IEEE Journal of selected topics in quantum electronics, 16(1),61-69 (2010).

Xinyuan Dou, Xiaolong Wang, Haiyu Huang, Xiaohui Lin, Duo Ding, David Z. Pan and Ray T. Chen, Polymeric waveguides with embedded micro-mirrors formed by Metallic Hard Mold, Optics Express 18, 378-385 (2010).

Xinyuan Dou, Xiaonan Chen, Yihong Chen, Xiaolong. Wang, Wei Jiang and Ray T. Chen, Ultra-compact Laser beam Steering device using holographically formed two dimensional photonic crystal, J. Nanosci. Nanotechnol. 10, 1650-1655 (2010).

2009

Xiaolong Wang, Swapnajit Chakravarty, Boem-Suk Lee, Che-Yun Lin, and Ray T. Chen, "Ultra-Efficient Control of Light Transmission through Photonic Potential Barrier Modulation," Optics Letters, Vol.34, No.20, pp.3202-3204 (2009)

Beomsuk Lee, Cheyun Lin, Xiaolong Wang, Ray T. Chen, Jingdong Luo, and Alex K. Y. Jen, Bias-free electro-optic polymer-based two-section Y-branch waveguide modulator with 22 dB linearity enhancement, Optics Letters, Vol. 34, Issue 21, pp. 3277-3279 (2009)

Li Wang,Sasa Zhang,Qingpu Wang,Jiaqi Chen,Wei Jiang,Ray T. Chen, Fabrication of three-dimensional (3D) woodpile structure photonic crystal with layer by layer e-beam lithography, Appl Phys A ,Vol.95,No.2,pp.329-334(2009)

Zhang Sasa,Wang Qingpu,Zhang Xingyu,Lian Jie,Chang Jun,Li Lan,Chen Jiaqi,Wang Li and Chen Ruizeng, The study for fabricating 2-D polymer photonic crystals by soft lithography technology, Acta Photonica Sinica, Vol.38,No.,1,pp.54-59(2009)

Amir Hosseini, David Kwong, Yang Zhao, Yun-Sheng Chen, and Ray T. Chen, Unequally-spaced Waveguide Arrays for Silicon Nano-membrane-based Efficient Large Angle Optical Beam Steering, IEEE Journal of Selected Topics in Quantum Electronics, vol. 15, no. 5, 1439-1446, 2009

Yun-Sheng Chen, Yang Zhao, Amir Hosseini, David Kwong, Wei Jiang, Seth R. Bank, Emanuel Tutuc, Ray T. Chen, Delay Time Enhanced Flat Band Photonic Crystal Waveguides with Capsule-shaped Holes on Silicon Nanomembrane, J. Selected. Topics in Quantum Electronics, Vol.15, No.5, pp.1510 - 1514  (2009)

 Xiaonan Chen, Alan X. Wang, Swapnajit Chakravarty, and Ray T. Chen, Electrooptically-Active Slow-Light-Enhanced Silicon Slot Photonic Crystal Waveguides, J. Selected. Topics in Quantum Electronics, Vol.15, No.5, pp.1506 - 1509  (2009) 

Xiaonan Chen, Yun-Sheng Chen, Yang Zhao, Wei Jiang, and Ray T. Chen, Capacitor-embedded 0.54 pJ/bit silicon-slot photonic crystal waveguide modulator, Opt. Letts, Vol. 34, No. 5, pp. 602-604 (2009)

2008

Jarrod Vaillancourt, Haiyan Zhang, Puminun Vasinajindakaw, Haitao Xia, Xuejun Lu, Xuliang Han, Daniel C. Janzen, Wu-Sheng Shih, Carissa S. Jones, Mike Stroder, Maggie Yihong Chen, Harish Subbaraman, Ray T. Chen, Urs Berger, and Mike Renn, All ink-jet-printed carbon nanotube thin-film transistor on a polyimide substrate with an ultrahigh operating frequency of over 5 GHz, Appl. Phys. Letts Vol. 93, pp. 243301 (2008)

Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen, Photonic Dual RF Beam Reception of an X-band Phased Array Antenna using Photonic Crystal Fiber based True-Time-Delay Beamformer, Applied Optics, Vol. 47, No. 34, pp. 6448-6452 (December 2008)

Lanlan Gu, Wei Jiang, Xiaonan Chen, and Ray T. Chen, Physical Mechanism of p-i-n-Diode-Based Photonic Crystal Silicon Electrooptic Modulators for Gigahertz Operation, IEEE Journal Of Selected Topics In Quantum Electronics, Vol. 14, No. 4, pp. 1-7 (July/August 2008)

W. Jiang and R. T. Chen, Symmetry-induced singularities of the dispersion surface curvature and high sensitivities of a photonic crystal, Phys. Rev. B vol. 77, 075104 (2008)

Harish Subbaraman, Maggie Yihong Chen, and Ray. T. Chen, Photonic Crystal Fiber Based True-Time-Delay Beamformer for Multiple RF Beam Transmission and Reception of an X-Band Phased Array Antenna, IEEE/OSA Journal of Lightwave Technology, Vol. 26, No. 15, pp. 2803-2809 (August 2008)

Harish Subbaraman, Maggie Yihong Chen, YongQiang Jiang, and Ray T. Chen, Reply to Comment on Design of a broadband highly dispersive pure silica photonic crystal fiber, Applied Optics, Vol. 44, No. 18, pp. 3330-3332 (June 2008)

Maggie Yihong Chen, Harish Subbaraman, and Ray T. Chen, Photonic Crystal Fiber Beamformer for Multiple X-band Phased-Array Antenna Transmissions, IEEE Photonics Technology Letters, Vol. 5, No. 5, pp. 375-377 (March 2008)

Xiaolong Wang, Wei Jiang, Li Wang, Hai Bi, and Ray T. Chen, Fully Embedded Board-Level Optical Interconnects From Waveguide Fabrication to Device Integration, Journal of Lightwave Technology, Vol. 26, No. 2, pp. 243-250 (January 2008)

2007

W. Jiang, L. Gu, X. Chen, R. T. Chen, Photonic Crystal Waveguide Modulators for Silicon Photonics: Device Physics and Some Recent Progress, Solid State Electronics, vol. 51, 1278 (2007)

Xiaonan Chen, Wei Jiang, Jiaqi Chen, and Ray T. Chen, Theoretical Study of Light Refraction in Three-Dimensional Photonic Crystals, IEEE/OSA Journal of Lightwave Technology, Vol. 25, No. 9, pp. 2469-2474 (2007).

Xiaonan Chen, Wei Jiang, Jiaqi Chen, Lanlan GU, and Ray T. Chen, 20 dB-enhanced coupling to slot photonic crystal waveguide using multimode interference coupler, Applied Physics Letters, Vol. 91, 091111 (2007).

Li Wang, Wei Jiang, Xiaonan Chen, Lanlan Gu, Jiaqi Chen, and Ray T. Chen, Fabrication of polymer photonic crystal superprism structures using polydimethylsiloxane soft molds, Journal of Applied Physics, Vol. 101, 1 (2007).

Harish Subbaraman, Tao Ling, YongQiang Jiang, Maggie Chen, Peiyan Cao, and Ray Chen, Design of a Broadband Highly Dispersive Pure Silica Photonic Crystal Fiber, Applied Optics, Vol. 46, No. 16, pp. 3263-3268 (2007)

Xiaolong Wang, Ray T. Chen, Image Enhanced Polymer-based Multi-mode Interference Coupler Covering C- and L- Bands Using Deeply Etched Air Trenches, Applied Physics Letters, vol.90, 111106 (2007).

Xiaolong Wang, Li Wang, Wei Jiang, and R. T. Chen, 51cm-long Hard-molded Waveguide Array with 150 GHz Bandwidth for Board Level Optical Interconnects, Optics Letters, Vol. 32, no. 6, pp. 677-679  (2007)

Jiaqi Chen, Wei Jiang, Xiaonan Chen, Li Wang, Sasa Zhang, and Ray T. Chen, Holographic three-dimensional polymeric photonic crystals operating in the 1550 nm window, Applied Physics Letters, 90, 093102 (2007).

Brie Howley, Xiaolong Wang, Maggie Chen, and Ray T. Chen, Reconfigurable Delay Time Polymer Planar Lightwave Circuit for an X-band Phased-Array Antenna Demonstration, Journal Of Lightwave Technology, vol. 25, no. 3, pp. 883 – 890, March 2007.

Lanlan Gu,Wei Jiang, Xiaonan Chen, and Ray T. Chen,Thermo-optically-tuned photonic crystal silicon-on-insulator Mach-Zehnder interferometers, IEEE Photonics Technology Letters,19, 342-344,(2007)

Lanlan Gu, Wei Jiang, Xiaonan Chen, Li Wang, and Ray T. Chen, High speed silicon photonic crystal waveguide modulator for low voltage application, Applied Physics Letters, 90, 071105 (2007)

Xiaolong Wang, Brie Howely, Maggie Chen, Ray T.Chen, Phase Error Corrected 4-Bit True Time Delay Module Using Cascaded 2x2 Polymer Waveguide Switch Array, Applied Optics, Vol.46, no.3, pp.379-383 (2007)

2006

Hai Bi, Xuliang Han, Xiaonan Chen, Wei Jiang, Jinho Choi, and Ray T. Chen, 15Gbps Bit-Interleaved Optical Backplane Bus using Volume Photo-polymer Holograms, IEEE Photonics Technology Letters, Vol.18, pp.2165-2167, October, 2006

Wei Jiang and Ray T. Chen, "Rigorous Analysis of Diffraction Gratings of Arbitrary Profiles Using Virtual Photonic Crystals", J. Opt. Soc. Am. A, Vol. 23, No. 9 (2006).

Xiaolong Wang, Brie Howely, Maggie Chen, Ray T.Chen, 4x4 Non-blocking Polymeric Thermo-optic Switch Matrix using the Total Internal Reflection Effect, IEEE Journal of Selected Topics in Quantum Electronics, Vol.12, pp.997-1000, Sep/Oct, 2006

J. H. Choi, L.Wang, H. Bi and R. T. Chen, Effects of Thermal-Via Structures on Thin Film VCSELs for Fully Embedded Board-Level Optical Interconnection System, IEEE Selected Topics in Quantum Electronics, Vol.12, pp.1060-1065, Sep/Oct, 2006

Brie Howley, Xiaolong Wang, and Ray T. Chen, Yihong Chen, Experimental evaluation of curved polymer waveguides with air trenches and offsets, Journal of Applied Physics, Vol.100, 023114, 2006

Xiaolong Wang, Brie Howley, Maggie Chen and Ray Chen,  Polarization-independent All-wave Polymer Based TIR Thermo-optic Switch , IEEE Journal of Lightwave Technol.,Vol.24,pp.1558-1565, Mar.2006

Yongqiang Jiang, Xiaonan Chen, and Brie Howley, Maggie Y. Chen, Ray T. Chen,  Effects of temperature fluctuation on highly dispersive photonic crystal fibers , Applied Physics Letters, Vol.88, 011108, Jan 2006

Xiaolong Wang, Brie Howley, Maggie Y. Chen, and Ray T. Chen,  Crosstalk-Minimized Polymeric 2 by 2 Thermooptic Switch , IEEE Photonics Technology Letters, Vol.18, pp.16-18, Jan. 2006

2005

Lanlan GU, Xiaonan Chen, Wei Jiang, Brie Howley, Ray T Chen, Fringing-field minimization in liquid-crystal-based high-resolution switchable gratings, Applied Physics Letters, 87, 201106-1-3 (2005)

Li Wang, Xiaolong Wang, Wei Jiang, Jinho Choi, Hai Bi, and Ray Chen,  45° polymer-based total internal reflection coupling mirrors for fully embedded intraboard guided wave optical interconnects , Applied Physics Letters, Vol.87,  141110, Sep.2005

Brie Howely, Yihong Chen, Xiaolong Wang, Qingjun Zhou, Zhong Shi, Yongqiang Jiang, and Ray T. Chen,  2-bit Reconfigurable True Time Delay Lines Using 2by 2 Polymer Waveguide Switches , IEEE Photonics Technology Letters, Vol.17, No.9, pp.1944-1946, Sep. 2005

Xiaonan Chen, Zhong Shi, Lanlan Gu, Brie Howley, Yongqiang Jiang, and Ray T. Chen, Miniaturized delay-time-enhanced photopolymer waveguide hologram module for phased-array antenna, IEEE Photonics Technology Letters, vol. 17, no. 10, pp. 2182-2184, Oct. 2005

Zou, Jizuo; Zhao, Feng; Chen, Ray T.,  Mode-Matched Ion-Exchanged Glass-Waveguide Bridge for High-Performance Dense Wavelength Division Multiplexer , IEEE Journal of Lightwave Technology,Vol.23, No.10, pp.2926-2933, Oct.2005

Zhong Shi, Lanlan Gu, Brie Howley, Yongqiang Jiang, QingJun Zhou, Ray Chen, Yihong Chen, Xiaolong Wang, H. R. Fetterman, and George Brost,  True-time-delay modules based on a single tunable laser in conjunction with a waveguide hologram for phased array antenna application , Opt. Eng. Vol. 44, 084301 (Aug. 10, 2005)

Yongqiang Jiang, W. Jiang, L. Gu, X. Chen, R. T. Chen,  80-micron interaction length silicon photonic crystal waveguide modulator , Applied Physics Letter, vol. 87, No. 22, (Nov. 28, 2005)

Yongqiang Jiang, Z.Shi, B. Howley, X. Chen, M. Y. Chen, R.T. Chen,  Delay Time Enhanced Photonic Crystal Fibers Array for Wireless Communications using 2-D X-band Phased Array Antennas , Optical Engineering, vol. 44, No. 12, (Dec 2005)

Wei Jiang, Ray Chen, Xuejun Lu,  Theory of light refraction at the surface of a photonic crystal , Physical Review B, Vol 71, 245115, 2005

Lanlan Gu, Xiaonan Chen, Zhong Shi, Brie Howley, Jian Liu, and Ray T. Chen,  Bandwidth-enhanced volume grating for dense wavelength-division multiplexer using a phase-compensation scheme , Applied Physics Letters, Vol.86, pp.181103

Lanlan Gu, Feng Zhao, Zhong Shi, Jian Liu, Ray T. Chen,  Four-channel coarse WDM for inter- and intra-satellite optical communications , Optical and Laser Technology, Vol.37, pp.551-554

Jiang, Y.; Howley, B.; Shi, Z.; Zhou, Q.; Chen, R.T.; Chen, M.Y.; Brost, G.; Lee, C., Dispersion-Enhanced Photonic Crystal Fiber Array for a True Time-Delay Structured  X -Band Phased Array Antenna ,Photonics Technology Letters, IEEE  ,Volume: 17 , Issue: 1 , Jan. 2005 , Pages:187 - 189

2004

Ray Chen,  IEEE LEOS 2004 Summer Topicals Meeting:Optical Interconnects and VLSI Photonics, June 28-30, 2004 , LEOS Newsletters, 2004 No.5: p8-9

Howley B, Shi Z, Jiang YQ, et al.  Thermally tuned optical fiber for true time delay generation , Optics and Laser Technology 37 (1): 29-32 FEB 2004

Choi, C.; Lin, L.; Yujie Liu; Jinho Choi; Li Wang; Haas, D.; Magera, J.; Chen, R.T., Flexible optical waveguide film fabrications and optoelectronic devices integration for fully embedded board-level optical interconnects , Lightwave Technology, Journal of  ,Volume: 22 , Issue: 9 , Sept. 2004 , Pages:2168 - 2176

Yihong Chen; Wu, K.; Feng Zhao; Chen, R.T.; Loss compensated photonic true-time delay for phased-array antenna ,Antennas and Propagation Society Symposium, 2004. IEEE  ,Volume: 4 , 20-25 June 2004 Pages:4324 - 4327 Vol.4

Zhou QJ, Yang JY, Shi Z, Jiang YQ, Howley B, Chen RT. Performance limitations of a Y-branch directional-coupler-based polymeric high-speed electro-optical modulator , OPT ENG 43 (4): 806-811 APR 2004

Yang JY, Zhou QJ, Jiang XQ, Wang MH, Chen RT., Polymer-based electrooptical circular-polarization modulator ,IEEE PHOTONIC TECH L 16 (1): 96-98 JAN 2004

Yang JY, Zhou QJ, Jiang XQ, Wang MH, Wang YL, Chen RT,  Optical Circular-Polarization Modulator Emplolying Tilt-Poled Electrooptic Polymers , IEEE Journal of Lighwave Technology, Vol.22, No.8, 2004: 1930-1934

2003

Jin-Ha Kim, Lin Sun, Chiou-Hung Jang, Chul-Chae Choi, and Ray T. Chen ,  Polymer-based thermo-optic waveguide beam deflector with novel dual folded-thin-strip heating electrodes ,Opt. Eng. 42, 620 (2003)

Feng Zhao, Yun Zhang, Jizuo Zou1, Zhong Shi, Bipin Bihari, Xuegong Deng and Ray Chen,  Wavelength division multiplexers/demultiplexers for optical interconnects in massively parallel processing , Optical Engineering, Vol. 42, pp. 273-280 (2003)

Feng Zhao, Yun Zhang, Jizuo Zou, Zhong Shi, Bipin Bihari, Edward Frietman, Xuegong Deng, Jie Qiao, Zan Shi, and Ray T. Chen,  Wavelength division multiplexers/demultiplexers for optical interconnects in massively parallel processing , Opt. Eng. 42, 273 (2003)

Yihong Chen and Ray T. Chen ,  K-band phased-array antenna system demonstration using substrate guided wave true-time delay ,  Opt. Eng. 42, 2000 (2003)

Jiang W, Chen RT, Multichannel optical add-drop processes in symmetrical waveguide-resonator systems, Phys Rev Lett 91 (21): Art. No. 213901 Nov 21 (2003)

Han XL, Kim G, Lipovski GJ, Chen RT,  An optical centralized shared-bus architecture demonstrator for microprocessor-to-memory interconnects ,IEEE J SEL TOP QUANT 9 (2): 512-517 MAR-APR 2003

Yang J., Zhou Q., Jiang X., Wang M., Chen R. T., Electro-optic polymeric polarization converter employing tilted-poling method, Chinese J. Semiconductor, 4(11): 1217-1221 (2003)

J. Yang, Q. Zhou, F. Zhao, X. Jiang, B. Howley, M. Wang, R. Chen, Characteristics of optical bandpass filters employing series-cascaded double-ring resonators, Opt. Commun., 228(1-3): 91-98 (2003)

Yang J., Jiang X., Wang M., Zhou Q., Chen R., Characteristics and limitations of optical filters employing single-ring microresonators, J. Optoelectronics•Laser, 14(1): 12-16 (2003)

Choi C, Lin L, Liu YJ, Chen RT, Performance analysis of 10-mu m-thick VCSEL array in fully embedded board level guided-wave optoelectronic interconnects ,J Lightwave Technol 21 (6): 1531-1535 Jun 2003

Jang CH, Chen RT,  Polymer-based 1x6 thermooptic switch incorporating an elliptic TIR waveguide mirror J Lightwave Technol 21 (4): 1053-1058 Apr 2003

Shi Z, Jiang YQ, Howley B, Chen RT. Continuously delay-time tunable-waveguide hologram module for X-band phased-array antenna, IEEE Photonic Tech L 15 (7): 972-974 JUL 2003

Lin L, Liu YJ, Choi CC, Chen RT, Hybrid integration of 1 x 12 metal-semiconductor-metal photodetector and polyimide waveguide array ,OPT REV 10 (2): 124-127 MAR-APR 2003

Kim JH, Chen RT, A collimation mirror in polymeric planar waveguide formed by reactive ion etching ,IEEE PHOTONIC TECH L 15 (3): 422-424 MAR 2003

C. Jang, and R. T. Chen, "Polymer-Based 1x6 Thermo-optic switch incorporating an Elliptic TIR Waveguide Mirror," IEEE J. Lightwave Technol. 21, 1053-1058 (2003)

Han XL, Kim G, Chen RT, Demonstration of the centralized optical backplane architecture in a three-board microprocessor-to-memory interconnect system ,OPT LASER TECHNOL 35 (2): 127-131 MAR 2003

2002

Zou JZ, Zhao F, Chen RT, Two-step K+-Na+ and Ag+-Na+ ion-exchanged glass waveguides for C-band applications, APPL OPTICS 41 (36): 7620-7626 DEC 20 2002

Han XL, Kim G, Chen RT, Accurate diffraction efficiency control for multiplexed volume holographic gratings ,OPT ENG 41 (11): 2799-2802 NOV 2002

Qiao J, Zhao F, Chen RT, et al. Athermalized low-loss echelle-grating-based multimode dense wavelength division demultiplexer ,APPL OPTICS 41 (31): 6567-6575 NOV 1 2002

Yang JY, Zhou QJ, Chen RT, Polyimide-waveguide-based thermal optical switch using total-internal-reflection effect ,APPL PHYS LETT 81 (16): 2947-2949 OCT 14 2002

Chen YH, Chen RT, A fully packaged true time delay module for a K-band phased array antenna system demonstration ,IEEE PHOTONIC TECH L 14 (8): 1175-1177 AUG 2002

Lu XJ, Jang CH, An DC, Chen RT. Polymeric multimode waveguide based electro-optic modulator with a vertically configured dumping planar waveguide ,APPL PHYS LETT 81 (5): 795-797 JUL 29 2002

Feng Zhao and Ray Chen,  Wavelength division multiplexer/demultiplexers for high throughput optical link , Pro. Of  Photonics west  2002, Vol. 4653.

Jiang W, Sun YZ, Chen RT, et al. Ball-lens based optical add-drop multiplexers: Design and implementation IEEE PHOTONIC TECH L 14 (6): 825-827 JUN 2002

Wei Jiang, Yingzhi Sun, Ray T. Chen, Baoping Guo, J. Horwitz, and W.Morey, Ball-lens based optical add-drop multiplexers: design and implementation,  IEEE Photonics Technology Letters, Vol. 14, No. 6, June 2002, pp. 825-827.

Gicherl Kim, Xuliang Han, and Ray T. Chen,  A method for rebroadcasting signals in an optical backplane bus system,  Journal of Lightwave Technology, Vol.19,No.7, pp. 959 -965,  2002

Jie Qiao, Feng Zhao,  Ray T. Chen, James W. Horwitz, William W. Morey ,  Athermalized Low-Loss Echelle Grating-Based Multimode Dense Wavelength Division Demultiplexer , Applied Optics, Vol. 41, No. 31, pp 6567-6575, Nov 2002

2001

Y.Liu, L.Lin, C.Choi, B.Bihari and R.T.Chen, Optoelectronic Integration of Polymer Waveguide Array and Metal-Smiconductor-Metal Photodetector ThroughMicromirror Couplers, IEEE Photonics Technol. Lett., Vol 13, No 4,pp355-357, 2001

Jie Qiao, Feng Zhao, Hames Horwitz and Ray Chen,   32 Channel 100Ghz-spaced Demultiplexer for Metropolitan Area Network , Optical Engineering, Vol. 40, No. 7, 1255-1259(2001).

Feng Zhao, Jie Qiao, Xuegong Deng and Ray Chen et al,  Reliable Grating-based Wavelength Division (De)multiplexers for Optical Networks , Optical Engineering, Vol. 40, No. 7, 1204-1211(2001).

Gicherl Kim, Xuliang Han, and Ray T. Chen,  A Method for rebroadcasting signals in an optical backplane bus system , IEEE J. of Lightwave Tech., Vol. 19, No.7, pp. 959-965,  2001

Zan Shi, Jianyi Yang, James J. Foshee, Walter B. Hartman, Suning Tang, and Ray T. Chen, Photonics for time delay in communication systems, Optical Engineering. Vol 40, No. 7, 1238-1243 (July 2001)

2000

Gicherl Kim, Xuliang Han, and Ray T. Chen,  An 8Gbit/s Optical Backplane Bus based on Microchannel Interconnects:Design, Fabrication, and Performance Measurements ,IEEE J. of Lightwave Tech, Vol. 18, No.11, pp. 1477-1486, Nov, 2000

Gicherl Kim, Xuliang Han, and Ray T. Chen,  Crosstalk and Interconnect Distance Consideration for Board-to-Board Optical Interconnects using 2-D VCSEL and Microlens Array , IEEE Photonics Tech Letters, Vol. 12, No.6, pp743-745, 2000

G. Kim, X. Han, and R. T. Chen,  6 GHz Optical Bus based on Microchannel  Interconnects: Design, Fabrication, and Performance Measurements,  IEEE Journal of  Lightwave Technology.  In press (2000).

G. Kim, X. Han, and R. T. Chen,  Cross talk and Interconnection  Distance Considerations,  Optical Engineering 39, 3, 643-651 (2000).  S. Tang, B. Li, X. Han, and R. T. Chen,  An Integrated Thin-film Thermo- optic  Waveguide Beam Deflector,  Applied Physics Letters 76, 15 (2000).

X. Lu, D. An, L. Sun, Q. Zhou, and Ray T. Chen,  Polarization-insensitive Thermo-optic  Switch based on Multi-mode Polymeric Waveguides with an Ultra-large Optical Bandwidth,  Applied Physics Letters, Vol. 76, pp. 2155-2157 (2000).

Ray Chen, etal,  Fully Embedded Board level Guided-wave Optoelctronic Interconnects,  Invited paper, Proceedings of IEEE, Vol.88, pp.780-793(2000)

Xuegong Deng and Ray T. Chen, Design of cascaded diffractive phase elements for three-dimensional multi-wavelength optical interconnects, Optics Letters, 25(14),1046-1048 (2000).

X. Deng and R. T. Chen,  Design of Diffractive Phase Elements for Three-dimensional   Multi- wavelength Optical Interconnects,  Optics Letters, Vol. 25, pp. 1046-1048 (2000).

D. An, S. Lin and R.T. Chen, Polymeric electro-optic modulator based on 1Ã2 Y-fed directional coupler,  Applied Physics Letters, Vol. 76, pp. 1972-1974 (2000).

S. Tang, R. T. Chen, B. Li, and J. Foshee, Waveguides take to the Sky: Polymeric  Waveguide Circuits for Airborne Photonic Phased-Array Antennas Enable Communication without Boundaries,  IEEE Circuits & Devices 16, 1, 10-16 (2000).

S. Tang, B. Li, N. Jiang, D. An, Z. Fu, L. Wu, R. T. Chen,  Ultra-low-loss Polymeric  Waveguide Circuits for Optical True-time delays in Wideband Phased Array Antennas,  Optical Engineering 39, 3, 643-651 (2000)

Xuegong Deng, Dechang An, Feng Zhao, Ray T. Chen, and Victor Villavicencio, Temperature sensitivity of passiveholographic wavelength division multiplexers-demultiplexers,  Applied Optics, 39(23), 4047-4057 (2000).

Jie Qiao, Feng Zhao, Jian liu, Ray T. Chen,  Dispersion-enhanced Volume Hologram for Dense Wavelength-Division Demultiplexer  IEEE Photonics Technology Letters, 12 (8), 1070-1072 (2000)

X. Deng, D. An, F. Zhao, R.T. Chen, V. Villavicencio,  Temperature Sensitivity of Passive Holographic Wavelength-division Demultiplexing,  Applied Optics, Vol. 39, pp. 4047-4057 (2000).

X. Deng, B. Bihari, J. Gan, F. Zhao, and R. T. Chen,  Fast Algorithms for Chirp Transforms with Zooming-in Abilities and its Applications,  J. Opt. Soc. Am. A. 17 (4)  (2000).

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Recent Conference papers from (2003-Present)

2017

Swapnajit Chakravarty, Xiaochuan Xu, Hai Yan, Wei-Cheng Lai, Yi Zou and Ray T. Chen, “Slow light enhanced silicon chip based chem-bio sensor,” OSA Optical Sensors, 2017 (invited).

Xiaochuan Xu, Elham Heidari, Lijun Huang, Naimei Tang, and Ray T. Chen, “integrated Al2O3 Waveguide for Ultraviolet Spectroscopy,” IEEE Photonics Summer Topicals, 2017.

Ray T. Chen, “Nanophotonic Devices for Power-efficient Computing and Optical Interconnects,” Invited Talk, IEEE Photonics Summer Topical Meeting, Puerto Rico, July, 10-12, 2017

Swapnajit Chakravarty, Hai Yan, Yi Zou, and Ray T. Chen, “Mid-infrared Silicon Photonics Devices and Sensors,” IEEE Photonics Summer Topicals, 2017.

Zheng Wang, Chao Liu, Erwen Li, Swapnajit Chakravarty, Xiaochuan Xu, Alax X. Wang, D.L. Fan and Ray T. Chen, “Guided mode resonance coupled localized surface plasmons for dually resonance enhanced Raman scattering sensing,” Proc. SPIE, 1008003, 2017.

Hai Yan, L. Huang, X. Xu, N. Tang, S. Chakravarty, H. Tian and R. T. Chen, “Silicon based on-chip sub-wavelength grating ring and racetrack resonator biosensors,” MRS Advances, 1-13, 2017.

L. Huang, H. Yan, X. Xu, S. Charavarty, N. Tang, H. Tian and R. T. Chen, “Subwavelength grating racetrack resonator based ultrasensitive refractive index sensor,” CLEO, paper SW1N.7, 2017.

Hai Yan, L. Huang, X. Xu, S. Chakravarty, N. Tang, H. Tian and R. T. Chen, “Breaking the limitation of evanescent wae sensing with subwaelengh grating waveguides,” CLEO, paper JTh3M.3, 2017.

L. Huang, H. Yan, X. Xu, S. Charavarty, N. Tang, H. Tian and R. T. Chen, “Low detection limit sensor based on subwavelength grating racetrack resonator,” Proc. SPIE 10077, 100770M-100770M-7, 2017.

Hai Yan, L. Huang, X. Xu, N. Tang, S. Chakravarty, and R. T. Chen, “Ehnanced surface sensitivity in microring resonator biosensor based on subwavelength grating waveguides,” Proc. SPIE 10081, 100810G-100810G-7, 2017.

Hai Yan, X. Xu, C.J. Chuang, H. Subbaraman, Z. Pan, S. Charavarty, and Ray. T Chen, “one-dimensional photonics crystal slot waveguide for sililicon organic hybrid electro-optic modulators,” Proc. SPIE, 10109, 1010900-1010900-7, 2017.

Zhoufeng Ying, Zheng Wang, Shounak Dhar, Zheng Zhao, David Z. Pan, and Ray T. Chen, “On-chip microring resonator based electro-optic full adder for optical computing,” CLEO, paper JW2A.147, 2017.

Zheng Wang, Chao Liu, Erwen Li, Swapnajit Chakravarty, Alan X. Wang, D.L. Fan, and Ray T. Chen,”Models and Raman analysis of molecules nanofilms conjugated on photonics crystal slabs,” Proc. SPIE, paper 100770G, 2017.

Zheng Wang, Zhoufeng Ying, Shounak Dhar, Zheng Zhao, David Z. Pan, and Ray T. Chen, “Optical switches based carry-ripple adder for future high-speed and low-power consumption optical computing,” CLEO, paper STh1N.2, 2017.

Xiaochuan Xu, Zeyu Pan, Baohua Xu, Yaguo Wang and Ray T. Chen, “All-optical switch with 1 ps response time enabled by graphene oxide infiltrated subwavelength grating waveguide,” Proc. SPIE, paper 1010805, 2017.

Elham Heidari, Xiaochuan Xu, Lijun Huang, Naimei Tang, and Ray T. Chen, “Ultrasensitive Spectroscopy Based on Integrated Photonic Waveguides on Al2O3/ SiO2 Platform,” CLEO, pp.ATu4A.7, 2017.

2016

Zheng Wang, Hai Yan, Swapnajit Chakravarty, D. L. Fan, and Ray T. Chen, “Coupled photonics crystal microcavities for high-Q sensing,” CLEO, JTh2A.112, 2016.   

Peter  M. Grubb, Fazel Bidoky, Ankit Mahajan, Harish Subbaraman, Li Wentao, Daniel Frisbie, and Ray T. Chen, “X-band printed phased array antennas using high-performance CNT/Ion Gel/Ag transistors”, Proc. SPIE, paper 973813, 2016.    

C.-J. Chung, H. Subbaraman, X. Zhang, H. Yan, J. Luo, A. K. Y. Jen, R. L. Nelson, C. Y. C. Lee, and R. T. Chen, "Towards a fully packaged high-performance RF sensor featuring slotted photonic crystal waveguides," in Photonics West (SPIE, 2016), p. 97471V.

Hai Yan, Xiaochuan Xu, Chi-Jui Chuang, Harish Subbaraman, Zeyu Pan, Swapnajit Chakravarty, and Ray T. Chen, “Silicon-organic hybrid electro-optic modulator based on one-dimensional photonics crystal slot waveguides,” CLEO, SF1E.6, 2016.

Zheng Wang, Xiaochuan Xu, D. L. Fan, Yaguo Wang, and Ray T. Chen, “Low-loss subwavelength grating waveguide bends based on index engineering,” CLEO, STh3E.1. 2016.

Zheng Wang, Xiaochuan Xu, D. L. Fan, Yaguo Wang, and Ray T. Chen, “Trapezoidal shape subwavelength grating waveguide based high quality factor micro-ring resonator,” CLEO, STu1E.5, 2016.

Z. Wang, X. Xu, D. L. Fan, Y. Wang, R. T. Chen, "Low-loss curved subwavelength grating waveguide based on index engineering," in OPTO (Photonics West), 975318, 2016.

Z. Wang, X. Xu, D. L. Fan, Y. Wang, R. T. Chen, "High quality factor trapezoid subwavelength grating waveguide micro-ring resonator, " in OPTO (Photonics West), vol.9753, 2016.

C.-J. Chung, H. Subbaraman, J. Luo, A. K. Y. Jen, R. L. Nelson, C. Y. C. Lee, R. T. Chen, "Fully packaged high-performance RF sensor featuring slotted photonic crystal waveguides in silicon-on-sapphire, " in OPTO (Photonics West), vol.9747, 2016.

Y. Zou, S. Chakravarty, C.-J. Chung, R. T. Chen, "Miniature mid-infrared thermo-optic switch with photonic crystal waveguide-based silicon-on-sapphire Mach-Zehnder interferometers, " in OPTO (Photonics West), vol.9753, 2016.

H. Yan, N. Tang, S. Chakravarty, R. T. Chen, " High-sensitivity high-throughput chip based biosensor array for multiplexed detection of heavy metals, " in BiOS (Photonics West), vol.9725,2016.

S. Chakravarty, Ray T. Chen, N. Tang, Y. Zou, W.-C. Lai, H. Yan, C.-J. Yang, "Silicon chip integrated photonic sensors for biological and chemical sensing, " in BiOS (Photonics West), vol.9705, 2016.

X. Zhang, C.-j. Chung, H. Subbaraman, Z. Pan, C.-T. Chen, and R. T. Chen, "Design of a plasmonic-organic hybrid slot waveguide integrated with a bowtie-antenna for terahertz wave detection," in Photonics West, (SPIE, 2016), Paper No. 975614-975614-975618.

X. Zhang, S. Chakravarty, C.-J. Chung, Z. Pan, H. Yan, and R. T. Chen, "Microheater-integrated silicon coupled photonic crystal microcavities for low-power thermo-optic switching over a wide spectrum," in Photonics West, (SPIE, 2016), Paper No. 975214-975214-975210.

Z. Pan, H. Subbaraman, C. Zhang, Q. Li, X. Xu, X. Chen, X. Zhang, Y. Zou, A. Panday, L. J. Guo, and R. T. Chen, "RF beam transmission of x-band PAA system utilizing large-area, polymer-based true-time-delay module developed using imprinting and inkjet printing," in Photonics West, (SPIE, 2016), Paper No. 97471T-97471T-97477.

H. Subbaraman, Z. Pan, C. Zhang, Q. Li, L. J. Guo, and R. T. Chen, "Printed polymer photonic devices for optical interconnect systems," in Photonics West, (SPIE, 2016), Paper No. 97530Y-97530Y-97510.

2015

X. Xu, H. subbaraman, S. Chakravarty, and R. T. Chen, "Bending Behavior of Flexible Crystalline Silicon Nanomembrane Photonic Crystal Microcavities," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper SF2H.3.

Y. Zou, P. Wray, S. Chakravarty, and R. T. Chen, "Silicon on Sapphire Chip Based Photonic Crystal Waveguides for Detection of Chemical Warfare Simulants and Volatile Organic Compound," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper AF2J.1.

X. Zhang, H. subbaraman, Z. Pan, C. Chung, A. Hosseini, and R. T. Chen, "Low-loss Mode Converter for Silicon-Polymer Hybrid Slot Photonic Crystal Waveguide," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper SF2H.6.

X. Zhang, S. Chakravarty, C. Chung, Z. Pan, and R. T. Chen, "Wide-spectrum-range Power-efficient Compact Thermo-optic Switch Based on Coupled Photonic Crystal Microcavities," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper JTh2A.45.

X. Zhang, A. Hosseini, H. subbaraman, J. Luo, A. K. Jen, C. Chung, R. Nelson, and R. T. Chen, "High-speed Energy-efficient Silicon-polymer Hybrid Integrated Slot Photonic Crystal Waveguide Modulator," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper SW3N.1.

C. Yang, N. Tang, H. Yan, S. Chakravarty, D. Li, and R. T. Chen, "193nm Lithography Fabricated High Sensitivity Photonic Crystal Microcavity Biosensors for Plasma Protein Detection in Patients with Pancreatic Cancer," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper STu4K.5.

H. Yan, C. Yang, Y. Zou, N. Tang, S. Chakravarty, and R. T. Chen, "Wide Dynamic Range Specific Detection of Therapeutic Drugs by Photonic Crystal Microcavity Arrays," inCLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper STu4K.2.

Y. Zou, P. Wray, S. Chakravarty, and R. T. Chen, "Experimental Demonstration of Mid-Infrared Holey and Slotted Photonic Crystal Waveguides in Silicon on Sapphire," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper STu4I.3.

Y. Zou, K. Vijayraghavan, P. Wray, S. Chakravarty, M. A. Belkin, and R. T. Chen, "Monolithically Integrated Quantum Cascade Lasers, Detectors and Dielectric Waveguides at 9.5?m for Far-Infrared Lab-on-Chip Chemical Sensing," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper STu4I.2.

Z. Wang, C. Liu, S. Chakravarty, D. L. Fan, A. X. Wang, and R. T. Chen, "Universal Enhancement of Raman Scattering Sensing by Plasmonic Nanotubes Coupled with Photonic Crystal Slab," in CLEO: 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper SM3O.3.

X. Zhang, S. Chakravarty, C. Chung, Z. Pan, H. Yan, and R. T. Chen, "Coupled Photonic Crystal Microcavities for Optical Switching over Wide Spectral Range," IEEE Optical Interconnects Conference, WC6 (2015)

X. Zhang, A. Hosseini, H. Subbaraman, J. Luo, A. Jen, C. Chung, H. Yan, Z. Pan, R. Nelson, and R. T. Chen, "Backside-gate-assisted Broadband Modulation on Silicon-polymer Hybrid Photonic Crystal Waveguid," IEEE Optical Interconnects Conference, WC7 (2015)

C. Yang ; H. Yan ; Y. Zou ; S. Chakravarty ; N. Tang ; Z. Wang ; R. T. Chen, “Wide dynamic range sensing in photonic crystal microcavity biosensors”, Proc. SPIE 9317, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XV, 931713 (March 23, 2015)

 

Z. Pan, H. Subbaraman, C. Zhang, A. Panday, Q. Li, X. Zhang, Y. Zou, X. Xu, L. Guo, R. T. Chen "Reconfigurable thermo-optic polymer switch based true-time-delay network utilizing imprinting and inkjet printing", Proc. SPIE 9362, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VIII, 936214 (March 14, 2015)

 

Z. Wang ; H. Yan ; Z. Wang ; Y. Zou ; C. Yang ; S. Chakravarty ; H. Subbaraman ; N. Tang ; X. Xu ; D. L. Fan ; A. X. Wang ; R. T. Chen “Ultralow-loss waveguide crossings for the integration of microfluidics and optical waveguide sensors”, Proc. SPIE 9320, Microfluidics, BioMEMS, and Medical Microsystems XIII, 932012 (March 13, 2015)

 

X. Zhang, A. Hosseini, H. Subbaraman, S. Wang, Q. Zhan, J. Luo, A. Jen, C. Chung, H. Yan, Z. Pan, R. Nelson, C. Lee, Ray T. Chen, "Antenna-coupled silicon-organic hybrid integrated photonic crystal modulator for broadband electromagnetic wave detection", Proc. SPIE 9362, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VIII, 93620O (March 14, 2015)  (Best Student Paper Award).

 

 

X. Zhang, S. Wang, H. Subbaraman, Q. Zhan, Z. Pan, C. Chung, H. Yan, R. T. Chen, “Integrated broadband bowtie antenna on transparent substrate,” Proc. SPIE. 9362, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VIII, 93620P. (March 14, 2015).

 

X. Zhang, H. Subbaraman, A. Hosseini, Z. Pan, H, Yan, C. Chung, R. T. Chen, “Low-loss mode converter for coupling light into slotted photonic crystal waveguide,” Proc. SPIE. 9368, Optical Interconnects XV, 936807. (March 13, 2015).

 

Z. Pan, H. Subbaraman, Y. Zou, X. Zhang, C. Zhang, Q. Li, L. J. Guo, R. T. Chen, "High optical coupling efficiency quasi-vertical taper for polymer waveguide devices", Proc. SPIE 9368, Optical Interconnects XV, 936808 (March 13, 2015).

 

Y. Zou, S. Chakravarty, X, Xu, R. T. Chen, “Integrated photonic crystal waveguides on silicon-on-sapphire for chemical sensing in mid-infrared,” Proc. SPIE 9367, Silicon Photonics X, 93670T (February 27, 2015).

 

C. Chen, X. Xu, Z. Pan, R. T. Chen, "High efficiency silicon strip waveguide to plasmonic slot waveguide mode converter," in Photonics West, Photonic integration: Optical Interconnects XV (SPIE, San Francisco, CA 2015), Paper No. OE112-39.

 

P. Shen, X. Xu, Z. Pan, R. T. Chen, "Multiple-input multiple-output based high density on-chip optical interconnect," in Photonics West, Photonic integration: Optical Interconnects XV (SPIE, San Francisco, CA 2015), Paper No. OE112-41.

 

X. Zhang, A. Hosseini, H. Subbaraman, J. Luo, A. Jen, C. Chung, H. Yan, Z. Pan, R. Nelson, R. T. Chen, “Broadband energy-efficient optical modulation by hybrid integration of silicon nanophotonics and organic electro-optic polymer,” in Photonics West, Photonic integration: Optical Interconnects XV (SPIE, San Francisco, CA 2015), Paper No. 9368-20.

 

2014

R. T. Chen, X. Zhang, "Silicon nanomembrane based Devices for Optical Sensing and On-chip Interconnects", Frontiers in Optics 2014, Tucson, Arizona, USA, October 19-23, 2014, Abstract ID: FW1B.2 (Invited talk).

X. Zhang, A. Hosseini, H. Subbaraman, J. Luo, A. Jen, R. Nelson, R. T. Chen, "Broadband Low-power Optical Modulator Based on Electro-optic Polymer Infiltrated Silicon Slot Photonic Crystal Waveguide" Frontiers in Optics 2014, Tucson, Arizona, USA, October 19-23, 2014, Abstract ID: FTu1D.4.

X. Zhang, A. Hosseini, H. Subbaraman, S. Wang, Q. Zhan, J. Luo, A. K.-Y Jen, R. T. Chen, "Electric Field Detection Using an Electro-optic Polymer Refilled Silicon Slot Photonic Crystal Waveguide", Frontiers in Optics 2014, Tucson, Arizona, USA, October 19-23, 2014, Abstract ID: FW5B.4.

X. Zhang, A. Hosseini, J. Luo, A. K.-Y Jen, R. T. Chen, "Miniaturized low-power electro-optic modulator based on silicon integrated nanophotonics and organic polymers", SPIE Optics + Photonics 2014, San Diego, California, USA, August 17-23, 2014, Paper ID: 9181-40 (Best Student Paper Award).

X. Zhang, A. Hosseini, H. Subbaraman, S. Wang, Q. Zhan, J. Luo, A. K.-Y Jen, R. T. Chen, "Electro-optic Polymer Infiltrated Silicon Slot Photonic Crystal Waveguide for Broadband Electromagnetic Field Sensing", Integrated Photonics Research, Silicon and Nanophotonics 2014, San Diego, California, USA, July 13-17, 2014, Paper ID: IW2A.3.

X. Zhang, A. Hosseini, H. Subbaraman, J. Luo, A. Jen, R. Nelson, R. T. Chen, "High-performance Optical Modulator Based on Electro-optic Polymer Infiltrated Silicon Slot Photonic Crystal Waveguide", Integrated Photonics Research, Silicon and Nanophotonics 2014, San Diego, California, USA, July 13-17, 2014, Paper ID: IW2A.2.

Y. Zhang, A. Hosseini, X. Xu, D. Kwong , and R. T. Chen “Multimode Interference Based Ultra-Low Loss Silicon Waveguide Crossing” Optical Interconnects Conference, 2014 IEEE , vol., no., pp.137,138, 4-7 May (2014).

R. F. Firoozi, Z. Pan, H. Subbaraman, R. T. Chen, "Design and Simulate Electro-Optic (EO) Polymer Logic Device," Undergraduate Research Conference, Austin, Texas 2014.

X. Zhang, H. Subbaraman, A. Hosseini, R. Chen,"Optimization of Highly Efficient Mode Converter for Coupling Light into Large-slot Photonic Crystal Waveguide," in IEEE Photonics Society Optical Interconnects Conference 2014, pp.51-52.

X. Zhang, A. Hosseini, J. Luo, A. Jen, R. Chen,"Ultraperformance Nanophotonic Modulator Based On Silicon Organic Hybrid Technology," in IEEE Photonics Society Optical Interconnects Conference 2014, pp.29-30.

Y. Zhang, X. Xu, D. Kwong, J. Covey, A. Hosseini, R. T. Chen, "Vertically Integrated Optical Clock on Adhesively Bonded Silicon Nanomembrane," in IEEE Photonics Society Optical Interconnects Conference 2014, pp.33-34.

S. Chakravarty, N. Tang, H. Yan, C. Yang, Y. Zou, R. Gemmill, Q. Shen, R. Chen, "Photonic Crystal Microarray Sensing of Cancer Cell Line Lysates," AACR Annual Meeting, 2014:5317.

N. Tang, C. Zhang, C. Noraian, A. Wali, H. Pass, M. Harbut, X. Zhang, "The Effect of Hoechst 33342 and Hoechst 33258 on SidePopulation (SP) Cells or Stem Cell-Like Population," AACR Annual Meeting, 2014:1921.

Z. Wang, S. Chakravarty, H. Subbaraman, X. Xu, D. Fan, A. Wang, and R. Chen, "Micro-fluid Channel Based on Ultralow-loss Silicon Crossing Waveguide for Various Sensing," in CLEO: 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper ATu2P.5.

Y. Zhang, X. Xu, D. Kwong, J. Covey, A. Hosseini, R. T. Chen, "1-to-32 H-tree Optical Distribution on Adhesively Bonded Silicon Nanomembrane," in CLEO: 2014, OSA Technical Digest (Optical Society of America, 2014), paper SM3M.6.

Z. Pan, H. Subbaraman, X. Lin, Q. Li, C. Zhang, T. Ling, L. Guo, R. Chen, "Reconfigurable Thermo-Optic Polymer Switch Based True-Time-Delay Network Utilizing Imprinting and Inkjet Printing," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID SM4G.4.

Y. Zou, S. Chakravarty, W. Lai, R. Chen, "Silicon Chip Based Near-Infrared and Mid-Infrared Optical Spectroscopy for Volatile Organic Compound Sensing," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID STh3M.6.

C. Yang, Y Zou, S. Chakravarty, H. Yan, Z. Wang, R. Chen, "Wide Dynamic Range Sensing in Photonic Crystal Microcavity Biosensors," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID STh4H.5.

P. Wray, Y. Zou, S. Chakravarty, R. Chen, "Silicon on Sapphire Chip Based Mid-Infrared Optical Spectroscopy for Detection of Chemical Warfare Simulant Triethyl phosphate, " in CLEO: 2014 (Optical Society of America, 2014), Abstract ID AW1P.2.

H. Yan, Y. Zou, C. Yang, Z. Wang, N. Tang, S. Chakravarty, R. Chen, "Photonic Crystal (PC) Waveguide Based Optical Filters for Dense Integration of High Sensitivity PC Biosensors,"  in CLEO: 2014 (Optical Society of America, 2014), Abstract ID JTu4A.94.

X. Xu, H. Subbaraman, A. Hosseini, S. Chakravarty, R. Chen, "Flexible Crystalline Silicon Nanomembrane Photonic Crystal Microcavity," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID SW1M.6.

X. Zhang, A. Hosseini, J. Luo, A. Jen, R. Chen, "Ultralow Power Consumption of 1.5nW Over Wide Optical Spectrum Range in Silicon Organic Hybrid Modulator," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID SM2G.4.

X. Zhang, A. Hosseini, H. Subbaraman, S. Wang, Q. Zhan, J. Luo, A. Jen, R. Chen, "Wideband Electromagnetic Wave Sensing Using Electro-optic Polymer Infiltrated Silicon Slot Photonic Crystal Waveguide," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID SM2M.5.

Z. Wang, S. Chakravarty, H. Subbaraman, X. Xu, D. Fan, A. Wang, R. Chen, "Micro-fluid Channel Based on Ultralow-loss Silicon Crossing Waveguide for Various Sensing," in CLEO: 2014 (Optical Society of America, 2014), Abstract ID ATu2P.5.

X. Xu, H. Subbaraman, S. Chakravarty, R. Chen, "High-performance conformal sensors employing single-crystal silicon nanomembranes," Proc. SPIE 8990, Silicon Photonics IX, 89900U (March 8, 2014).

S. Chakravarty, H. Subbaraman, Y. Zou, W. Lai, R. Chen, "Methods to array photonic crystal microcavities for high throughput high sensitivity biosensing on a silicon-chip based platform," Proc. SPIE 8990, Silicon Photonics IX, 89900S (March 8, 2014).

Y. Zou, H. Subbaraman, S. Chakravarty, X. Xu, A. Hosseini, W. Lai, R. Chen, "Integrated strip and slot waveguides in silicon-on-sapphire for Mid-Infrared VOC detection in Water" Proc. SPIE 8990, Silicon Photonics IX, 89900X (March 8, 2014).

W. Lai, Y. Zou, S. Chakravarty, L. Zhua, R. Chen, "Comparative sensitivity analysis of integrated optical waveguides for near-infrared volatile organic compounds with 1ppb detection" Proc. SPIE 8990, Silicon Photonics IX, 89900Z (March 8, 2014).

J. Covey, R. Chen, "Surface normal coupling to multiple-slot and cover-slotted silicon nanocrystalline waveguides and ring resonators,"  Proc. SPIE 8991, Optical Interconnects XIV, 89911A (March 8, 2014).

X. Zhang, A. Hosseini, J. Luo, A. Jen, R. T. Chen, "Hybrid silicon-electro-optic-polymer integrated high-performance optical modulator, " Proc. SPIE 8991, Optical Interconnects XIV, 89910O (March 8, 2014).

H. Subbaraman, X. Lin, Z. Pan, R. T. Chen, “Towards roll-to-roll manufacturing of polymer photonic devices ,” SPIE OPTO, Optical Interconnects XIV: Manufacturing Technologies, 8991-40, San Francisco, CA, Feb 5 (2014).

H. Subbaraman, X. Xu, R. T. Chen, “Silicon nanomembrane based compact truetime-delay module on unconventional substrates,” SPIE OPTO, Silicon Photonics IX: Waveguides III , 8990-16, San Francisco, CA, Feb 3 (2014).

A. Hosseini, Y. Zhang, R. Chen, "Ultra-low loss and compact coplanar waveguide crossing," Proc. SPIE 8991, Optical Interconnects XIV, 89910X (March 8, 2014).

2013

H. Subbaraman, X. Lin, T. Ling, X. Zhang, L. Guo, and R. Chen, "Printable EO Polymer Modulators," in CLEO: 2013, OSA Technical Digest (Optical Society of America, 2013), paper CW1O.2.

X. Xu, H. Subbaraman, A. Hosseini, and R. Chen, "Silicon Nanomembrane Based Photonic Devices on Foreign Substrates," in CLEO: 2013, OSA Technical Diges (Optical Society of America, 2013), paper CTh1J.2.

X. Xu, H. Subbaraman, D. Kwong, J. Covey, A. Hosseini, and R. Chen, "Colorless Grating Couplers Realized by Interleaving Dispersion Engineered Subwavelength Structures," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTh4F.7.

W. Lai, S. Chakravarty, and R. Chen, "Photonic Crystal Chemical Absorption Spectroscopy for Multiplexed Detection of Xylene and TCE in Water," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper JW2A.78.

C. Hsieh, S. Chakravarty, Y. Zou, L. Zhu, and R. T. Chen, "High Sensitivity Biosensing Based on Symmetric Coupled Cavity Structure of Photonic Crystal Microcavities," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CM2H.8.

L. Zhu, S. Chakravarty, C. Hsieh, W. Lai, and R. T. Chen, "Slow Light Waveguide and Enhanced Area Microcavity Engineering for High Sensitivity Photonic Crystal Sensors," in CLEO: 2013, (Optical Society of America, 2013), paper JTu4A.103.

Xingyu Zhang, A. Hosseini, C. Lin, J. Luo, A. K. Jen, and R. T. Chen, "Demonstration of Effective In-device r33 over 1000 pmV in Electro-optic Polymer Refilled Silicon Slot Photonic Crystal Waveguide Modulator," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTu2F.6.

Yang Zhang, Amir Hosseini, David Kwong, Sang Yang, Xiaochuan Xu, and Ray T. Chen, “Inter-layer grating coupler on double-layer silicon nanomembranes,” IEEE Optical Interconnects Conference, paper MD5, 2013

David Kwong, John Covey, Amir Hosseini, Yang Zhang, Xiaochuan Xu, and Ray T. Chen, “Steerable Free Space Optical Interconnect with Corrugated Waveguide Gratings Optically Isolated by 2D Photonic Crystal,” IEEE Optical Interconnects Conference, paper TuD4, 2013

B. Kwangsub, et al., "A µm channel, ink-jet printed CNT-TFT for phased array antenna applications," in Wireless and Microwave Circuits and Systems (WMCS), 2013 Texas Symposium on, 2013, pp. 1-3.

Xiaohui Lin, Amir Hosseini, Xinyuan Dou, Harish Subbaraman, Ray T. Chen, “Intra- and Inter- Board Optical Interconnects by Polymeric Waveguides and mirror Coupler with Inkjet-printed Micro-lenses,” IEEE Optical Interconnects Conference, paper TuD2, 2013

Harish Subbaraman, Xiaochuan Xu, and Ray T. Chen, “Silicon nanomembrane based photonic crystal waveguide true-time-delay lines on a glass substrate,” SPIE OPTO, Silicon Photonics VIII, 8629-49, San Francisco, CA, Feb 2-7, 8629-49 (2013)

JaeHyun Ahn, Harish Subbaraman, Swapnajit Chakravarty, Emanuel Tutuc, and Ray T. Chen, "2D silicon-based surface normal vertical cavity photonic crystal waveguide array for high-density optical interconnects," SPIE OPTO, Optoelectronic Interconnects XIII, 8630-48, San Francisco, CA, Feb 2-7, 8630-12 (2013)

Xiaohui Lin, Tao Ling, Harish Subbaraman, L. Jay Guo, and Ray T. Chen, “Towards high-rate fabrication of photonic devices utilizing a combination of roll-to-roll compatible imprint lithography and ink-jet printing methods,” SPIE MOEMS-MEMS, 8613-53, San Francisco, CA, Feb 2-7, 8613-53 (2013)

Xiaohui Lin,  Amir Hosseini, Xinyuan Dou, Harish Subbaraman, and Ray T. Chen, "Board-to-board optical interconnects using molded polymer waveguide with 45-degree mirrors and inkjet-printed micro-lenses as proximity vertical coupler," SPIE OPTO, Optoelectronic Interconnects XIII, 8630-48, San Francisco, CA, Feb 2-7, 8630-9 (2013)

John Covey and Ray T. Chen, "Efficient Surface Normal Multi-Stage Grating Couplers in Silicon Based Waveguides," IEEE Optical Interconnects Conference, paper WD4, 2013

Xingyu Zhang ; Amir Hosseini ; Xiaochuan Xu ; Shiyi Wang ; Qiwen Zhan ; Yi Zou ; Swapnajit Chakravarty ; Ray T. Chen; “Electric field sensor based on electro-optic polymer refilled silicon slot photonic crystal waveguide coupled with bowtie antenna,” Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 862418 (March 27, 2013).

Wei-Cheng Lai ; Swapnajit Chakravarty ; Yi Zou ; Ray T. Chen; “Multiplexed selective detection and identification of TCE and xylene in water by on-chip absorption spectroscopy,” Proc. SPIE 8627, Integrated Optics: Devices, Materials, and Technologies XVII, 86270K (March 6, 2013);

Yi Zou ; Swapnajit Chakravarty ; Wei-Cheng Lai ; Cheng-Chih Hsieh ; Ray T. Chen; “High yield silicon photonic crystal microcavity biosensors with 100fM detection limit,” Proc. SPIE 8570, Frontiers in Biological Detection: From Nanosensors to Systems V, 857008 (March 5, 2013);

Yang Zhang ; David Kwong ; Xiaochuan Xu ; Amir Hosseini ; Sang Y. Yang ; John A. Rogers ; Ray T. Chen; “Vertically integrated double-layer on-chip crystalline silicon nanomembranes based on adhesive bonding,” Proc. SPIE 8630, Optoelectronic Interconnects XIII, 863019 (February 27, 2013);

Harish Subbaraman ; Xiaochuan Xu ; John Covey ; Ray T. Chen; “Subwavelength grating couplers for efficient light coupling into silicon nanomembrane based photonic devices,” Proc. SPIE 8630, Optoelectronic Interconnects XIII, 86301C (February 27, 2013);

Xiaohui Lin ; Tao Ling ; Harish Subbaraman ; L. Jay Guo and Ray T. Chen, " Towards high-rate fabrication of photonic devices utilizing a combination of roll-to-roll compatible imprint lithography and ink jet printing methods ", Proc. SPIE 8613, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VI, 86131H (March 5, 2013);

Xiaohui Lin ; Amir Hosseini ; Xinyuan Dou ; Harish Subbaraman and Ray T. Chen, " Board-to-board optical interconnects utilizing molded embedded 45 degree mirrors and print-on-demand micro-lenses as proximity vertical coupler ", Proc. SPIE 8630, Optoelectronic Interconnects XIII, 86300A (February 27, 2013);

David Kwong ; Amir Hosseini ; John Covey ; Yang Zhang ; Xiaochuan Xu ; Ray T. Chen; “Low loss polycrystalline silicon waveguides and devices for multilayer on-chip optical interconnects,” Proc. SPIE 8630, Optoelectronic Interconnects XIII, 863012 (February 27, 2013);

Swapnajit Chakravarty ; Wei-Cheng Lai ; Yi Zou ; Robert M. Gemmill ; Ray T. Chen; “Silicon photonic crystal microarrays for high throughput label-free detection of lung cancer cell line lysates with sensitivity and specificity,”. Proc. SPIE 8570, Frontiers in Biological Detection: From Nanosensors to Systems V, 857005 (March 5, 2013);

2012

Harish Subbaraman, Ananth Dodabalapur, L. Jay Guo, and Ray T. Chen, “Metrology and instrumentation challenges with high-rate, roll-to-roll manufacturing of flexible electronic systems,” Proc. SPIE 8466, Instrumentation, Metrology, and Standards for Nanomanufacturing, Optics, and Semiconductors VI, 846603 (October 11, 2012)

Xiaochuan Xu, Harish Subbaraman, John Covey, David Kwong, Amir Hosseini, and Ray T. Chen, "CMOS compatible subwavelength grating couplers for silicon integrated photonics," Photonics Conference (IPC), 2012 IEEE, vol., no., pp.350-351, 23-27 Sept. 2012 

Yi Zou; Chakravarty, S.; Wei-Cheng Lai; Chen, R.T., "Experimental detection of 1pico-molar concentration from high-Q photonic crystal microcavity biosensors," Photonics Conference (IPC), 2012 IEEE , vol., no., pp.149,150, 23-27 Sept. 2012

Xiaochuan Xu; Hosseini, A.; Subbaraman, H.; Che-Yun Lin; Rahimi, S.; Chen, R.T., "Extremely low Vπ×L slow light photonic crystal modulator with GHz bandwidth," Optical Interconnects Conference, 2012 IEEE , vol., no., pp.133,134, 20-23 May 2012

Che-Yun Lin ; Liang Zhu ; Harish Subbaraman ; Amir Hosseini ; Alan X. Wang ; Ray T. Chen; “Si photonic crystal waveguide based delay lines,” Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 85640P (November 20, 2012);

W. Lai, S. Chakravarty, Y. Zou, and R. T. Chen, "Loss Engineered High Sensitivity Photonic Crystal Microcavities for Multiplexed Detection of Biomolecules," in Frontiers in Optics Conference, OSA Technical Digest (online) (Optical Society of America, 2012), paper FM3H.5. 

Che-Yun Lin, Alan X. Wang, Xingyu Zhang, Beomsuk Lee, Ray T. Chen, “EO-polymer waveguide based high dynamic range EM wave sensors”, SPIE Photonics West, Proc. SPIE 8258, 82580Y, 2012

Wei-Cheng Lai, Swapnajit Chakravarty, Yi Zou, Harry A. Drabkin, Robert M. Gemmill, George R. Simon, Steve H. Chin and Ray T. Chen, Silicon Photonic Crystal Microcavity Biosensors for Label Free Highly Sensitive and Specific Lung Cancer Detection, IEEE Photonics, 2012

Harish Subbaraman, Xiaochuan Xu, Nassibe Rahimi, Amir Hosseini and Ray T. Chen, "Silicon nanomembranes for high performance flexible photonic interconnects and devices," in Optoelectronic Interconnects XII, SPIE OPTO, Proc. SPIE 8267, 82670H 21-26 January 2012, San Francisco, California United States 8267-15 (2012)

C.-Y. Lin, A. Hosseini, H. Subbaraman, Z. Xue, A. Wang, R. T. Chen, “Wavelength-Tunable on-Chip True Time Delay Lines Based on Photonic Crystal Waveguides for X-Band Phased Array Antenna Applications,” CLEO 2012 Proceedings of the Conference on Lasers and Electro-Optics CTu3I.7 (2012)

X. Xu, H. Subbaraman, A. Hosseini, D. N. Kwong, C.-Y. Lin, R. T. Chen, “Stamp Printing of Silicon Nanomembrane Based Flexible Photonic Devices,” CLEO 2012 Proceedings of the Conference on Lasers and Electro-Optics CM4A.7 (2012)

Y. Zhang, A. Carlson, S. Y. Yang, A. Hosseini, D. Kwong, J. Rogers, R. T. Chen, “Double-layer Photonic Devices Based on Transfer Printing of Silicon Nanomembranes for Three-dimensional Photonics,”CLEO 2012 Proceedings of the Conference on Lasers and Electro-Optics CTu1A.5 (2012)

D. N. Kwong, J. Covey, A. Hosseini, Y. Zhang, R. T. Chen, “Feasibility of Multimode Polycrystalline Waveguides/Devices: Record Low Propagation Loss and Uniform 1x12 MMI Fanout,” CLEO 2012 Proceedings of the Conference on Lasers and Electro-Optics CM3A.2 (2012)

Xingyu Zhang, B. Lee, C.-Y. Lin, A. Wang, A. Hosseini, R. T. Chen, “Highly Linear Electro-optic Polymer Based Traveling Wave MMI-fed Directional Coupler Modulator,” CLEO 2012 Proceedings of the Conference on Lasers and Electro-Optics CF1A.6 (2012)

X. Xu, A. Hosseini (joint first author), H Subbaraman, C.-Y. Lin, S. Rahimi, and R. T. Chen, “Extremely Low Vp×L Slow Light Photonic Crystal Modulator with GHz Bandwidth,” IEEE Optical Interconnects Conference, paper WC5, 2012

X. Lin, X. Dou, A. Hosseini, A. X. Wang, and R. T. Chen, “Manufacturing of Board Level Waveguide Bus Using Hard Mold,” IEEE Optical Interconnects Conference, paper WD2, 2012

Y. Zhang, A. Hosseini, J. Ahn, D. N. Kwong, B. Fallahazad, E. Tutuc, R. T. Chen, “Double-layer 1x12 Multimode Interference Coupler for Three-dimensional Photonic Integration,” IEEE Optical Interconnects Conference, paper TuD4, 2012

Xiaohui Lin, Xinyuan Dou, Alan X. Wang and Ray T. Chen, "Polymer optical waveguide-based bi-directional optical bus architecture for high-speed optical backplane", Proc. SPIE 8267, 826709 (2012);

Xingyu Zhang, B. Lee, C.-Y. Lin, A. X. Wang, A. Hosseini, X. Lin, and R. T. Chen, ”Improved performance of traveling wave directional coupler modulator based on electro-optic polymer,” SPIE Photonics West, Proc. SPIE 8267, 82671B, 2012

Swapnajit Chakravarty, Wei-Cheng Lai, Yi Zou and Ray T. Chen, "Photonic crystal microcavity engineering and high-density bio-patterning for chip-integrated microarray applications", Proc. SPIE 8212, 82120A (2012);

Swapnajit Chakravarty, Wei-Cheng Lai, Yi Zou and Ray T. Chen, "On-chip sensing of volatile organic compounds in water by hybrid polymer and silicon photonic-crystal slot-waveguide devices", Proc. SPIE 8258, 825815 (2012);

2011

A. Hosseini, B. FallahAzad, D. Kwong, E. Tutuc, and R. T. Chen, “A Platform for Three-dimensional On-chip Photonics,” OSA CLEO:2011 - Laser Applications to Photonic Application, paper CThHH5, 2011

A. Hosseini, XiaochuanXu, D. Kwong, H. Subbaraman, and R. T. Chen, “On the Mechanism of Efficient Coupling into Slow Light Photonic Crystal Waveguides,” OSA Quantum Electronics and Laser Science Conference (QELS), paper JTuI4, 2011

H. Subbaraman, A. Hosseini, , XiaochuanXu, Y. Zhang, and R. T. Chen, “Design of a Novel, Cost-Effective Wide Field-Of-View Surface-Normal Optical Phased Array,” OSA CLEO:2011 - Laser Applications to Photonic Applications, paper CFJ5, 2011

S. Chakravarty and R. T. Chen, "Photonic Crystal Slot Waveguide Spectroscopy for the Detection of Chemical Warfare Simulants," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CThC4. 

(Invited) A. Hosseini, D. N. Kwong, Y. Zhang, and R. T. Chen, “Large Angle Beam Steering on Silicon Nanomembrane,” IEEE Winter Topicals (WTM), 2011 IEEE , vol., no., pp.111-112, 2011

Daniel Pham, Harish Subbaraman, Maggie Yihong Chen, Xiaochuan Xu, Ray T. Chen, "Phase shifter using carbon nanotube thin-film transistor for flexible phased-array antenna," Proc. of SPIE Vol 7936, 793604 (2011)

Amir Hosseini and Ray T. Chen, "Far-field approximation in two-dimensional slab-waveguides", Proc. SPIE 7943, 79430N (2011)

Xiaochuan Xu, Harish Subbaraman, Daniel Pham, Amir Hosseini, Xiaohui Lin, and Ray T. Chen, "Transfer and characterization of silicon nanomembrane based photonic devices on flexible polyimide substrate," Proc. of SPIE Vol. 7944, 79440F (2011)

David N. Kwong, Yang Zhang, Amir Hosseini and Ray T. Chen, "Integrated optical phased array-based large angle beam steering system fabricated on silicon-on-insulator", Proc. SPIE 7943, 79430Y (2011);

Xiaochuan Xu, Harish Subbaraman, Daniel T. Pham, Amir Hosseini, Afshin Ghaffari, and Ray T. Chen, "Flexible In-plane Photonic Devices Based on Transferrable Si Nanomembranes on Polyimide Film," 3rd International Photonics & OptoElectronics Meetings (POEM 2010) Journal of Physics: Conference Series 276, 012096 (2011) 

Wei-Cheng Lai, Kathryn Moncivais, Swapnajit Chakravarty, Xiaolong Wang, Che-Yun Lin, Zhiwen J. Zhang, RayT. Chen, “ High Density Ink Jet Printing of Bio-molecules for Photonic Crystal-based Microarray Applications,” Optical Sensors Topical Meeting, Toronto, Canada, 1084519 (2011).

Swapnajit Chakravarty, Wei-Cheng Lai, Xiaolong Wang, Che-Yun Lin, and Ray T. Chen, "Photonic crystal slot waveguide Spectrometer for detection of Methane," Oral Presentation at SPIE Photonics West, San Francisco, CA, Proc. of the SPIE 7941, 79410K (2011).

Swapnajit Chakravarty, Wei-Cheng Lai, Xiaolong Wang, Che-Yun Lin, Ray T. Chen, , “Photonic crystal slot waveguide optical absorption spectrometer for high-sensitivity near-infrared detection of xylene in water”, Oral Presentation at SPIE Defense, Security and Sensing, Orlando, FL, CA (2011); Proc. of the SPIE 8032, 80320N (2011).

S. Chakravarty, W-C. Lai, K. Moncivais, X. Wang, C-Y. Lin, Z. Zhang, R.T. Chen, “Photonic crystal microarray nano-platform for high-throughput detection of biomolecules for diagnostic assays”, Oral Presentation at SPIE Defense, Security and Sensing, Orlando, FL, CA ; Proc. of the SPIE 8034, 803402 (2011).

Swapnajit Chakravarty, Wei-Cheng Lai, Yi Zou, Cheyun Lin, Xiaolong Wang and Ray T. Chen, "Silicon-nanomembrane-based photonic crystal nanostructures for chip-integrated open sensor systems", Proc. SPIE 8198, 819802 (2011);

Che-Yun Lin, Alan X. Wang, Beomsuk Lee, Wei-Cheng Lai, SwapnajitChakravarty, and Ray T. Chen, "Group velocity independent coupling into slow light photonic crystal waveguide on Silicon Nanophotonic Integrated Circuits,"  Oral Presentation, SPIE Photonics West, San Francisco, CA ; Proc. of the SPIE 7944, 79440K (2011).

2010

Daniel Pham, Harish Subbaraman, Maggie Yihong Chen, Xioachuan Chen, and Ray T. Chen, Phase shifter using carbon nanotube thin-film transistor for flexible phased-array antenna, OPOC conference on RF and Millimeter-Wave Photonics, Abstract acepted for oral presentation on Jan. 2011.

Daniel Pham, Harish Subbaraman, Maggie Yihong Chen, Xiaochuan Xu, and Ray T. Chen, Bending tests of carbon nanotube thin-film transistors on flexible substrate, SPIE 2010 conference on Carbon Nanotubes, graphene, and Associated Devices III, Vol.7761, pg. 7761-25.

A. Hosseini, D. N. Kwong, H. Subbaraman, and Ray T. Chen, Demonstration of Compact 2x2 Multimode Interference coupler on Silicon Nanomembrane, Group IV Photonics GPF 2010, Beijing, P1.25, , 2010

A. Hosseini, D. N. Kwong, and R. T. Chen, On the Design of 1xN Multimode Interference Coupler for Photonic Integrated Circuits, IEEE/LEOS summer Topicals Meeting Series, IEEE , vol., no., pp.195-196, 19-21 July 2010

D. N. Kwong, Yang Zhang, A. Hosseini, Yazhao Liu, and R. T. Chen, Demonstration of Rib Waveguide Based 1x12 Multimode Interference Optical Beam Splitter on Silicon-on-Insulator, IEEE/LEOS summer Topicals Meeting Series, pp.221-222, 19-21 July 2010

A. Hosseini, D. N. Kwong, Yang Zhang, Yazhao Liu, and R. T. Chen, On the Optimum Design for 1xN Multimode Interference Coupler based Beam Splitters, in Integrated Photonics Research, Silicon and Nanophotonics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper JTuB9.

A. Hosseini, J. Covey, and R. T. Chen, Mode Order Converter Using Tapered Multimode Interference Couplers, in Integrated Photonics Research, Silicon and Nanophotonics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper IWB2.

D. N. Kwong, A. Hosseini, C.-Y. Lin, B. S. Lee, Y.-Z. Liu, and R. T. Chen, Silicon-integrated photonic circuit for a single-stage large-angle beam steering optical phased array, Proc. SPIE Vol. 7607, 760713, Feb. 23, 2010, San Francisco, California, USA

Amir Hosseini, David N. Kwong, and R. T. Chen, Analytical formula for output phase of symmetrically excited one-to-N multimode interference coupler, Proc. SPIE Vol. 7607, 760718, Feb. 23, 2010, San Francisco, California, USA

Amir Hosseini, David N. Kwong,  and R. T. Chen, Low-dispersion slow-light in silicon-on-insulator slot photonic crystal waveguide, Proc. SPIE Vol. 7609, 76091A Feb. 23, 2010, San Francisco, California, USA

Amir Hosseini, David N. Kwong, Yazhao Liu, and Ray T. Chen, On the Design of Highly Dispersive Photonic Crystal Waveguides for Optical Delay Lines, IEEE/LEOS Winter Topicals Meeting Series, pp 120-121, 11-13 Jan. 2010, Majorca, Spain

Che-Yun Lin, Beomsuk Lee, Alan X. Wang, Wei-Cheng Lai, Swapnajit Chakravarty, Yazhao Liu, David Kwong, Ray T. Chen, Jingdong Luo, and Alex K. Y. Jen,Ultra-compact silicon nanophotonic modulator based on electro-optic polymer infiltrated slot photonic crystal waveguide, Proc. SPIE Vol. 7607, 76070D (Feb. 23, 2010)

Beomsuk Lee, Che-Yun Lin, Alan X. Wang, Raluca Dinu, and Ray T. Chen, Bias-free Y-branch waveguide modulator based on domain-inversed modulation of electro-optic polymer, Proc. SPIE Vol. 7607, 76070X (Feb. 23, 2010)

Xiaolong Wang, Xinyuan Dou, Xiaohui Lin, and Ray T. Chen,Flexible polymer optical layer for board-level optical interconnects by highly durable metal imprinting method, Proc. SPIE Vol. 7607, 76070R (Feb. 23, 2010)

Xinyuan Dou, Alan Xiaolong Wang, Xiaohui Lin, Haiyu Huang, and Ray T. Chen,Optical bus waveguide metallic hard mold fabrication with opposite 45 degree micro-mirrors, Proc. SPIE Vol. 7607, 76070P (Feb. 23, 2010)

Xinyuan Dou, Xiaolong Wang, Haiyu Huang, Xiaohui Lin, and Ray T. Chen, Fabrication of metallic hard mold for polymeric waveguides with embedded micro-mirrors IEEE LEOS Winter Topical 2010, pp 101-102, 11-13 Jan. 2010, Majorca, Spain

2009

Duo Ding, Yilin Zhang, Haiyu Huang, Ray T. Chen and David Z. Pan,"O-Router: An Optical Routing Framework for Low Power On-Chip Silicon Nano-Photonic Integration", Design Automation Conference (DAC) 2009

Xiaolong Wang, Swapnajit Chakravarty, Boem Suk Lee, Cheyun Lin, Jingdong Luo, Alex K.Y Jen, Ray T. Chen, "Nano-Photonic Electro-Optic Polymer Modulator Based on Photonic Band Gap Engineering," post-deadline paper PDPC4, Integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting, Honolulu, HI, July 12-17, 2009

Amir Hosseini, Yang Zhao, Yun-Sheng Chen, David N. Kwong and Ray T. Chen, Silicon Nano-membranes for Efficient Large Angle Optical Beam Steering, IEEE LEOS Winter Topicals, Innsbruck, Austria, (2009).

Yun-Sheng Chen, Amir Hosseini, Yang Zhao, David N. Kwong and Ray T. Chen, Modified Slab Photonic Crystal Structure for Delay Time Enhancement Using Capsule Shaped Holes, IEEE, OCEE (2009).

Ray T. Chen and Harish Subbaraman, Silicon nano- and micro-photonic devices, Invited paper (OECC, Hong Kong, 13th - 17th July, 2009)

Yun-Sheng Chen, Amir Hosseini, David Kwong, Yang Zhao, Harish Subbaraman, and Ray T. Chen, Modified Slab Photonic Crystal Structure for Delay Time Enhancement     Using Capsule Shaped Holes (OECC, Hong Kong, 13th – 17th July, 2009)

Maggie Yihong Chen, Xuejun Lu, Harish Subbaraman, and Ray T. Chen, Fully printed phased-array antenna for space communications, Proc. SPIE. Vol. 7318, pp. 731814-1 (2009)

Maggie Yihong Chen, Harish Subbaraman, and Ray T. Chen, Dual-concentric-core Photonic Crystal Fiber with -5400ps/nm/km Dispersion Coefficient, in OFC/NFOEC Technical Conference, 24-26 Mar 2009, San Diego (2009)

Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen, Packaging and system demonstration of an X-band phased array antenna utilizing highly dispersive photonic crystal fiber based true-time-delay, in Proc. SPIE, Vol. 7221, pp. 722107-1 (2009)

Xinyuan Dou, Xiaonan Chen, Maggie Yihong Chen, Alan Xiaolong Wang, Wei Jiang, and Ray T. Chen, Packaging consideration of two dimensional polymer-based photonic crystals for laser beam steering, in Proc. SPIE, Vol. 7221, pp. 722104-1 (2009)

Amir Hosseini, David Kwong, and Ray T. Chen, Wide steering angle optical phased array based on silicon nano-membrane, in Proc. SPIE, Vol. 7221, pp. 72210T-1 (2009)

Beomsuk Lee, Cheyun Lin, Xiaolong Wang, Ray T. Chen, Jingdong Luo, and Alex K. Y. Jen, Domain-Inversion-Equivalent EO Polymer based Y-fed Directional Coupler Modulator with High Linearity, in IEEE/LEOS Winter Topical Meeting Series, pp. 73-74, 12-14 Jan 2009, Innsbruck, Austria (2009)

Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen, Spurious-Free Dynamic Range (SFDR) improvement in a true-time-delay system based on highly dispersive photonic crystal fiber, in IEEE/LEOS Winter Topical Meeting Series, pp. 58-59, 12-14 Jan 2009, Innsbruck, Austria (2009)

Xinyuan Dou, Xiaonan Chen, Maggie Yihong Chen, Alan Xiaolong Wang, Wei Jiang, Ray T. Chen, Vertically stacked square lattice photonic crystals for Large Angle Optical Beam Steering, in IEEE/LEOS Winter Topical Meeting Series, pp. 24-25, 12-14 Jan 2009, Innsbruck, Austria (2009)

Amir Hosseini, Yang Zhao, Yun-Sheng Chen, David N. Kwong, and Ray T. Chen, Silicon Nano-membranes for Efficient Large Angle Optical Beam Steering, in IEEE/LEOS Winter Topical Meeting Series, pp. 104-105, 12-14 Jan 2009, Innsbruck, Austria (2009)

2008

Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen, Simultaneous Dual RF Beam Reception of an X-Band Phased Array Antenna Utilizing Highly Dispersive Photonic Crystal Fiber Based True-Time-Delay, AOE 2008 Technical Conference, Oct 30 – Nov 2, Shanghai, China (2008)

Xiaolong Wang, Ray T. Chen, Optical bus for intra- and inter-chip optical interconnects, IEEE LEOS 19th annual workshop on interconnections within high speed digital systems, Invited Paper, MA2,  18-21 May 2008, Santa Fe, New Mexico

Ray T. Chen, Fully Embedded Board Level Optical Interconnects: Current Status and Future Trend, Invited Plenary Paper to Scientific and Technical Intelligence Committee (STIC, an advisory committee to US Congress)on the Topical Conference on Optical Computer Developments, April, 9-10, at MITRE Corporation, McLean, Virginia, 2008, April 2008

Ray T. Chen, Recent Advances in Polymer and Silicon Nanophotonics, Invited One-hour Tutorial Presentation in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference on CD-ROM (OpticalSociety of America, Washington, DC, 2008), presentation number OMJ4, Feb, 24-28, San Diego, 2008

Xiaonan Chen, Lanlan Gu, Wei Jiang, and Ray T. Chen, 20dB-enhanced coupling to slot photonic crystal waveguide based on multimode interference, Proc. of SPIE Vol. 6899, 68990Q, (2008)

Xiaolong Wang, and Ray T. Chen, Fully Embedded Board Level Optical Interconnects—From Point-to-Point Interconnection to Optical Bus Architecture, Proc. of SPIE Vol. 6899, 689903, (2008) (Invited Paper)

2007

R. T. Chen, Hai Bi, Jinho Choi, J. Ellis, Optoelectronic Packaging for 16-Channel Optical Backplane Bus using Volume Hologram Optical Elements for High Performance Computing, University of Texas at Austin, 40th IMAPS Proceedings 2007, November 11-15, 2007, in San Jose, CA, USA

R. T. Chen, Hai Bi, Jinho Choi, J. Ellis, Optoelectronic Packaging for 16-Channel Optical Backplane Bus using Volume Hologram Optical Elements for High Performance Computing, University of Texas at Austin, 40th IMAPS Proceedings 2007, November 11-15, 2007, in San Jose, CA, USA

Ray T. Chen, Nano- and Micro-Optics on Integrated Circuit Board, Invited Presentation on the session of New Technologies for Optical Integration, Optical Expo 2007, October 2-3, Dallas, Texas, 2007 (Proceeding available at www.lightreading.com/live .)

X. Chen, J. Chen, L. Gu, R. T. Chen, University of Texas at Austin, Austin, TX, USA and W. Jiang, Omega Optics Inc., Austin, TX, USA,"Silicon Photonic Crystal Modulation Device based On Horizontally Activated MOS Capacitor," paper WP25, IEEE LEOS 4th International Conference on Group IV Photonics, Tokyo, Japan, 19-21, September, 2007

Maggie Yihong Chen, Harish Subbaraman, and Ray T. Chen, Highly dispersive photonic crystal fiber for beamforming, in Proc. SPIE, Vol. 6838, 683801, (2007) (Invited Paper)

Xiaonan Chen, Lanlan Gu, and Ray T. Chen, Efficient transmission control based on carrier accumulation in silicon slot photonic-crystal waveguide as an embedded layer for board level optical interconnects, Proc. SPIE Annual meeting on Active Nanophotonic Crystals 2007, San Diego, CA. (Invited Paper)

Xiaonan Chen, Lanlan Gu and Ray T. Chen, "Passive and active nanophotonic devices for optical interconnect applications", Invited Talk to SPIE Annual meeting on Active Nanophotonic Crystals, 6640-2, August 2007

Ray T. Chen, "Nano- and Micro-photonic devices for Inter- and Intra-Board Level Optical Interconnects" Invited Tutorial Talk on 2007 IEEE/Communication Society 16th International Conference on Integrated Optics and Optical Fiber Communication, Yokohama, Japan, July 2007

Ray T. Chen, Nano-photonic devices for Board Level Optical Interconnects, Proceedings of The OSA Topical Conference on Nanophotonics (NANO), pp. 44-45, Hangzhou, China, June 18-21, (2007) (Invited Talk)

Xiaonan Chen, Wei Jiang, Jiaqi Chen, Lanlan Gu, and Ray T. Chen, High bandwidth silicon photonic-crystal modulator based on vertical MOS capacitor, Proceedings of The OSA Topical Conference on Nanophotonics (NANO), pp. 101, Hangzhou, China, June 18-21, (2007)

Harish Subbaraman, Peiyan Cao, Maggie Yihong Chen, and Ray T. Chen, The Design and Fabrication of a Highly Dispersive Photonic Crystal Fiber for Phased Array Antenna Systems, Proceedings of The OSA Topical Conference on Nanophotonics (NANO), pp. 92, Hangzhou, China, June 18-21, (2007)  

Jiaqi Chen, Wei Jiang, Xiaonan Chen, Li Wang, Sasa Zhang, and Ray T. Chen ,3D Nano-photonic Crystal structures for superprism application, Proceedings of The OSA Topical Conference on Nanophotonics (NANO), pp. 13, Hangzhou, China, June 18-21, (2007)

Ray T. Chen, Optical Interconnects: A Viable Solution for Interconnection Beyong 10 Gbit/sec, Invited Talk, 2007 IEEE and ACM International Symposium on Physical Design (ISPD), pp. 85-86, March, 18-21, Dolce Lakeway Resort and Spa, Austin, Texas, 2007, March 2007

Ray T. Chen, Optical Interconnect Technology Big 12 Innovation and Capital Formation Conference, Invited Talk, pp.Information Technology-1, Feb. 28 - March 1, 2007 Kansas City , February 2007

Jiaqi Chen, Wei Jiang, Xiaonan Chen, Li Wang, Sasa Zhang,and Ray T.Chen, 3D Nano-photonic Crystal structures for Laser Beam Switching and Steering, The 4th U.S. Air Force/Taiwan Nanoscience and Nanotechnology workshop, Feb. 2007

Ray T. Chen, "Polymer Planar Lightwave Circuit (PPLC) for Last Mile Optical Communications Keynote Speech on NEDO Symposium Program on Next-Generation FTTH-Fiber To The Home Using Polymer Materials Technologies, Tokyo, Japan, Feburary 21, 2007, February 2007

Hai Bi, Jinho Choi, Wei Jiang, Xuliang Han, Jonathan Ellis, Ray T. Chen, 3.2Gbps Multi-channel Optical Backplane Bus Demonstrator using Photopolymer Volume Gratings (Conference Proceedings Paper) , Photonics West, vol 6478, Feb 2007, San Jose

Jiaqi Chen, Wei Jiang, Xiaonan Chen, Li Wang, Sasa Zhang, and Ray T. Chen, 3D holographic polymer photonic crystal for superprism application, Proceedings of SPIE, Vol. 6480, Photonic Crystal Material and Devices VI, 648013 (2007)

Xiaonan Chen, Lanlan Gu, Wei Jiang, Ray T. Chen, Active transmission control based on photonic-crystal MOS capacitor, Proc. of SPIE Vol. 6480 64800W-3 (2007)

J.H. Choi, Hai Bi, J. Ellis, R. T. Chen, Optoelectronic Packaging for 16-Channel Optical Backplane Bus with VHOEs, Photonics West 2007, SPIE 6478-02, Jan 2007

Hai Bi, Jinho Choi, Wei Jiang, Xuliang Han, Jonathan Ellis and Ray T. Chen, 3.2Gbps multi-channel optical backplane bus demonstrator using photopolymer volume gratings, Photonics West 2007, Proceedings of SPIE 6478-11, Jan 2007, San Jose, CA

2006

Lanlan GU, Wei Jiang, X. Chen, R. T. Chen, Silicon Modulators Based On Photonic-Crystal Waveguides,Proceedings of SPIE (SPIE Asia-Pacific Optical communications, Gwangiu, Korean, September 3-7, 2006),vol. 6352, 63520N-1-9 (2006). (Invited)

Lanlan GU, Wei Jiang, X. Chen, R. T. Chen, Silicon Photonic Crystal Waveguide Modulators, IEEE/LEOS Group IV Photonic, Ottawa, Ontario, Canada, September 13-15,WC5, pp.43-45 (2006). (Invited)

Xiaonan Chen, Jiaqi Chen, Lanlan Gu, Wei Jiang, and Ray T. Chen ,Silicon Photonic Crystal Modulation Device Based On Horizontally Activated MOS capacitor, 4th International Conference on Group IV Photonics, Tokyo, Japan 2007 (Accepted)

Lanlan Gu, Yongqiang Jiang, Wei Jiang, Xiaonan Chen, Jin H Choi, Ray T. Chen, Silicon-On-Insulator-Based Photonic-Crystal Mach-Zehnder Interferometers, SPIE 6128-38 V. 1 (2006)

Lanlan GU, Wei Jiang, Yongqiang Jiang, Xiaonan Chen, Ray T. Chen,   Photonic-crystal-waveguide based Si Mach-Zehnder modulator , Integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting, Uncasville, CT, April 24-26,NWA3, (2006).

Wei Jiang, Li Wang, X. Chen, Y. Jiang, L. Gu, and R. T. Chen, Superprism effect: physics, modelling, and device fabrication, OSA integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting,, Uncasville, CT, April, 2006.

Wei Jiang, Y. Jiang, L. Gu, L. Wang, X. Chen, R. T. Chen, Silicon and polymer nanophotonic devices based on photonic crystals, (Invited) Photonics West, San Jose, CA January 2006 Proc. of SPIE Vol. 6124 612410 (2006)

Xiaolong Wang, Brie Howley, Maggie Y.Chen, Panoutsopoulos Basile and Ray T.Chen,  Fully-integrated 4-bit True Time Delay Module using Polymer Optical Switches and Waveguide Delay Lines , Integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting, Uncasville, CT, April 26-28, 2006

Hai Bi, Jinho Choi, Wei Jiang, Xuliang Han, Jonathan Ellis, Robert Mays, Jr.,Dale Griffiths, Ray T. Chen,  Bit-interleaved optical bus for high-speed secure multiboard system , Proc. SPIE vol. 6126, p 34-42, Photonic West 2006

J. H. Choi, Ray T. Chen, Thermal Characteristics of Thin Film VCSELs for Fully Embedded Chip-to-Chip Guided-Wave Optical Interconnection , accepted by 2006 Integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting, Uncasville, CT, April 24-26,2006.

Maggie Yihong Chen, Brie Howley, Xiaolong Wang, Panoutsopoulos Basile3 & Ray T. Chen,  2-D Scalable Optical Controlled Phased-Array Antenna System , Nanophotonic Packaging, Proc. of SPIE Vol. 6126, 61260I, (2006)

Brie Howley, Xiaolong Wang, Yihong Chen, & Ray T. Chen,  Integrated Polymer Optoelectronic Time Delay Device for an X-band Phased Array Antenna System , Optoelectronic Integrated Circuits VIII, Proc. of SPIE Vol. 6124, 61240Z, (2006)

Yongqiang Jiang, Tao Ling, Lanlan Gu, Wei Jiang, Xiaonan Chen, Ray T Chen,  Highly dispersive photonic crystal waveguides and their applications in optical modulators and true-time delay lines , Proc. SPIE Vol. 6128, p. 209-218, Photonic West 2006, (2006)

Yongqiang Jiang, Tao Ling, Maggie Y. Chen, Ray T. Chen,  Photonic Crystal Fiber Array for True-Time-Delay Structured X-band Phased Array Antenna Systems Integrated Photonics Research and Applications Topical Meeting / Nanophotonics Topical Meeting (IPRA / NANO 2006), April 24–28, 2006

Lanlan GU, Yongqiang Jiang, Wei Jiang, Xiaonan Chen, Ray T. Chen,   Silicon-on-insulator-based photonic-crystal Mach-Zehnder interferometers , Proceedings of SPIE (Photonic West 2006, San Jose, CA), vol. 6128, 261-268 (2006).

Lanlan GU, Wei Jiang, Yongqiang Jiang, Xiaonan Chen, Ray T. Chen,   Photonic-crystal-waveguide based Si Mach-Zehnder modulator , accepted by 2006 Integrated Photonics Research and Applications (IPRA) Topical Meeting/ Nanophotonics (NANO) Topical Meeting, Uncasville, CT, April 26-28, 2006.

2005

Wei Jiang, Y. Jiang, L. Gu, X. Chen, R. T. Chen, Photonic crystal devices for wavelength-division-multiplexing and optical modulation, (invited) Optics East, Boston, MA, October 2005, Proc. of SPIE Vol. 6014 60140F (2005)

Ray T. Chen, "Passive and Active Components for Intra- and Inter-Board Level Optical Interconnects and Packaging," Invited Plenary Talk on the 4th IEEE International Conference on Optical Communications and Networks (ICOCN), Proceeding pp.5-8, December 4-8, Bangkok (2005), December 2005

Yongqiang Jiang, W. Jiang, X. Chen, L. Gu, B. Howley, R. T. Chen,  Slow photon generation on silicon nano-photonic crystal waveguides and applications , invited paper, IEEE International Workshop on VLSI Design and Video Technology, Suzhou, China, May 28~31, 2005, (2005)

YongQiang Jiang, Wei Jiang, Xiaonan Chen, Lanlan Gu, Brie Howley, Ray T. Chen,  Nano-Photonic Crystal Waveguides for Ultra-Compact Tunable True Time Delay Lines , SPIE, 2005, Vol.5733

Wei Jiang, Chuhua Tian, Yongqiang Jiang, Yihong Chen, Xuejun Lu, and Ray T.Chen,  Superprism effect and light refraction and propagation in photonic crystals , SPIE, 2005, Vol.5733

Lanlan Gu, Xiaonan Chen, Yongqiang Jiang, Jian Liu*, Ray T Chen,  High-spatial-frequency Liquid Crystal Phase Gratings with Double-sided Striped Electrodes , SPIE, 2005, Vol.5741

Xiaolong Wang, Brie Howley, Maggie Y. Chen, Qingjun Zhou, Ray Chen and Panoutsopoulos Basile,  Polymer Based Thermo-optic Switch for Optical True Time Delay , SPIE 2005, Vol.5728

Brie Howley, Xiaolong Wang, Qingjun Zhou, Yihong Chen, Ray T. Chen,  Polymer Waveguides and Thermo-Optic Switches for an Optical True Time Delay Phased Array Antenna , SPIE 2005, Vol.5731

Li Wang, Xiaolong Wang, Jinho Choi, David Hass, Jerry Magera, and Ray T. Chen,  Low-loss, thermally stable waveguide with 45° micromirrors fabricated by soft molding for fully embedded board-level optical interconnects ,  SPIE 2005, Vol.5731

 2004

Xiaonan Chen; Zhong Shi; Chen, R.T.; Miniaturized delay-enhanced substrate-guided wave based holograms for continuous tuning of delay times , Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings , 28-30 June 2004  Pages:2 pp.

 Hai Bi; Xuliang Han; Chen, R.T.;  High performance multiprocessor computing system using optical centralized shared bus ,Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings , 28-30 June 2004 Pages:2 pp.

 Chen, R.T.; Li Wang; Jinho Choi; Xiaolong Wang; Packaging efforts for inter- and intra-board level optical interconnects ,Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE  ,Volume: 1 , Nov. 8-9, 2004 Pages:441 - 442

Yongqiang Jiang; Zhong Shi; Howley, B.; Chen, R.T.; Dispersion enhanced photonic crystal fibers for true time delay lines , Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings , 28-30 June 2004 Pages:2 pp.

 Gu, L.; Zhao, F.; Shi, Z.; Liu, J.; Chen, R.T.; Polymeric waveguide hologram based 4-channel coarse WDM for satellite optical communications ,Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings , 28-30 June 2004  Pages:2 pp.

Jinho Choi; Li Wang; Xiaolong Wang; Hass, D.; Magera, J.; Chen, R.T.; Performance evaluation of fully embedded board level optical interconnection ,Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings , 28-30 June 2004  Pages:9 - 10

Li Wang, Jinho Choi, Xiaolong Wang, Ray T. Chen, David Hass, and Jerry Magera , Thin film optical waveguide and optoelectronic device integration for fully embedded board level optical interconnects ,Proc. SPIE Int. Soc. Opt. Eng. 5556, 1 (2004)

Xuejun Lu and Ray T. Chen ,  polymeric-waveguide-based integrated optical signal processing circuits ,Proc. SPIE Int. Soc. Opt. Eng. 5595, 127 (2004)

Yongqiang Jiang, Zhong Shi, Brie Howley, and Ray T. Chen ,  Highly dispersive photonic crystal fibers for true-time-delay modules of an x-band phased array antenna ,Proc. SPIE Int. Soc. Opt. Eng. 5360, 253 (2004)

Wei Jiang, Jizuo Zou, Linghui Wu, Yihong Chen, Chuhua Tian, Brie Howley, Xuejun Lu, and Ray T. Chen,  Theoretical and experimental study of photonic-crystal-based structures for optical communication applications ,Proc. SPIE Int. Soc. Opt. Eng. 5360, 190 (2004)  

 Yihong Chen, Kevin Wu, Feng Zhao, Gicherl Kim, and Ray T. Chen ,  Reconfigurable true-time delay for wideband phased-array antennas  ,Proc. SPIE Int. Soc. Opt. Eng. 5363, 125 (2004)  

 Xuliang Han and Ray T. Chen ,  Improvement of multiprocessing performance by using optical centralized shared bus  , Proc. SPIE Int. Soc. Opt. Eng. 5358, 80 (2004)  

Jian Liu, Lanlan Gu, Ray T. Chen, and Douglas M. Craig , WDM polymer substrate mode photonic interconnects for satellite communications ,Proc. SPIE Int. Soc. Opt. Eng. 5358, 146 (2004)

Jianyi Yang, Q. Zhou, X. Jiang, M. Wang, Y. Wang, R. Chen, Optical Circular-Polarization Modulator Employing Tilt-Poled Electro-Optic Polymers, EEE/OSA J. Lightwave Technol., 22(8): 1930-1934 (2004)

 Chulchae Choi, Yujie Liu, Lei Lin, Li Wang, Jinho Choi, David Haas, Jerry Magera, and Ray T. Chen , Flexible optical waveguide film with 45-degree micromirror couplers for hybrid E/O integration or parallel optical interconnection ,Proc. SPIE Int. Soc. Opt. Eng. 5358, 122 (2004)  

Jianyi Yang, Q. Zhou, X. Jiang, M. Wang, and R. Chen, Polymer-based electro-optical circular-polarization modulator, EEE Photon. Technol. Lett., 16(1): 96-98 (2004)

2003

J. Yang, Q. Zhou, F. Zhao, X. Jiang, B. Howley, M. Wang, R. Chen, “Characteristics of optical bandpass filters employing series-cascaded double-ring resonators,” Opt. Commun.,  228(1-3): 91-98 (2003)

Yang J., Zhou Q., Jiang X., Wang M., Chen R. T., Electro-optic polymeric polarization converter employing tilted-poling method,  Chinese J. Semiconductor, 24(11): 1217-1221 (2003)

J. H. Kim, L. Sun, C. H. Jang, C. C. Choi, and R. T. Chen, Polymer-based Thermooptic Waveguide Beam Deflector with Novel Dual Folded-Thin-Strip Heating Electrodes,  Opt. Eng., Vol. 42, No. 3, pp. 620-624 (2003)

 Jizuo Zou, Feng Zhao, and Ray T. Chen , High-performance dense wavelength division multiplexer based on blazed grating and ion-exchanged glass waveguide technique ,Proc. SPIE Int. Soc. Opt. Eng. 4998, 194 (2003)

Feng Zhao, Jizuo Zou, and Ray T. Chen,  Multideck structure WDM devices for optical networks ,Proc. SPIE Int. Soc. Opt. Eng. 4998, 186 (2003)

 Zhong Shi, Yongqiang Jiang, Brie Howley, Yihong Chen, and Ray T. Chen ,  Wavelength-controlled hologram-waveguide modules for continuous beam scanning in a phased-array antenna system ,Proc. SPIE Int. Soc. Opt. Eng. 4998, 162 (2003)

 Wei Jiang, Chuhua Tian, Linghui Wu, Yihong Chen, and Ray T. Chen ,  Abnormal propagation and interface refraction of light in a photonic crystal and their applications  , Proc. SPIE Int. Soc. Opt. Eng. 5000, 251 (2003)

Xuliang Han and Ray T. Chen,  Optical centralized shared bus architecture for high-performance multiprocessing systems ,Proc. SPIE Int. Soc. Opt. Eng. 4997, 62 (2003)

Zhong Shi, Yongqiang Jiang, Brie Howley, Yihong Chen, Ray T. Chen,  Wavelength-controlled hologram-waveguide modules for continuous beam-scanning in a phased-array antenna system , SPIE, 2003, Vol4998

2002

Ray T. Chen, X. Zhang, Y. Liu, L. Lin, G. Choi ,  Integration of CMOS process-compatible optoelectronic interconnects for high-speed communications (Invited Paper,  Proceeding of SPIE Vol.4602-32, 2002.

Xuliang Han, Gicherl Kim, and Ray T. Chen,  Design, Implementation, and Operation of a Backplane Demonstrator for High Performance Board-to-Board Level Optoelectronic Interconnects,  IEEE/LEOS International Conference on Photonics Applications, Quebec Canada, 2002

G. Choi , L. Lin, Y. Liu, , Ray T. Chen,  Polymer Waveguide Based Fully Embedded Board Level Optoelectronic Interconnects,  (Invited Paper) SPIE Annual Meeting, Seattle, July, 15, Vol.4788-09, 2002.

J. Yang, F. Zhao, D. An, Ray T. Chen,  Multifunctional optical waveguide chips,  (Invited Paper), SPIE, Vol. 4653, 2002, pp. 105-111

Wei Jiang, Yingzhi Sun, Feng Zhao, Ray T. Chen, Baoping Guo, J.Horwitz, and W. Morey,  Ball-lens-based optical add/drop multiplexers: designs and implementations ,(invited) Proc. SPIE, Vol. 4653, pp. 161-171, 2002

Yihong Chen, Ray T. Chen,?  A K-band phased array antenna system employing photonic true-time delay module ,  Proceeding of IEEE/LEOS International Conference on Photonics Applications, Quebec Canada, 2002

Yihong Chen, Xuping Zhang, Ray T. Chen,   Substrate-Guided-Wave Hologram Based Continuously Variable True-Time-Delay Module for Microwave Phased-Array Antennas ,  SPIE proceeding of Optoelectronic interconnection, 2002

2001

Xuegong Deng, Ray T. Chen, “Generic three-dimensional wavelength routers based on cross connects of multi-layer diffractive elements,” Proc. SPIE, Vol. 4292, (2001).

Jie Qiao, Feng Zhao, Hames Horwitz , Ray Chen et al,  Multimode 200GHz-spaced DWDM for local area network  , Proc. of PhtonicsWest 2001,Vol.4289.

W.W. morey, J. Horwitz, F. Zhao, Ray Chen et al,  Performance comparisons of WDM Mul/DeMux device including coarse WDM, multimode, and high-channel count devices , Proc. of PhtonicsWest 2001, Vol.4289.

Jie Qiao, Feng Zhao, Hames Horwitz and Ray Chen,   32 Channel 100Ghz-spaced Demultiplexer for Metropolitan Area Network , Optical Engineering, Vol. 40, No. 7, 1255-1259(2001).

W.W. morey, J. Horwitz, F. Zhao, Ray Chen et al,  Performance comparisons of WDM Mul/DeMux device including coarse WDM, multimode, and high-channel count devices , Proc. of PhotonicsWest 2001, Vol.4289.

Feng Zhao, Jie Qiao, Xuegong Deng and Ray Chen et al,  Optimal design of grating-based WDM , Proc. of PhotonicsWest 2001, Vol.4289.

Xuegong. Deng, Feng Zhao, Ray Chen et al ,  Passive single-mode wavelength-division (de)multiplexers for short-link multiwavelength applications in field environments , Proc. of PhtonicsWest2001, Vol.4289.

L. Lin, Y. Liu, C. Choi, B. Bihari, R. T. Chen,  Integrated high-speed GaAs MSM photodetector and polyimide channel waveguide array for board-level data communication ,  Proc. of PhtonicsWest 2001, Vol.4292-03

Xuliang Han, Gicherl Kim, Hitesh Gupta, G. Jack Lipovski, Ray T. Chen,  System demonstrator for board-to-board-level substrate-guided wave optoelectronic interconnections , Proc. of PhtonicsWest 2001, pp.131-140

2000

Yihong Chen, Ray T. Chen,  Photonic true time delay module for high-frequency broadband phased array antenna , Proc. of  PhtonicsWest 2001, Vol.4292, pp.190-196

G. Kim and R. T. Chen,  Crosstalk Analysis for Optical Backplane Using Two-dimensional Beam Array from VCSEL and Microlens Array , Proc. SPIE (2000).

S. Tang and R. T. Chen,  High-speed Electro-optic Switches for WDM Applications   (invited paper), Proc. SPIE 3949 (2000).

B. Li, Y. Chen, Z.  Fu, and R. T. Chen,  Substrate-guided Wave Optical True-time Delay Feeding Network for Phased-array Antenna Steering,  Proc. SPIE, Photonics West 2000.

B. Li, Y. Chen, N. Jiang, Z Fu, and R. T. Chen,  Photonic Phased-array Antenna  System   based on Detector-switched Optical Blass Matrix True-time Delay   Steering and    Heterodyne RF Generation,  ICAPT 2000, Canada.

Y. Liu, L. Lin, C.-C. Choi, R. T. Chen,  High Performance Polyimide Waveguide and  Micro Mirror Coupler for Guided-wave Optoelectronic Interconnects,  Photonics West Conference,  2000.

J. Qiao, F. Zhao, X. Deng, and R. T. Chen,  Fully Packaged Wavelength Division  Demultiplexer for Optical Network,  SPIE 3949 (submitted) (2000).

X. Deng, D. An, F. Zhao, R. T. Chen, and V. Villavicencio,  Temperature Sensitivity of  Passive Holographic Wavelength-division Demultiplexing,  Proc. SPIE 3949 (in press)   (2000) .

X. Deng, F. Zhao, Z. Fu, J. Zou, J. Qiao, G. Kim, R. T. Chen,  Linearity of Volume Hologram Out-coupling for Wavelength-division Demultiplexing,  Proc. SPIE 3949  (in press) (2000).

X. Deng, F. Zhao, and R. T. Chen,  Optimal Design of Substrate-mode Volume   Holographic Wavelength-division Demultiplexers,   Proc. SPIE  3949  (2000).

F. Zhao, E. E. E. Freitman, Z. Han and Ray Chen,  Multi-faceted Free Space Image Distributor for Optical Interconnects in Massively Parallel Process,  SPIE Proceeding 3632, 45-56 (1999).

Feng  Zhao, Xuegong Deng, Jie Qiao, Jizuo Zou and Ray Chen,   Chirp Gratings for Dense WD(D)M and Optoelectronic Interconnect Applications , Proc. of SPIE, Vol. 3949, 62(2000).

 

Journal Papers prior to 2000

Jianhua Gan, Linghui Wu, Hongfa Luan, Bipin Bihari and Ray T. Chen,  Two-dimensional 45-  degree surface-normal micro-coupler array for guided-wave optical clock distribution,  IEEE Photonics Technology Letters, 11, 11, 1452 ff. (1999)

Gicherl Kim and Ray T. Chen  Three-Dimensionally Interconnected Multi-bus-line  bidirectional Optical backplane,  Optical Engineering 38, 9 (1999)

R. Chen and S. Tang,  Board Level Guided Wave Optical Interconnects,  invited paper, Proc. IEEE, special Optical Interconnects issue (1999)

R. T. Chen, J. Liu, and X. Deng,  Multi-mode-fiber Compatible WDM/WDDM with an  Ultra-large Wavelength Dynamic Range  in Wavelength division multiplexing, R. T.Chen  and Louis S. Lome,  eds.,  SPIE, CR 71, 50-71 (1999).

G. Kim and R. T. Chen,  Three-Dimensionally Interconnected Multi-Bus-Line Bidirectional Optical Backplane , Optical Engineering 38, 9, 1560-1566 (1999)

G. Kim and R. T. Chen,  Three-Dimensionally Interconnected Bi-Directional Optical  Backplane,  IEEE Photonics Technology Letter 11, 7, 880-882 (1999).

Jian Liu and Ray T. Chen  Path-reversed substrate-guided-wave optical interconnects for  wavelength division demultiplexing,  Applied Optics 38, 14, 3046-3052 (1999).

Jian Liu and Ray T. Chen  Substrate-guided-wave-based optical interconnects for multiwavelength routing and distribution networks,  IEEE Journal of Lightwave Technology 17, 2, 354-361 (1999).

Zhenhai Fu and Ray T. Chen  Pseudo-analog true-time delay module based on substrate-guided wave and WDM  (invited paper), Photonics and Phased Array Antenna Systems (PAPAS)—special issue of SPIE s International Technical Group on Optical Processing and Computing, edited by Nabeel Riza, 10, 1, 12 (1999).

Zhenhai Fu, Charles Zhou and Ray T. Chen,  Waveguide-hologram-based wavelength-multiplexed pseudo-analog true-time delay module for wideband phased array antennas,  Applied Optics 38, 14, 3053-3059, (1999).

Gicherl Kim and Ray T. Chen  Three-Dimensionally Interconnected Bi-Directional Optical Backplane,  IEEE Photonics Technology Letters, 11, 7, 880-882, (1999).

Zhenhai Fu and Ray T. Chen  5-bit substrate guided wave true-time delay module working at 2.4 THz with packing density of 2.5 lines/cm2 for phased array antenna applications,  Optical Engineering 37, 6, 1838-1844, 1998.

Charles C. Zhou , Zhenhai Fu, Brian Davies and Ray T. Chen,   Dispersion Correction of Surface-normal Optical Interconnection Using Two Compensated Holograms,  Applied Physics Letters, 72, 25, 3249-3251 (1998).

Zhenhai Fu and Ray T. Chen, High-packing density optical true-time delay lines for phased array antenna applications, (Invited Paper) Recent Research Developments Series, Vol. 1 (1998).

Charles Zhou and Ray T. Chen,  Dispersion correction of surface-normal optical interconnection using two compensated holograms,  Applied Physics Letters, 1998.

Dechang An, ZuZhou Yue and Ray T. Chen,   Dual Functional Polymeric Waveguide with Optical Amplification and Electrooptic Modulation,  Applied Physics Letters, 72 (22) 2806-2808, 1998.

De-Gui Sun and Ray T. Chen,  High-performance Unidirectional Electrooptic Modulator based on Polymeric Highly Multi-mode Waveguides,  Applied Physics Letters, 72, 24, 3139-3141 (1998).

Zhou Z. Yue, Dechang An, Suning Tang, and Ray T. Chen,  1000 Volts/um pulsed poling technique for photolime-gel electro-optic polymer with room-temperature re-poling feature,  Applied Physics Letters 72, 26, 3420-3422 (1998).

Zhenhai Fu and Ray T. Chen,  Guided-wave True-time Delay Lines for Wideband Phased Array Antenna Applications,  Invited paper to the Journal of Recent Developments in Applied Physics (1998).

Charles Zhou, Ray T. Chen, B. Hunter and P. Dempewolf,  Axial-graded-index (AGRIN) Lens-based Eight-channel Wavelength Division Demultiplexer for Multi-mode Fiber Optic Systems,  Photonics Technology Letters 10, 4 (1998).

Zhenhai Fu and Ray T. Chen, Five-bit substrate guided wave true-time delay module working up to 2.4 THz with a packing density of 2.5 lines/cm2 for phased array antenna applications, Optical Engineering 37, 6, 1838-1844 (1998).

Jian Liu and Ray T. Chen, A two-dimensional wavelength routing and distributing network,  IEEE Photonic Technology Letters 10, 238-240 (1998).

Jian Liu, Zhenhai Fu, Ray T. Chen,  Polarization sensitivity of photopolymer-based volume holograms for one-to-many surface normal optical interconnects,   Optical Engineering 37, 660-665 (1998).

Jian Liu, Chunhe Zhao, R. Lee, and Ray T. Chen,  Cascaded energy-optimized linear volume hologram array for 1-to-many surface-normal even fanouts,  Optical and Laser Technolology 29, 321-325(1998).

Zhenhai Fu, Richard Li, And Ray T. Chen,  Compact broadband 5-bit photonic true-time-delay module for phased-array antennas , Optics Letters 23, 7, 522-524 (1998).

Ray T. Chen,  Polymer-based Waveguide Holograms for Optical Interconnect Applications,  Opto News and Letters, No. 64, pp.18-21 (Part 1), An Invited Paper Translated into Chinese by the Publisher  (1998).

Ray T. Chen,  Polymer-based Waveguide Holograms for Optical Interconnect Applications,  Opto News and Letters, No.65, pp.32-33 (Part 2), An Invited Paper Translated into Chinese by the Publisher (1998).

Jian Liu, Chunhe Zhao, and Ray T. Chen,  Implementation of optical perfect shuffle with substrate-guided wave optical interconnects,   IEEE Photonic Technology Letters 9, 946-948 (1997).

Chunhe Zhao, Jian Liu, Zhenhai Fu, and Ray T. Chen,  Shrinkage-corrected volume holograms based on photopolymeric phase media for surface-normal optical interconnects,  Applied Physics Letters 71, 11, 1464-1466 (1997).

Jian Liu, Chunhe Zhao, R. Lee, and Ray T. Chen,  Cross-link optimized cascaded volume hologram array with energy-equalized one-to-many surface-normal fan-outs,  Optics Letters 22, 1024-1026 (1997).

D.G. Sun, R. Lee and Ray T. Chen,  Combination of free-space and guided-wave optical interconnects for angularly multiplexed multi-wavelength holographic memory,  to appear in Applied Optics 36, 32, 8329-8336 (1997).

D.G. Sun, C. Zhao and Ray T. Chen,  Intra-to inter-plane optical interconnects using high diffraction efficiency electrooptic grating,  Applied Optics 36, 3, 629-634 (1997).

Richard Lee and Ray T. Chen,  3-bit substrate-guided-mode optical true-time-delay lines operating at 2.5 Thz,  IEEE Photonics Techology,  9, 1, 100-102 (1997).

Richard Lee, Zhenhai Fu, and Ray T. Chen,  High Packing Density 2.5Thz True-Time-Delay Lines using Spatially Multiplexed Substrate Guide Wave in Conjuction with Volume Holograms on a Single Substrate , IEEE Journal of Lightwave Technology 15, 2253-2258 (1997).

Ray T. Chen, Linghui Wu, F. Li, S. Tang, M. Dubinonsky, J. Qi, C.L. Schow, J.C. Campbell, R. Wickman, B. Picor, M. Hibbs-Brenner, J. Bristow, Y.S. Liu, S. Rattan and C. Nodding,  Polyamide-based Waveguides for Guided-wave Multi-Gbit/sec MCM Optoelectronic interconnects,  Invited paper to Critical Review on Sol-Gel and Polymer Photonic Devices, Vol. CR-68, 228-249 (1997).

R. Lee, Huajung Tang and Ray T. Chen,  25 Ghz optically heterodyned true-time-delays lines on thick LD-3 polymer-based planar waveguides,  Applied Optics 36, 4269 - 4273 (1997).

Huajun Tang, Guohua Cao, John M. Taboada and Ray T. Chen,  Improved Optical Quality of Crosslinkable Nonlinear Polymer Waveguides by Anchoring the Diffusive Small Molecules,  Journal of Polymer Science 35, 2385-2389 (1997).

Linghui Wu, Feiming Li, Suning Tang, Bipin Bihari, Ray T. Chen,  Compression-Molded three dimensional tapered polymeric waveguides for low-loss optoelectronic packaging  IEEE  Photonics Letters 9, 12, 1601-1603 (1997).

Huajun Tang, John M. Taboada, Guohua Cao, Liqiang Li, Ray T. Chen,  Enhanced electro-optic coefficient of nonlinear optical polymer using liquid contact poling,  Applied Physics Letters 70, 5, 538-540 (1997).

Chunhe Zhao and Ray T. Chen,  Performance consideration of three dimensional optoelectronic interconnection for intra-multichip-module clock signal distribution,  Applied Optics 36, 2537-2542 (1997).

Huajun Tang, Jeffery J. Maki, John M. Taboada, Guohua Cao, Dugui Sun, Ray T. Chen,  Novel poling and electro-optic measurement methods of cladded nonlinear-optical polymer films,  Proc. SPIE 3147, 156-164 (1997).

Maggie M. Li, Sunning Tang and Ray T. Chen,  A Three-dimensional (3-D) Substrate-Guided-Wave to Free-Space Multistage Optoelectronic Interconnection using Wavelength Division Multiplexing and Space Division Demultiplexing,  IEEE Journal of Lightwave Technology, Vol.14, pp. 365-369 (1996).

Ray T. Chen, Charles Zhou, Chunhe Zhao and Richard Lee,  Photopolymer-based waveguide holograms for optoelectronic interconnects applications,  Invited paper to Critical Review on Polymers in Optics: Physics, Chemistry and Applications, Vol. CR-63, pp.44-64 (1996)

Ray T. Chen, Feiming Li, Michael Dubinovsky and Oleg Ershov,  Si-based surface-relief polygonal gratings for 1-to-many wafer scale optical clock signal distribution,  IEEE Photonics Technology Letters, Vol. 8, No. 8, pp.1038-1040 (1996).

Ray T. Chen and Richard Lee, Waveguide-Hologram-based Optoelectronic Interconnects for True-Time-Delay Phased Array Antennae,  Invited Paper, Holography, Vol.6, No.2, pp.6-7 (1996).

R. T. Chen and R. Lee,  Waveguide-hologram-based optoelectronic interconnects for true-time-delay phased array antennae,  (Invited Paper), International Technical Working Group Newsletter, Optical Processing & Computing, Vol.1, pp. 8-9, May, (1996).

Ray T. Chen,  Holographic Elements Fanout Laser Beams,  (Invited Paper), Laser Focus World,  Vol.32, pp. 221-228, 1996.

David Gerold and Ray T. Chen,  Vacuum-tuned Graded Index Polymer Waveguides on Silicon Substrates,  Applied Optics, pp. 471-474 (1996)

Ray T. Chen and Chunhe Zhao,  Performance Optimized Optical Bidirectional Backplane Bus for Multi-processor Systems,  Invited paper, Critical Review on Optoelectronic Interconnects and Packaging, Vol.CR62, pp.299-317 (1996).

Chunhe Zhao and Ray T. Chen, Fan-out intensity optimization of bi-directional photopolymer hologram-based optical backplane bus, Optical Engineering, 35(4), pp. 983-988 (1996).

De-Gui Sun, Ray T. Chen et al.,  Demonstration of an optoelectronic interconnect architecture for a parallel modified signed-digit adder and subtracter,  Optical Engineering 35(6), pp. 1785-1793  (1996)

Charles Zhou,  Ray T. Chen,  Surface-normal 3x3 Non-blocking wavelength-selective crossbar using polymer-based volume holograms,  Applied Physics Letters , Vol.69, pp. 3990-3992 (1996).

Suning Tang, C. Zhou and Ray T. Chen,  A Holographic Waveguide Microlens Array for Surface Normal Optical Interconnects,  IEEE Photonics Technology Letters, Vol. 8, pp. 1498-1500 (1996).

Suning Tang, Maggie Li, Luke Graham and Ray T. Chen,  A Novel Wavelength Division-Demultiplexer with Optical In-Plane to Surface-Normal Conversion,  IEEE Photonics Technology Letters, Vol. 7, pp. 908-910 (1995).

Dave Gerold, Ray T. Chen, William A. Farone and David Pelka,  Poled electro-optic photolime gel polymer doped with Chlorophenol red and Bromomethyl blue chromophores,  Applied Physics Letters, Vol. 66, pp. 2631-2633 (1995).

Srikanth Natarajan, Chun-he Zhao and Ray T. Chen,  Bi-directional Optical Backplane Bus for General Purpose Multi-Processor Board-to-Board Optoelectronic Interconnects,  IEEE Journal of Lightwave Technology, Special Issue on Optical Interconnects, Vol. 13, pp. 1031-1040 (1995).

Ray T. Chen,  Multiplexed Polymer-based Chirped Grating Lenses Working at 632.8nm Wavelength,  Electronics Letters, Vol. 31, pp. 911-912 (1995).

Maggie M. Li and Ray T. Chen,  Five-channel Surface-normal Wavelength Division Demultiplexer using Substrate-guided Waves in conjunction with a Polymer-based Littrow Hologram,  Optics Letters, Vol. 20, pp. 797-799 (1995).

Suning Tang, Ray T. Chen, Rob Mayer, Dave Gerold, Tomasz Jannson, and Andrew Kostrzewski,  Channel Cross-coupling in a Polymer-based Single-mode Bus Array,  IEEE Journal of Lightwave Technology, Vol. 13, pp. 37-41 (1995).

Maggie M. Li and Ray T. Chen,  Two-channel surface-normal wavelength division demultiplexer using substrate guided waves in conjunction with multiplexed waveguide holograms,  Applied Physics Letters, Vol. 66, pp. 262-264(1995).

Suning Tang and Ray T. Chen,  Intra-Multi-Chip Module (MCM) Optical Clock Signal Distribution,  Optics & Photonics News, Vol. 5, pp. 41-42 (1994).

Maggie M. Li, Ray T. Chen, Suning Tang, and Dave Gerold,  Angular Limitations of polymer-based Waveguide Holograms for 1-to-many V-shaped surface-normal optical interconnects,  Applied Physics Letters, Vol. 65, pp. 1070-1072(1994).

Suning Tang and Ray T. Chen,  1-to-42 Optoelectronic Interconnection for Intra-Multi-Chip-Module Clock Signal Distribution,  Applied Physics Letters, Vol. 64, pp. 2931-2933(1994).

Suning Tang, Ray T. Chen, Laura Garrett, Dave Gerold and Maggie M. Li,  Design Limitations of Highly Parallel Free-space Optical Interconnects Based on Arrays of Vertical Cavity Surface-Emitting Laser Diodes, Microlenses, and Photodetectors,  IEEE Journal of Lightwave Technology, Vol. 12, pp. 1971-1975 (1994).

Ray T. Chen, VME Optical Backplane Bus for High Performance Computer,  Invited Paper to the special issue on Optoelectronic Integrated Circuits, Japanese Journal of Optoelectronics-Devices and Technologies, Vol.9, pp. 81-94 (1994).

Ray T. Chen,  Guided-wave Optical Interconnects for high-speed Optoelectronic Interconnects,  Part I  (Invited Paper Translated into Chinese) Opto News and Letters, April, No. 46, pp. 8-10 (1994).

Ray T. Chen,  Guided-wave Optical Interconnects for high-speed Optoelectronic Interconnects,  Part II  (Invited Paper Translated into Chinese) Opto News and Letters, June, No. 47, pp. 33-34 (1994).

Ray T. Chen,  Guided-wave Optical Interconnects for high-speed Optoelectronic Interconnects,  Part III.  (Invited Paper Translated into Chinese), Opto News and Letters, August, No. 48, pp. 34-35 (1994).

Suning Tang and Ray  T. Chen,  1-to-27 Highly Parallel Three-dimensional Intra- and Inter-Board Optical Interconnects,  IEEE Photonics Technology Letters, Vol. 6, pp. 299-301 (1994).

Suning Tang, Ray T. Chen and Mark Peskin,  Packing Density and Interconnection Length of a Highly Parallel Optical Interconnect Using Polymer-based, Single-mode Bus Arrays,  Special Issue of Optical Engineering on Optical Interconnects and Packaging, Vol. 33 No. 5, pp. 1581-1586 (1994).

Ray T. Chen,  Wavelength Division Demultiplexer on a GaAs Substrate,  (Invited Paper) Fiber and Integrated Optics, Vol. 13, pp. 215-224 (1994)

Ray T. Chen, R. Shih, D. Robinson and T. Jannson,  Single-mode Optically Activated Phase Modulator on GaAs/GaAlAs Compound Semiconductor Rib Waveguides,  Journal of Applied Physics, Vol.74, pp. 5964-5971(1993).

Ray T. Chen, Maggie Lee, Srikanth Natarajan, Chuan Lin, Z. Z. Ho and Dan Robinson,  Single-Mode Nd3+-Doped Graded-Index Polymer Waveguide Amplifier,  IEEE Photonics Technology Letters, Vol.5, pp. 1328-1331(1993).

Ray T. Chen, Suning Tang, Maggie M. Li, David Gerald and Srikanth Natarajan,  1-to-12 Surface Normal Three-dimensional Optical Interconnects,  Applied Physics Letters, Vol.63, pp. 1883-1885 (1993).

Ray T. Chen, Polymer-based Waveguide Hologram for Near-Infrared Twelve-Channel Wavelength Division Demultiplexer on a Semi-insulating GaAs Substrate,  Invited Paper to Journal of Photonics and Optoelectronics, Vol.1, pp. 97-102 (1993).

Ray T. Chen, Suning Tang, Tomasz Jannson and Joanna Jannson,  45-cm Long Compression-molded Polymer-based Optical Bus,  Applied Physics Letters, Vol.63, pp. 1032-1034 (1993).

Ray T. Chen, Polymer-based Photonic Integrated Circuits,  (Invited Review Paper), Optics and Laser Technology, Vol. 25, pp. 347-365 (1993).

Ray T. Chen,  Polymer-based Passive and Active Guided-wave Devices and Their Applications,  Invited Paper, Critical Review on Integrated Optics and Optoelectronics, Vol.CR-45, Published by the International Society of Optical Engineering, pp. 198-235 (1993).

Ray T. Chen,  Graded-Index Polymer-Based Waveguide Lens Working at Visible Wavelengths on GaAs Substrate for Optoelectronic Interconnects,  Applied Physics Letters, Vol.62, pp. 2495-2497 (1993).

Ray T. Chen,  Graded Index Linear and Curved Polymer Channel Waveguide Arrays for Massively Parallel Optical Interconnects,  Applied Physics Letters, Vol.61, pp. 2278-2280 (1992).

Z. Z. Ho, Ray T. Chen and Robert Shih,  Electro-optic Phenomena in Gelatin-based Poled Polymer,  Applied Physics Letters, Vol.61, pp. 4-6 (1992).

Ray T. Chen and D. Robinson  Electro-optic and All-optical Phase Modulator on an Indium Tin Oxide Single-mode Waveguide,  Applied Physics Letters, Vol.60, pp. 1541-1543 (1992).

Ray T. Chen, D. Robinson, H. Lu, M. R. Wang, T. Jannson R. Baumbick,  Reconfigurable Optical Interconnection Network for Multimode Optical Fiber Sensor Arrays,  Optical Engineering, Vol.31, pp. 1098-1105 (1992).

Ray T. Chen, Huey Lu, Daniel Robinson, Michael Wang, Gajendra Savant, and Tomasz Jannson,  Guided-Wave Planar Optical Interconnects Using Highly Multiplexed Polymer Waveguide Holograms,  IEEE/OSA Journal of LightWave Technology, Vol.10, No.7, pp. 888-897 (1992).

Ray T. Chen, H. Lu, D. Robinson, Z. Sun, T. Jannson, D. V. Plant H. R. Fetterman,  60 GHz Board-to-board Optical Interconnection using Polymer Optical Buses in Conjunction with Microprism Couplers,  Applied Physics Letters, Vol.60, pp. 536-538 (1992).

M. R. Wang, G. J. Sonek, Ray T. Chen and T. Jannson,  Large Fanout Optical Interconnects Using Thick Holographic Gratings and Substrate Wave Propagation,  Applied Optics, Vol.31, pp. 236-249 (1992).

Lev Sadovnik, Alexander A. Sawchuk, Ray T. Chen and Tomasz Jannson,  Nonlinear-optical Processing by Means of Phase Coding,  Optics Letters, Vol. 16, pp. 1418-1420 (1991).

Ray T. Chen, Michael R. Wang, G. J. Sonek, Tomasz Jannson,  Optical Interconnection using Polymer Microstructure Waveguides,  Optical Engineering, Vol. 30, pp. 622-628 (1991).

Ray T. Chen, Huey Lu, Daniel Robinson, Tomasz Jannson,  Highly Multiplexed Graded-Index Polymer Waveguide Hologram for Near-Infrared Eight-Channel Wavelength Division Demultiplexing,  Applied Physics Letters, Vol. 59, pp. 1144-1146 (1991)

M. R. Wang, G. J. Sonek, Ray T. Chen and T. Jannson,  Five-Channel Polymer Waveguide Wavelength Division Demultiplexer for the Near Infrared,  IEEE Photonics Technology Letters, Vol. 3, pp. 36-38 (1991).

Ray T. Chen, Lev Sadovnik, Tomasz Jannson, Joanna Jannson,  Single-mode Polymer Waveguide Modulator,  Applied Physics Letters, Vol. 58, pp. 1-3 (1991).

Ray T. Chen, Michael R. Wang, Tomasz Jannson,  Polymer Microstructure Waveguides on Alumina and Beryllium Oxide Substrates for Optical Interconnection,  Applied Physics Letters, Vol. 56, pp. 709-711(1990).

Ray T. Chen, Michael R. Wang, Tomasz Jannson,  Intraplane Guided Wave Massive Fanout Optical Interconnections,  Applied Physics Letters, Vol. 57, pp. 2071-2073 (1990).

Ray T. Chen, Lev Sadovnik, Tin M. Aye, Tomasz Jannson,  Submicrometer Lithography Using Lensless High-Efficiency Holographic Systems,  Optics Letters, Vol. 15, pp. 869-871(1990).

Michael R. Wang, Ray T. Chen, G. J. Sonek and Tomasz Jannson,  Wavelength-Division Multiplexing and Demultiplexing on Locally Sensitized Single-Mode Polymer Microstructure Waveguides,  Optics Letters, Vol. 15, pp. 363-365 (1990).

Ray T. Chen, William Phillips, Tomasz Jannson, David Pelka,  Integration of Holographic Optical Elements with Polymer Gelatin Waveguides on GaAs, LiNbO3, Glass and Aluminum,  Optics Letters, Vol.14, pp. 892-894 (1989).

Ray T. Chen,  Electro-Optic Depolarization Switch on Y-Cut LiNbO3 Proton-Exchanged Channel Waveguides,  Applied Physics Letters, Vol. 54, pp. 2628-2630 (1989).

Ray T. Chen and Chen S. Tsai,  GaAs-GaAlAs Heterostructure Single-Mode Channel-Waveguide Cutoff Modulator and Modulator Array,  IEEE Journal of Quantum Electronics, Vol. QE-23, pp. 2205-2208 (1987).

Ray T. Chen and C. S. Tsai,  Thermally Annealed Single-Mode Proton-Exchanged Channel Waveguide Cutoff Modulator,  Optics Letters, Vol.11, pp. 546-548 (1986). 

Ray T. Chen and William S. C. Chang,  Anomalous Attenuation and Depolarization Scattering in Y-cut LiNbO3 Proton Exchanged Waveguides,  IEEE Journal of Quantum Electronics, Vol. QE-22, pp. 880-882 (1986).

C.-H. Jang and R. T. Chen,  Polymeric Fiber-optic 1X2 Switch Using Thermo-optic Prism Array and Elliptic TIR Waveguide Mirror , submitted

Conference Papers prior to 2000

G. V.  Karve, B. Bihari, D. An, S. Tang, and R. T. Chen,  Multifunctional   Photonic  Devices based on Polymeric Materials,  Proc. SPIE , Organic Photorefractives,   Photoreceptors, Waveguides, and Fibers (1999).

Charles Zhou and Ray Chen,  Axial-Graded-Index (AGRIN) Lens-based Wavelength Division Demultiplexer for Multimode Fiber Optic Systems, Invited paper, SPIE Proceeding, Vol. 3547, pp.245-250 (1999).

S. Tang, Z. Shi, G. Moring, J. Lilly, A. Humen, R. Chen, J. Foshee,  A Wideband  Phased Array Antenna Based on Detector-Switched Polymeric Waveguide  True-Time-Delay Lines , Proc. IEEE Military Communications Conference (MILCOM), 0ct. 30 – Nov. 3, 1999, Classified Volume, 571-577 (1999).

Jian Liu, J. Qiao, Ray T. Chen, and B.M. Davies, Multi-Mode Dense WDDM for Data Communications: Paper TuD1.3, IEEE-LEOS Summer Topical Meeting on WDM Components, San Diego, CA (1999).

Jian Liu and Ray T. Chen  Practical wavelength division demultiplexer for short wavelength local area networks (LANs),  SPIE Vol. 3632-30, pp.273-284 (1999).

John M. Taboada, Jeffery J. Maki, Suning Tang, Lin Sun, Xuejun Lu,  and  Ray T. Chen, Thermo-optically Tuned Cascaded Polymer Waveguide  Taps,  Photonics  West  99, January 1999, San Jose.  Proc. SPIE 3632,  285-290, Optoelectronic  Interconnects    VI, Julian P. Bristow; Suning    Tang; Eds. (1999).

Lin Sun, Jeffery J. Maki, John M. Taboada, Dechang An, Zhong Han, Xuejun Lu, Ray T. Chen, and Suning Tang,  Laser Beam Deflector Based on a Domain-Inverted Electro-Optic Polymeric Waveguide Prism Array,  SPIE Conference on Optoelectronic Interconnects VI, San Jose, CA 3632, 134-141 (1999).

Jian Liu, Ray T. Chen, B.M. Davies, and L. Li,  Design and modeling of substrate-guided wave holographic gratings for wavelength-division demultiplexing,  Applied Optics 38, 34,6981-6986 (1999).

Bipin Bihari, Jinghuai Fa, Xuegong Deng, Brian M. Davies, Suning Tang and Ray T. Chen,  High-throughput optoelectronic interconnects for holographic memory devices,  SPIE Proceeding, Vol. 3632, pp.297-308 (1999).

John M. Taboada, Jeffery J. Maki, Suning Tang, Lin Sun, Xuejun Lu, Ray T. Chen,  Thermooptically Tuned Cascaded Polymer Waveguide SPIE Proceeding, Vol. 3632, pp.285-290 (1999).

Lin Sun, Jeffery J. Maki, John Taboada, Dechang An, Z. Han, Xuejun Lu, Ray Chen and Suning Tang,  Laser Beam Deflector Based on a Domain-inverted Electrooptic Polymeric Waveguide Prism Array,  SPIE Proceeding, Vol. 3632, pp.134-141 (1999).

J. J. Maki, J. M. Taboada, L. Sun, and R. T. Chen,  Electro-optic-polymer circular-polarization modulator,  Organic Photonic Materials and Devices, B. Kippelen, Ed., Proc. SPIE 3623, 147-158 (1999).

Z. Han, S. Tang, D. An, L. Sun, X. Lu, Z. Shi, Q. Zhou and Ray Chen,  High-speed Traveling-wave Electrodes for Polymeric Electrooptic Modulators,  SPIE Proceeding, Vol. 3632, pp.355-362(1999).

L.Lin, C.Choi, B.Bihari, R.T.Chen,  Polymer-based board-level optoelectronic interconnects via micromirror coupler, Proc. SPIE, Vol.4292, pp141-149, 5/2001

R.T. Chen, L. Wu, Y. Liu, B. Bihari, S. Tang, R. Wickman, B. Picor, Y.  S. Liu,  Guided-  wave Si CMOS Process-compatible Optical Interconnects,  Proc. CAS International  Semiconductor Conference 2, 467-71 (1999).

Bipin Bihari, Linghui Wu, Jianhua Gan, Yujie Liu, Suning Tang and Ray T. Chen,  Optical Clock Distribution in Supercomputers using Polyimide-based waveguides,  Optoelectronic Interconnects VI, SPIE Proceedings, Vol. 3632, pp. 123-133(1999).

Gicherl Kim and Ray T. Chen,  Characterization of Bi-Directional Optical Backplane and Performance Enhancement with Multi-Bus Lines.  SPIE conference on Optoelectronic Interconnects, SPIE Proceeding, Vol. 3632, pp.85-95 (1999).

Dechang An, S. Tang, Z. Z. Yue, John Taboada, Lin Sun, Z. Han, X. Lu, and Ray Chen,  Linearized Y-Coupler Modulator based on Domain-inverted Polymeric Waveguide,  SPIE Proceeding, Vol. 3632, pp.22-27(1999).

Suning Tang, L. Wu, Z. Fu, D. An, Z. Han and Ray Chen,  Polymer-based Optical Waveguide Circuits for Photonic Phased Array Antennas,  SPIE Proceeding, Vol. 3632, pp.250-261(1999).

C. Nodding, Suning Tang and Ray Chen,  Packaging of  Tapered Waveguides with MT Connectors to Cost Effectively Facilitate Connection of Single-mode and Multi-mode Optical Networks,  SPIE Proceeding, Vol. 3632, pp.268-272 (1999).

Y. Fan, J. Maki and Ray Chen, Surface Micromachined Electrostatic Deflector for Wide-band Tunable WDDM Filtering,  SPIE Proceeding, Vol. 3632, pp.373-383 (1999).

Zhenhai Fu and Ray T. Chen, Optically controlled phased array antenna by a single 5-bit substrate guided-wave true-time delay module .  The annual DARPA symposium on photonic system for antenna applications (PSAA) 16-19 February, 1999.

Ray Chen, L. Wu, L. Lin, C. Choi, Y. Liu, B. Bihari, S. Tang, R. Wickman, B. Pecor and Y. S. Liu,  Si CMOS Process-compatible Guided-wave Optical Interconnects,  Invited paper, SPIE Proceeding 3632, 27-29 (1999).

Charles Zhou, Sean Sutton and Ray T. Chen,  Four-channel Multi-mode Wavelength Division Demultiplexer based on Photopolymer Volume Holographic Gratings and Substrate-guided Waves,  OSA Topical meeting on Integrated Photonics Research,  Vol.4,  pp.422-424 (1998).

Jian Liu and Ray T. Chen,  A Planarized Two-dimensional Multi-wavelength Routing Network with 1-to-many Cascaded Fanouts,  OSA Topical meeting on Integrated Photonics Research,  Vol. 4,  pp.424-426 (1998).

Linghui Wu, Bipin Bihari, Jianhua Gan, and Ray T. Chen,  Fabrication and characterization of a 1-to-48 Fanout H-tree Structure for Clock Signal Distribution System,  OSA Topical meeting on Integrated Photonics Research, Vol. 4, pp.282-284 (1998).

Dechang An, Joe Yu and Ray Chen,  Dual-functional polymeric materials with electrooptic modulation and amplification,  post-deadline paper to OSA Topical Meeting on Nonlinear Guided Waves & Their Applications, PD-7 (1998).

Zhou Z. Yue, Dechang An, Suning Tang, and Ray T. Chen,  A guest-host-system polymer with high electro-optic coefficients,  Proceedings of SPIE 3288, 1998.

Jian Liu and Ray T. Chen,  Performance characterization of DuPont photopolymer-based optoelectronics interconnects,  SPIE Photonics West Conference, 1998.

Dechang An, Zuzhou Yue, and Ray T. Chen,  Dual-functional Polymeric Waveguide with Optical Amplification and Electro-optic Modulation,  Proc. SPIE, Vol. 3290, P. 227-235 (1998).

Jinhua Gan, Bipin Bihari, Linghui Wu, Feiming Li, Michael Dubinovsky, Ray T. Chen, and Suning Tang,  Efficient waveguide couplers using tilted gratings for optoelectronic interconnects , SPIE Proceedings Vol. 3288, 122-132 (1998).

Linghui Wu, Feiming Li, Suning Tang, Bipin Bihari, Jianhua Gan and Ray T.Chen,  Fabrication of Three dimensional tapered polymeric waveguide using Compression-molding Technique , SPIE Proceedings Vol. 3288, pp. 73-78 (1998).

Linghui Wu, Bipin Bihari, Jianhua Gan, Ray T. Chen, Suning Tang and Randy Wickman,  Fabrication and characterization of a 1-to-48 fanout H-tree structure for clock signal distribution system,  SPIE Photonics West, 24-30, January, 1998, San Jose, CA.

Jeffery J. Maki, Guohua Cao, John M. Taboada, Huajun Tang, Suning Tang, and Ray T. Chen,  Domain-Inverted Electro-Optic Polymeric Waveguide Beam Deflector,  Proc. SPIE, Vol. 3281, 55-64 (1998).

Zhou Z. Yue, Suning Tang, Ray T. Chen,  A linear electro-optic modulator based on an array of Mach-Zehnder interferometers,  Proceedings of SPIE 3288 (1998).

Ray T. Chen, L. Wu, B. Bihari, Suning Tang, R. Wickman, B. Picor and Y.S. Liu,   Si CMOS process compatible polyimide-based guided-wave multi-Gbit/sec  optical clock signal distribition system for supercomputer,  Proceedings of   International symposium on image processing molecular systems IPMS, March 9-10 1998 AIST-Tsukuba Research Center, Tsukuba, Japan.

Jinghuai Fa, Chunhe Zhao, Jian Liu and Ray T. Chen,  High-performance Optoelectronic Hierarchical Bus System , SPIE Conference on Optoelectronic Interconnects, San Jose, CA 1998.

Jinghuai Fa and Ray T. Chen, Implementation of De Bruijn and Kautz Networks Using Waveguide Holograms , SPIE Conference on Optoelectronic Interconnects, San Jose, CA, 1998.

Zhenhai Fu, Richard Li, and Ray T. Chen, Compact 2.4 Thz 5-bit substrate guided wave photonic true-time-delay module for phased array antenna,  SPIE 3290 (1998).

Charles Zhou, Ray T. Chen, B. Hunter and P. Dempewollf,  Eight Channel Wavelength Division Multiplexer and Demultiplexer for Multimode Fibre Optic Systems,  SPIE Photonics West, San Jose, CA 1998.

Charles Zhou, S. Sutton, Ray T. Chen,  Four Channel Multimode Wavelength Division Demultiplexer Based on Photopolymer Volume Holographic Gratings and Substrate-guided Waves,  Integrated Photonics Research, OSA, Victoria, British Columbia, Canada 1998.

Jianhua Gan, Linghui Wu, Bipin Bihari, Hongfa Luan and Ray T. Chen,  Integration of 45-degree micro-couplers in guided-wave optical clock signal distribution system for supercomputers,  SPIE Proceedings, Vol. 3582, pp. 359-363 (1998).

Linghui Wu, Bipin Bihari, Jianhua Gan, Ray T. Chen,  Board level optical clock signal distribution using Si C-MOS compatible polyimide-based 1-to-48 fanout H-tree,  in Integrated Optoelectronics SPIE proceedings, Vol. 3551, pp.130-136 (1998).

H. Luan, L. Wu, B. Bihari, J. Gan and Ray T. Chen,  Polyimided-based guided-wave multigigabit per second optical clock signal distribution system for cray T-90 super computer,  in Photopolymer Device Physics, Chemistry, and Applications, IV (SPIE proceedings, Vol. 3417, pp.96-100 (1998).

Zhenhai Fu and Ray T. Chen, Wideband phased array antenna controlled by a single substrate guided wave true-time delay module,  SPIE Vol. 3417, pp. 113-117(1998).

Charles Zhou, Ray T. Chen,  Wavelength Division Multiplexing for High Bandwith Local Area Network Communication Based on Volume Holograms and Substrate-guided Waves,  SPIE Conference on Audio, Video and Data Communications, Dallas, TX, 1997.

Huajun Tang, Jeffery J. Maki, John M. Taboada, Guohua Cao,  Degui Sun, Ray T. Chen,  Novel poling and electro-optic measurement methods of cladded nonlinear-optical polymer films,  Proc. SPIE, Vol. 3147, 156-164 (1997).

Compression-molded three-dimensional tapered polymeric waveguides for low-loss optoelectronic packaging, Linghui Wu, Feiming Li, Suning Tang, Bipin Bihari and Ray T. Chen, in Microelectronic packaging and laser processing, SPIE Proceedings 3184, 95-101 (1997).

John  M. Taboada, Guohua Cao, Huajun Tang,  Jeffery J. Maki, Suning Tang, Ray T.Chen,  Fabrication of LD-3 Polymer directional couplers,  Proc. SPIE, Vol. 2992, pp. 377-8 (1997).

Huajun Tang, Guohua Cao, Jeffery J. Maki, John  M. Taboada, Suning Tang, Ray T.Chen,  Inverse poling techniques in crosslinkable polymer electro-optic materials,  Proc. SPIE. Vol. 3006, pp. 472-82 (1997)

Huajun Tang, Guohua Cao, John M. Taboada, Ray T.Chen,  Fabrication of high quality crosslinked LD-3 nonlinear optical polymer waveguide films,  Proc. SPIE, Vol. 3007, pp. 136-43(1997).

De-Gui Sun and Ray T. Chen,  Analysis for one-way coupling of asymmetrical parallel highly multimode waveguides,  to be presented in Optoelectronics 97 SPIE Symposium-San Jose, CA (February 1997).

Degui Sun, Chunhe Zhao and Ray T. Chen,  Intraplane to interplane optical interconnects using LiNbO3-based electrooptically modulated switch array for high density holographic memory,  SPIE Proceedings, Vol. 3005, pp.212-223  (1997).

Jian Liu, Ray T. Chen, B. M. Davies, and S. Tang,  Two-dimensional wavelength division demultiplexer with surface-normal configuration,  SPIE 3234-26 (1997).

Jian Liu, Degui Sun, Chunhe Zhao, and Ray T. Chen,  Implemented optical perfect shuffle with a planarized architecture,  SPIE 3159-28 (1997)

Jian Liu, Chunhe Zhao, and Ray T. Chen,  Equal fanout optical interconnects using Dupont Photopolymer films,  SPIE 3005, 230-237 (1997).

Chunhe Zhao, Jian Liu, Zhenhai Fu, and Ray T. Chen,  Shrinkage correction of volume phase holograms for optical interconnects,  SPIE 3005, 224-229 (1997).

Feiming Li, Linghui Wu, Ting Li, Michael Dubinovsky, Suning Tang, Ray T. Chen,  Unidirectional surface-normal waveguide grating coupler for wafer-scale MCM interconnect,  SPIE Proc. Vol. 3005, Optoelectronics 1997, San Jose, CA, Feb. 10-14, 1997.

Suning Tang, Ray T. Chen, and Linghui Wu,  Compression-Molded Three Dimensional Tapered Optical Polymeric Waveguides for Optoelectronic Packaging,  presented in OPTOELECTRONICS  97 SPIE Symposium-San Jose, CA, February 1997.

Zhou Z. Yue, Guohua Cao, John M. Taboada, Jeffery J. Maki, Suning Tang, Ray T. Chen,  Design of an electro-optic directional coupler with four sections poled in four perpendicular directions,  Proceeding of SPIE 3005, 170-181 (1997).

Ting Li, Suning Tang, Feiming Li, Michael Dubinovsky, Linghui Wu, Randy w. Wickman, Ray T. Chen,  Polymer waveguide-based 1-Ghz clock signal distribution system,  SPIE Proc. Vol. 3005, Optoelectronics  97, San Jose, CA, Feb 10-14, 1997.

Richard Lee and Ray T. Chen,  Guided Wave Spatially Multiplexed True-Time_delay Lines for Phased Array Antennae Applications,  Conference on Integrated Optoelectronics,  Photonics China, 1996.

Charles Zhou and Ray T. Chen,  Substrate-guided-wave-based holograms for multiwavelength network applications,  Photonics China, Beijing,  November 1996.

Chunhe Zhao, Jian Liu, Ray T. Chen, and Yung S. Liu, Hybrid optoelectronic backplane bus for multiprocessor-based computing systems,  IEEE Proceedings of MPPOI, 313-320 (1996).

Ray T. Chen and R. Lee, Waveguide-hologram-based optoelectronic interconnects for true-time-delay phased array antennae,  SPIE s International Technical Working Group Newsletter, Optical Processing & Computing, Vol.1, 8-9 (1996).

Charles Zhou and Ray T. Chen,  Polymer-based Volume Hologram for a Surface-normal 3 x 3 Non-blocking  Wavelength-selective Crossbar,  IEEE International Conference on Applications of Photonic Technology, Montreal, Canada, TUC-1, pp.31-32 (1996).

Ray T. Chen and R. Lee,  Holographic optical elements (HOEs) for true-time-delays aimed at phased array antenna applications,  (Invited Paper), SPIE Technical Digest 2689, 176-187 (1996).

R. Lee and Ray T. Chen,  Photonic true-time-delays based on multiplexed substrate-guided wave propagation for phased array antenna applications,  SPIE s 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 2845-44, August, 4-9, 1996.

Ray T. Chen and Richard Lee,  Waveguide-Hologram-based Optoelectronic Interconnects,  (Invited Paper), OE Report, No.15,  pp.9 and 12, 1996.

Richard Lee, H. Tang and Ray T. Chen, Demonstration of planar waveguides on thick LD-3 Polymer films for True-Time-Delay Applications,  SPIE Proceeding Vol.2851-08 (1996).

M. Karakekes, S. Anderson, J. Moharam, R. Chen,  Assessing the Impact of Continuing Engineering Education,  ASEE s National Conference, Washington DC, June 1996.

M. Karakekes and Ray  T. Chen,  Professional Development Workshops—Are You Getting Your Money s Worth?  presented at the International Society for Performance Improvement Conference, Dallas, TX, April 1996.

De-Gui Sun and Ray T. Chen,  Spatially multiplexed multi-wavelength high-density photopolymer-based programmable memory,  Proc. SPIE 2690, pp.241-252 (1996).

Chunhe Zhao and Ray T. Chen,  Hybrid Electrical/Optical Backplane for High Performance Systems,  IEEE International Conference on Applications of Photonic Technology, Montreal, Canada, July,TUC-2, pp.32-33 (1996).

Charles Zhou, Joseph I and Ray T. Chen,  Polymer-based Volume Holograms for a Surface-normal 3x3 Non-blocking Wavelength Selective Crossbar,  IEEE Conference on Applications of Photonic Technology, Vol.2, pp. 263-268 (1996).

Chunhe Zhao and Ray T. Chen,  Bidirectional Optical Backplane Bus with multiple bus lines for High Performance Bus Systems,  IEEE Conference on Applications of Photonic Technology, Vol.2, pp. 268-274 (1996).

Charles Zhou and Ray T. Chen,  Polymer-based Volume Holograms for Multiple Wavelength Network Applications,  SPIE Photonics West, San Jose, CA, Feb, pp. 253-260(1996).

Charles Zhou,  Ray T. Chen,  Surface-normal  3x3 Non-blocking wavelength-selective crossbar for Network Applications,   OSA Topical Meeting on Holography,  Boston, MA,  May, HTUA-3, pp.78-81(1996).

Oleg Ershov, Feiming Li, Michael Dubinovsky, Ray T. Chen,  Diffraction patterns of Si-based polygonal gratings for 1-to-many optical interconnects , Integrated Photonics Research Topical Meeting, Boston, ItuD-4, pp.314-317(1996).

R. Lee and Ray T. Chen, 5-bit Optical true-time-delays based on substrate-guided mode combined with multiplexed holographic grating couplers,  Raytheon E-Systems Technology Exchange Seminar, Garland, TX. July 29-30, 1996.

Feiming Li, Michael Dubinovsky, Oleg Ershov, Linghui Wu, Ting Li, Suning Tang, and Ray T. Chen,  Grating-based surface-normal optoelectronic interconnects on Si substrate, SPIE conference on Optical Characterization of High-performance Microelectronic Devices, Austin, October 1996.

Ting Li, Suning Tang, Feiming Li, Micheal Dubinovsky, Linghui Wu, Randy Wickman, and Ray T. Chen,  Polymer waveguide based 1-GHz clock signal distribution system , SPIE s MM 96, Austin, October 1996.

Suning Tang, Ting Li, Feiming Li, Linghui Wu, Micheal Dubinovsky, Randy Wickman and Ray T. Chen,  1-GHz Clock Signal Distribution for Multi-processor Super Computers,  The third international conference on Massively Parallel Processing Using Optical Interconnections (IEEE/MPPOI 96), Maui, Hawaii, October 1996.

Ray T. Chen, Suning Tang, Ting Li , Feiming Li, Linghui Wu, andRandy Wickman,  Board-Level Optical Clock Signal Distribution Based on Guided Wave Optical Interconnects in Conjunction with Waveguide Holograms,  presented in Conference on Integrated Optoelectronics,  Photonics China, 1996.

Chunhe Zhao, Tchang-hun Oh and Ray T. Chen,  General purpose bi-directional optical backplane: high-performance bus for multiprocessor systems,  Proceedings of the second international conference on Massively Parallel Processing Using Optical Interconnections(MPPOI 95), October 1995

Chunhe Zhao and Ray T. Chen,  Performance consideration of free space optoelectronic interconnection for intra-MCM clock signal distribution,  Proceedings of SPIE-The International Society for Optical Engineering, Vo.2638, pp.202-210, October 1995.

Chunhe Zhao and Ray T. Chen,  Performance optimization of free-space optoelectronic interconnection for intra-MCM clock signal distribution,  SPIE  Proceedings Vol. 2638), Austin, Texas, Oct. 26, 1995.

Chunhe Zhao, Ray T. Chen, and Tchang-hun Oh,  General purpose bi-directional optical backplane bus,  2nd IEEE Computer Society International Conference on Massively Parallel Processing Using Optical Interconnections Conference, San Antonio, Texas, Oct. 23-24, 1995.

Ray T. Chen, Oleg Ershov and Luke Graham,  Polygonal gratings for wafer scale 1-to-many optical clock signal distribution,  SPIE Vol. 2638, Austin, Texas, Oct. 26, 1995.

Ray T. Chen,  Research trends in optoelectronic interconnects,  IEEE 2nd International Conference on Massively Parallel Processing using Optical Interconnections, San Antonio, 1995.

Meg Karakekes and Ray T. Chen,  Pioneering a Learning Partnership:  The University of Texas, SPIE, and the Federal Government Together Extend a Hand to Semiconductor Manufacturers,  SPIE s International Symposium on Optical Science, Engineering, and Instrumentation, 2525-48, San Diego, July 8-14, 1995.

Chunhe Zhao, Ray T. Chen and Srikanth Natarajan,  Optimization of Fan-out Intensity Distribution for Bi-directional Photopolymer-Hologram-Based Optical Backplane Bus,  SPIE Symposium on Optoelectronic Interconnects III, Vol 2400, pp. 252-258 (1995).

DeGui Sun, Naxin Wang, Liming He, Zhaoheng Weng, Daheng Wang and Ray T. Chen,  Optoelectronic interconnect architecture of parallel modified signed-digit adder and subtracter,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 277-285(1995).

Suning Tang and Ray T. Chen,  Integrated wavelength tunable filters based on resonant Mach-Zehnder interferometer,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 55-60(1995).

Srikanth Natarajan, Chunhe Zhao and Ray T. Chen,  General purpose bi-directional optical backplane bus,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 175-185 (1995)

Maggie M. Li, Ray T. Chen and Chunhe Zhao,  Five-Channel surface-normal wavelength division demultiplexer using substrate guided waves in conjunction with polymer-based Littrow hologram,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 109-114 (1995).

L. A. Graham, O. Ershov, S. Tang and Ray T Chen,  A novel Si substrate mode based wafer scale optical clock distribution architecture,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 140-145 (1995).

Suning Tang, Ray T. Chen, M. M. Li, S. Natarajan, R. Mayer, and L. A. Graham,  Compact surface-normal coupled optical interconnects with wavelength-division-demultiplexing capability,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 100-108 (1995).

Maggie M. Li, Suning Tang, and Ray T. Chen,  Three-dimensional guided-free-space multistage optoelectronic fanout interconnection using wavelength division multiplexing and space division multiplexing,  SPIE Symposium on Optoelectronic Interconnects III, Vol. 2400, pp. 24-31 (1995).

Ray T. Chen,  Limitations of Submicron Holographic Lithography,  Symposium on Optical Characterization Techniques for High-Performance Microelectronic Device Manufacturing, Austin Texas, Oct. 20,  Vol. 2337, pp. 138-142 (1994).

Dave Gerold and Ray T. Chen,  Vacuum-Tuned Graded Index Polymer Waveguides on Silicon Substrates,  Symposium on Optical Science and Engineering, San Diego, July, 1994, Vol. 2291, pp. 286-294 (1994).

Dave Gerold, Ray T. Chen, William A. Farone and David Pelka,  Poled Electrooptic Photolime Gel Polymer Doped with Chlorophenol Red and Bromomethyl Blue Chromophores,  Symposium on Optical Science and Engineering, San Diego, July 1994, Vol. 2291, pp. 351-360 (1994).

Luke Graham and Ray T. Chen,  Rare-Earth-Ion-Doped Polymeric Materials and Their Applications,  An invited Paper to the US Army Workshop on Rare Earth Doped Optoelectronic Material Workshop, Malibu, CA, June 16-17, 1994, p. 5.

Ray T. Chen et al.,  Electrical and Optical Interconnection and Assembly,  NIST workshop on Materials Metrology and Data for Commercial Electrical and Optical Packaging and Interconnection Technologies, Gaithersburg, MD, May 5-6, 1994, pp. 29-34.

Ray T. Chen et al.,  Optical,  NIST workshop on Materials Metrology and Data for Commercial Electrical and Optical Packaging and Interconnection Technologies, Gaithersburg, MD, May 5-6, 1994, pp. 41-47.

Suning Tang and Ray T. Chen,  Surface Normal 1-to-27 Optical Fanout Using Substrate Guided Waves in Conjunction with Two Dimensional Waveguide Hologram Array,  OSA Topical Meeting on Integrated Photonics Research, San Francisco, Feb 17-19, 1994, pp. 277-279.

Ray T. Chen,  Polymer-based Photonic Devices and Their Applications for Optoelectronic Interconnects,  An invited review paper to the 1994 International Conference on Solid State Devices and Materials, Sponsored by the Japan Society of Applied Physics, August 23 – 26, Yokohama, Kanagawa, Japan, 1994.

Suning Tang and Ray T. Chen,  Planar Formation of 3-D highly parallel optical fan-out interconnects for wafer scale optical clock signal distribution,  Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 78-85 (1994).

Ray T. Chen,  Guided Wave Optoelectronic Interconnects: Their Potential and Future Trends,  SPIE Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 196-199(1994).

Suning Tang, Ray T. Chen, Dave Gerold, M. M. Li, S. Natarajan, Jielun Lin, N. Chellappan and M. Peskin,  Design Consideration for High Packaging Density Optical Bus Array,  Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 227-235(1994).

Maggie M. Li, Ray T. Chen, Suning Tang and Dave Gerold,  Multiple Diffraction of Massive Fanout Optical Interconnects Based on Multiplexed Waveguide Holograms,  Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 278-287(1994).

Suning Tang, Ray T. Chen, Dave Gerold, Maggie M. Li, Chunhe Zhao, Srikanth Natarajan and Jielun Lin,  Design Limitations of Highly Parallel Free-space Optical Interconnects Based on Arrays of Vertical-Cavity Surface Emitting Laser Diodes, Microlenses and Photodetectors,  Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 323-333(1994).

Srikanth Natarajan, Ray T. Chen, Suning Tang and Robert A. Mayer,  High Speed Optical Backplane Bus with Modulation and Demodulation Capabilities,  Symposium on Optoelectronic Interconnects, Vol. 2153, pp. 344-351(1994).

Ray T. Chen,  Nd3+-Doped Graded Index Single-Mode Polymer Waveguide Amplifier Working at 1.06 and 1.32 ?m,  SPIE Symposium on Optical Amplifiers for High-Speed Applications, Vol.2149 (1994).

Dave Pelka, Ray T. Chen and Dave Gerold,  A Wide Band Highly Conjugated, Non-Centrosymmetric (HCNC) Guest/Host Nonlinear Polymer,  1994, Final Report to Army Space and Strategic Defence Command.  Contract No. DASG60-93-C-0093.

Ray T. Chen and Yoon Soo Park,  Polymer-based Photonic Integrated Circuits for Optical Signal Processing and Interconnect Applications,  Invited Paper to the Second Army Workshop on Integrated Optics for Military and Commercial Applications, Vol. RD-AS-94-9, Huntsville, Al, Dec 7-9, 1993, pp. 147-158.

Ray T. Chen, Chuan Lin, Z. Z. Ho and Dan Robinson,  Graded Index Polymer Waveguide Amplifier Working at l = 1.06 mm,  Post deadline Paper, OSA/IEEE Topical Meeting on Integrated Photonics Research, PD9-1-PD9-5, Palm Springs, California, March 22-24, 1993.

Ray T. Chen,  Graded-Index Single-mode Polymer Waveguide Hologram on GaAs Substrate for Near-infrared twelve-channel Wavelength Division Demultiplexer,  OSA/IEEE Topical Meeting on Integrated Photonics Research, IME-5, Palm Springs, California, March 22-24, 1993.

Suning Tang, Ray T. Chen and Mark Peskin,  System Limitations Due to Channel Cross-coupling in a Highly Parallel Polymer-based Single-mode Channel Waveguide Array,  Proc. SPIE, Vol. 2042, pp. 175-185 (1993).

Ray T. Chen, Maggie Li, Suning Tang and Dave Gerald,  Nd+3-Doped Graded Index Single-mode Polymer waveguide Amplifier working at 1.06 and 1.32 mm,  Proc. SPIE, Vol. 2042, pp. 462-463 (1993).

Mark Peskin and Ray T. Chen,  Thirteen Channel Wavelength Division Demultiplexer based on Polymer Waveguide Holograms,  Proc. SPIE, Vol. 2042, pp. 464-473 (1993).

Ray T. Chen, Maggie Li, Suning Tang, Dave Gerald and Mark Peskin,  Polymer-based Chirped Grating Lens Working at Visible Wavelengths on a GaAs Substrate,  Proc. SPIE, Vol. 2042, pp. 474-477 (1993).

Ray T. Chen, Suning Tang, Gajendra Savant and Tomasz Jannson,  Compression-Molded Polymer Based Optical Bus,  SPIE Symposium on Optoelectronic Interconnects, Vol. 1849, pp. 59-67 (1993).

Shih and Ray T. Chen,  Polymer-based Channel Waveguide Array for Large Fanout Optical Interconnects,  SPIE Symposium on Optoelectronic Interconnects, Vol. 1849, pp. 86-91 (1993).

Ray T. Chen,  Architecture and Building Blocks for VME Optical Backplane Bus,  SPIE Symposium on Optoelectronic Interconnects, Vol. 1849, pp. 196-208(1993).

Ray T. Chen,  Building Blocks for a 10x10 Crossbar Switch based on GaAs/GaAlAs Channel Waveguide Array,  SPIE Symposium on Optoelectronic Interconnects, Vol. 1849, pp. 325-335 (1993).

Ray T. Chen,  Polymer-based Guided-Wave Devices and Their Applications,  Invited Paper on the Symposium of Polymeric Materials for Electro-optic Applications, THE RANK PRIZE FUNDS, London, 7th to 10th December, 1992, Vol.4, pp. 1-2.

Ray T. Chen, L. Sadovnik and T. Jannson,  Holographic Lithography for Large Flat Panel Display Screen Fabrication,  IEEE/OSA CLEO 92.

Tomasz Jannson, Ray T. Chen and Freddie Lin,  Optoelectronic Chips and Multi-chip Modules,  IEEE and Electronic Industries Association, 42nd Electronic Components and Technology Conference, 92-P003.

R. Shih, Ray T. Chen and Z. Z. Ho,  Traveling-Wave Modulator using a Gelatin-based EO Polymer Waveguide,  Proc. SPIE, Vol. 1774, pp. 111-117 (1992).

Ray T. Chen, Cross-link Induced Linear and Curved Polymer Channel Waveguide Arrays for Massively Parallel Optical Interconnects, Proc. SPIE, Vol. 1774, pp. 103-110 (1992)

R. Shih and Ray T. Chen,  Graded Index Polymer Channel Waveguide Array for Backplane Optical Interconnects,  Proc. SPIE, Vol. 1774, pp. 97-102 (1992).

Ray T. Chen, Z. Z. Ho and Dan Robinson,  Graded Index Polymer Waveguide Amplifier Working at l=1.06?m,  Post Deadline Paper, Proc. SPIE, Vol. 1774, pp. 87-96 (1992).

Z. Z. Ho, Ray T. Chen, B. Borhani and Robert Shih,  Electrooptic Effect in Gelatin-based Nonlinear Polymer,  Proc. SPIE, Vol. 1774, pp. 261-266 (1992).

Ray T. Chen, Dan Robinson and Robert Shih,  Single-Mode Optically Activated Phase Modulator on GaAs/GaAlAs Compound Semiconductor Channel Waveguides,  Proc. SPIE, Vol. 1794, pp. 101-116 (1992).

Ray T. Chen,  Graded-Index Single-Mode Polymer Waveguide Hologram on GaAs Substrate for Near-Infrared Twelve-Channel Wavelength Division Demultiplexer,  Proc. SPIE, Vol. 1794, pp. 405-409 (1992).

Ray T. Chen and J. Jannson,  Single and Multiplexed Polymer-based Chirped Grating Lenses working at 632.8nm on a Semi-insulating GaAs Substrate,  1992, OSA Annual Meeting, WW1.

T. Jannson, Ray T. Chen and J. Harsh,  Optoelectronic Chip Module,  1992, OSA Annual Meeting, TW1.

M. R. Wang, Ray T. Chen and G. J. Sonek,  Four-Channel Wavelength Demultiplexer Using Polymer Microstructure Waveguides,  1991, OSA Topical Meeting on Integrated Photonics Research, TuD10, p. 77.

Ray T. Chen, Lev Sadovnik, Daniel Robinson, Tomasz Jannson and Joanna Jannson,  Heterostructure Collinear Graded Index Polymer Waveguide Modulator,  1991 OSA/IEEE Topical Meeting on Integrated Photonic Research, Thj2, p. 132.

Ray T. Chen, M. R. Wang, H. Liu and Daniel Robinson,  High Transmission Bandwidth Graded Index Polymer Waveguide,  1991 OSA/IEEE Topical meeting on GRIN Optical Systems, MB5-1, pp. 43-46.

Ray T. Chen, H. Lu and T. Jannson,  Eight-Channel Wavelength Division Demultiplexer Using Multiplexed GRIN Polymer Waveguide Hologram,  1991 post-deadline paper for OSA/IEEE Topical Meeting on GRIN Optical Systems, PD2-1.

Vladimir A. Manasson, Lev S. Sadovnik and Ray T. Chen,  Heterostructure Photosensitive Memory,  SPIE Proc., Vol. 1559, pp. 194-201(1991).5 Ray T. Chen and Lev Sadovnik,  Collinear Asymmetrical Polymer Waveguide Modulator,  SPIE Proc., Vol. 1559, pp. 449-460 (1991).

Lev Sadovnik, Olga Demichovskaya and Ray T. Chen,  Nonlinear Optical Processing Using Phase Grating,  SPIE Proc., Vol. 1545, pp. 200-208 (1991).

Ray T. Chen, Huey Lu, Dan Robinson and Michael R. Wang,  Ten Channel Single-Mode Wavelength Division Demultiplexer in Near IR,  SPIE Proc., Vol. 1583, pp. 135-142 (1991).

Ray T. Chen, Dan Robinson, Huey Lu, Lev Sadovnik and Zonh-Zen Ho,  Indium Tin Oxide Single-Mode Waveguide Modulator,  SPIE Proc., Vol. 1583, pp. 362-374 (1991).

T. Jannson and Ray T. Chen,  Erasable Waveguide Lenses,  1991 OSA Annual Meeting, WL37.

Z. Sun, H. Lu, Ray T. Chen and T. Jannson,  High Speed, Wide Band Board to Board Optical Interconnection,  1991 OSA Annual Meeting, ThMM3.

Ray T. Chen, Huey Lu, Dan Robinson, , David Plant and Harold Fetterman,  High speed Board to Board Optical Interconnection,  Post deadline paper, Proc. SPIE, Vol. 1559, pp. 110-117 (1991).

T. Jannson and Ray T. Chen,  VLSI Optical Interconnects Based on Multiplexed Bragg Planar Holography,  1991, Final Report to DARPA, Contract No. DAAH01-89-C-0164.

Ray T. Chen,  Optical Control of Microwave and Signal Processing Using Integrated Optical Circuits,  1991, Final Report to Harry Diamond Lab, Contract No. DAAL01-91-C-0034.

Ray T. Chen,  Polarization Sensitive Electrooptic and All-Optic Waveguide Modulator on Indium Tin Oxide Film,  1991, Final Report to National Science Foundation, Contract No. IST 9060833.

Ray T. Chen,  Polymer-based Optical Data Bus for Highly Parallel System-wide Communications,  1991, Final Report to Department of Energy, Contract No. DE F03-91-ER81255.

Ray T. Chen,  Microprism Array for Large-scale, Wide-band Interconnection for Optoelectronic Systems,  1991, Final Report to SDIO/IST and ARO, Contract No. DAAL03-91-0030.

Ray T. Chen,  An Optically Activated Modulator on GaAs/GaAlAs Compound Semiconductor Channel Waveguide,  1991, Final Report to AFOSR and SDIO/IST, Contract No. F49620-90-C-0068.

Ray T. Chen and Lev Sadovnik,  Nonlinear Transformation using Halftones,  1990, Draft Final Report. Contract No. N60921-90-C-0259. 

Ray T. Chen,  Polymer Gelatin Waveguide Modulator,  1990, Final Report to National Science Foundation, Contract No. ISI-8961123.

Ray T. Chen,  Submicron Holographic Lithography for the 1990 s,  March 1990.  (Invited Paper) SPIE OE Reports, p. 1.

Ray T. Chen,  Optical Interconnects:  A Solution to Very High Speed Integrated Circuits and Systems,  (Invited Paper).  SPIE Proc. On Integrated Optics and Optoelectronics, Vol. 1374, pp. 162-175 (1990).

Ray T. Chen, Lev Sadovnik, Tin M. Aye and Tomasz Jannson,  Holographic Lithography for Microcircuits,  SPIE Proc., Vol.1212, pp. 290-296 (1990).

Ray T. Chen, Tin M. Aye, Lev Sadovnik, David Pelka and Tomasz Jannson,  Microcircuit Lithography Using Holographic Imaging,  SPIE Symposium on Microlithography, Vol. 1264, pp. 343-349 (1990).

Ray T. Chen, Michael R. Wang, Tomasz Jannson and Robert Baumbick,  Multiple-Mode Reconfigurable Electro-Optic Switching Network for Optical Fiber Sensor Array,  SPIE Proc., Vol. 1374, pp. 223-236 (1990).

Ray T. Chen, Michael R. Wang and G. J. Sonek and Tomasz Jannson,  Polymer Microstructure Waveguides on Various Substrates for Optical Interconnection and Communication,  SPIE Proc., Vol. 1213, pp. 100-110 (1990).

M. R. Wang, Ray T. Chen, G. J. Sonek, T. Jannson and H. T. Lu,  Wavelength Division Demultiplexing in the Near Infrared using Holographically Processed Polymer Microstructure Waveguides,  SPIE Proc., Vol.1347, pp. 560-565 (1990).

Ray T. Chen, Michael R. Wang, Tomasz Jannson and Robert Baumbick,  Reconfigurable Switching Network for Multimode Fiber Arrays,  SPIE Proc., Vol. 1338, 69-81 (1990).

Ray T. Chen, L. Sadovnik and T. Jannson,  Polymer Waveguide Modulator,  1990 OSA Annual Meeting, FU410E14.4, Boston.

Ray T. Chen, Michael R. Wang, Freddie Lin and Tomasz Jannson,  Thick Phase Hologram for Optical Clock Distribution Application on Wafer Scale Integrated Circuits,  SPIE Proc., Vol. 1213, pp. 27-31 (1990).

Ray T. Chen,  The Development of Holographic Rugate Coatings for High Energy Chemical Lasers,  1989, Final Report to J. B. S. Technologies, Incorporated.

Ray T. Chen,  Holocrystal Dynamic Scanner for Space Communications,  1989, Final Report to Army Strategic Defence Command, Contract No. DASG60-89-C-0034.

Ray T. Chen,  Polymer Gelatin Microstructure Waveguides in Conjunction with HOE for Optoelectronics and VLSI Optical Interconnects,  1989, Final Report to SDIO, Contract No. DASG60-90-C-0018.

Ray T. Chen,  Multiple-Mode Optical Switching Array for Fiber Optic Networks,  1989, Final Report to Air Force Wright Research and Development Center, Contract No. F33657-89-C-2208.

Ray T. Chen,  Holographic Lithography for Microcircuits,  1989, Final Report to Air Force Wright Research and Development Center, Contract No. F33615-89-C-1093.

Ray T. Chen,  Polymer Gelatin Microstructure Waveguides in Conjunction with HOE for Electronics and VLSI Optical Interconnects,  1989, Final Report to Army Strategic defence Command and Strategic Defence Initiative Office, Contract No. DASG60-89-C-0053.

Ray T. Chen,  LiNbO3 Channel Waveguide Mode Annihilation Switching Array and its Applications,  SPIE Proc., Vol. 1154, pp. 235-243 (1989).

Ray T. Chen and Michael R. Wang,  Integrated TE to TM Depolarization Modulator on LiNbO3 Proton-Exchanged Channel Waveguides,  SPIE Proc., Vol. 1166, pp. 493-502 (1989).

Ray T. Chen,  Polymer Gelatin Waveguide in Conjunction with Integrated Holographic Optical Elements on GaAs, LiNbO3, Glass, and Aluminum Substrates for Optical Interconnects, Signal processing, and Computing,  SPIE Proc., Vol. 1151, pp. 60-71 (1989).

Ray T. Chen, William Phillips, Tomasz Jannson and David Pelka,  Integration of Polymer Waveguides with HOE on GaAs, LiNbO3, Glass and Aluminum Substrates to Provide massive Fan Out (104/node) Optical Interconnects for Computing,  1989, Post deadline Paper, IEEE/OSA Topical Meeting on Optical Computing, PD-1, Post conference edition, Vol.9, pp. 425-428.

Lei Lin, C. Choi, Y. Liu and Ray Chen,  A hybrid integration on 1x12 MSM (metal-semiconductor-metal) photo-detector and polyimide waveguide array,  Optical Review (In Press, this is a Japanese Journal).

Investigation of two-step K+-Na+ and Ag+-Na+ ion-exchanged glass waveguides for C-band applications, Jizuo Zou, Feng Zhao, Ray T. Chen, Applied Optics (In Press)