Collection of  Papers for Optical Interconnect Group

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


Journals or Letters (2000-present) 2018 2017 2016 2015 2014  2013  2012  2011  2010  2009  2008  2007  2006  2005  2004  2003  2002  2001  2000  Prior to 2000

Conferences (2000-present) 2018  2017 2016  2015  2014  2013  2012  2011  2010  2009  2008  2007  2006  2005  2004  2003  2002  2001  2000  Prior to 2000

2018

Xiaochuan Xu, Chi-Jui Chung, Zeyu Pan, Hai Yan and Ray T. Chen, “Periodic waveguide structures for on-chip modulation and sensing” Japanese Journal of Applied Physics, 57, 8S2, (2018).

Zhoufeng Ying, Shounak Dhar, Zheng Zhao, Chenghao Feng, Rohan Mital, Chi-Jui Chung, David Z. Pan, Richard A. Soref, Ray T. Chen, “Electro-Optic Ripple-Carry Adder in Integrated Silicon Photonics for Optical Computing”, IEEE Journal of Selected Topics in Quantum Electronics, 24, 6, id. 2836955, (2018).

Farzad Mokhtari-Koushyar, Elham Heidari, Hamed Dalir, Chi-Jui Chung, Xiaochuan Xu, Volker J. Sorger, Ray T. Chen “Wideband Multi-Arm Bowtie Antenna for Millimeter Wave Electro-Optic Sensors and Receivers”, Journal of Lightwave Technology, 36 ,16 , (2018).

Derong Liu, Zheng Zhao, Zheng Wang, Zhoufeng Ying, Ray T. Chen, David Z. Pan, "OPERON: Optical-electrical Power-efficient Routing Synthesis for On-chip Signals", DAC'18, (2018).

Zheng Zhao, Zheng Wang, Zhoufeng Ying, Shounak Dhar, Ray T. Chen, and David Z. Pan, "Logic Synthesis for Energy-Efficient Photonic Integrated Circuits, " IEEE/ACM Asian and South Pacific Design Automation Conference (ASPDAC), Jeju, Korea, Jan. 22-25, (2018).

Xianghai Meng, Yongjian Zhou, Ke Chen, Wenzhi Wu, Jung-Fu Lin, Ray T. Chen, Xiaochuan Xu, Yaguo Wang"Anisotropic Saturable and Excited State Absorption in Bulk ReS2," Advanced Optical Material (Accepted) (2018).

Yi Zou, Swapnajit Chakravarty, Chi-Jui Chung, Xiaochuan Xu, and Ray T. Chen, "Mid-infrared silicon2018-MIRReview.pdf photonic waveguides and devices [Invited]," Photon. Res. 6, 254-276 (2018).

Zeyu Pan, Xiaochuan Xu, Chi-Jui Chung, Hamed Dalir, Hai Yan, Ke Chen, Yaguo Wang, Baohua Jia, and Ray T. Chen, "High-speed modulator based on electro-optic polymer infiltrated subwavelength grating waveguide ring resonator," Laser Photonics Rev. (2018).

Zhoufeng Ying, Zheng Wang, Zheng Zhao, Shounak Dhar,David Z. Pan, Richard Soref, and Ray T. Chen “Comparison of microrings and microdisks for high-speed optical modulation in silicon” Appl. Phys. Lett. 112, 111108 (2018).

Hamed Dalir, Farzad Mokhtari-Koushyar, Iman Zand, Elham Heidari, Xiaochuan Xu,Zeyu Pan, Shuai Sun, Rubab Amin, Volker J. Sorger, and Ray T. Chen "Atto-Joule, High-Speed, Low-Loss Plasmonic Modulator based on Adiabatic Coupled Waveguides" Nanophotonics Journal (2018).

Iman Zand, Hamed Dalir, Ray T. Chen, and Jonathan P. Dowling. "Selective almost-perfect light absorption by graphene monolayer using aperiodic multilayer microstructures." Applied Physics Express (2018).

Erwen Li, Qian Gao, Ray T. Chen, and Alan X. Wang. "Ultra-Compact Silicon-Conductive Oxide Nano-Cavity Modulator with 0.02 Lambda-Cubic Active Volume." Nano letters (2018).

C.-J. Chung, X. Xu, Z. Pan, F. Mokhtari-Koushyar, R. Wang, H. Yan, et al., "Silicon-based Hybrid Integrated Photonic Chip for Ku band Electromagnetic Wave Sensing," Journal of Lightwave Technology, 2017, vol. PP, no. 99, pp. 1-1.

C.-J. Chung, X. Xu, G. Wang, Z. Pan and R. T. Chen, " On-chip optical true time delay lines featuring one-dimensional fishbone photonic crystal waveguide," Applied Physics Letters, vol. 112, p. 071104, 2018.

Zhoufeng Ying, Zheng Wang, Zheng Zhao, Shounak Dhar, David Z. Pan, Richard Soref, and Ray T. Chen, "Silicon microdisk-based full adders for optical computing," Opt. Lett. 43, 983-986 (2018)

Chun-Yu Chen, Nen-Wen Pu, Yih-Ming Liu, Li-Hang Chen, Chia-Hung Wu, Tsai-Yi Cheng, Ming-Hsien Lin, Ming-Der Ger, Yann-Jang Gong, You-Yu Peng, Peter M. Grubb, Ray T. Chen, "Microwave absorption properties of holey graphene-silicon rubber composites," Composites Part B, 135, 119-128, 2018.

2017

Zheng Zhao, Zheng Wang, Zhoufeng Ying, Shounak Dhar, Ray T. Chen, and David Z. Pan, "Optical computing on silicon-on-insulator-based photonic integrated circuits, " IEEE International Conference on ASIC (ASICON), Guiyang, China, Oct. 25-28, 2017. (Invited Paper)

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.

Yongqiang Hei, Jiao Liu, Huaxi Gu, Wentao Li, Xiaochuan Xu and Ray T. Chen, "Improved TKM-TR methods for PAPR reduction of DCO-OFDM visible light communications," Optics Express, vol.25, pp.24448-24458, 2017.

Xiaochuan Xu, Xiaorui Zheng, Feng He, Zheng Wang, Harish Subbaraman, Yaguo Wang, Baohua Jia and Ray T Chen, "Observation  of Third-order Nonlinearities in Graphene Oxide Film  at Telecommunication Wavelengths," Scientific Report, 7, 9646, 2017.

H. Yan; C. J. Yang; N. Tang; Y. Zou; S. Chakravarty; A. Roth; R. T. Chen, "Specific Detection of Antibiotics by Silicon On-chip Photonic Crystal Biosensor Arrays," in IEEE Sensors Journal , vol.PP, no.99, pp.1-12017.

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

G Karve, B Bihari, RT Chen, Demonstration of optical gain at 1.06 μm in a neodymium-doped polyimide waveguide, Applied Physics Letters 77 (9), 1253-1255, 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)

2018

Zeyu Pan, Xiaochuan Xu, Chi-Jui Chung, Hamed Dalir, Hai Yan, Ke Chen, Yaguo Wang, Baohua Jia, and Ray T. Chen, "High-speed silicon-organic hybrid modulator enabled by sub-wavelength grating waveguide ring resonator," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper SM1I.2.

Erwen Li, Qian Gao, Ray T. Chen, and Alan X. Wang, "Silicon-conductive oxide nano-cavity modulator with extremely small active volume," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper SM1I.3.

Rui Wang, Hamed Dalir, Farzard Mokhtari-Koushyari, Xiaochuan Xu, Zeyu Pan, Shuai Sun, Volker J. Sorger, and Ray T. Chen, "Ultra-Fast Compact Plasmonic Modulator based on Adiabatic Coupled Waveguides," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper SM1I.6.

Swapnajit Chakravarty, Jason Midkiff, Chi-Jui Chung, Ali Rostamian, Joel Guo, and Ray Chen, "Polarization Rotator in Low Index Contrast Substrates for Mid-Infrared Photonic Integration," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper JW2A.40.

Swapnajit Chakravarty, Jason Midkiff, Ali Rostamian, Joel Guo, and Ray T. Chen, "Monolithic Integration of Quantum Cascade Laser, Quantum Cascade Detector and Slotted Photonic Crystal Waveguide for Absorbance Sensing from λ=3–15μm," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper STh1B.4.

Ali Rostamian, Joel Guo, Swapnajit Chakravarty, Chi-Jui Chung, Duy Nguyen, and Ray T. Chen, "Parts-Per-Billion Carbon Monoxide Sensing in Silicon-on-Sapphire Mid-Infrared Photonic Crystal Waveguides," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper ATh1O.4.

Chi-Jui Chung, Xiaochuan Xu, Gencheng Wang, Zeyu Pan, and Ray T. Chen, "Ultra-Compact Optical True Time Delay Lines Featuring Fishbone-Like One-Dimensional Photonic Crystal Waveguide," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper JTh4D.4.

Zhoufeng Ying, Zheng Wang, Zheng Zhao, Shounak Dhar, David Z. Pan, Richard Soref, and Ray T. Chen"Microdisk-Based Full Adders for Optical Computing in Silicon Photonics," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper SF1A.3.

Joel Guo, Ali Rostamian, Swapnajit Chakravarty, Hai Yan, Chi-Jui Chung, Elham Heidari, and Ray Chen"Mid-Infrared Silicon-on-Sapphire Polarization Rotator," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper SF3J.6.

Zhoufeng Ying, Zheng Wang, Shounak Dhar, Zheng Zhao, David Z. Pan, and Ray T. Chen. "Microresonator-based electro-optic full adder for optical computing in integrated photonics" In Optical Interconnects XVIII, vol. 10538, p. 1053803. International Society for Optics and Photonics, (2018).

Zheng Wang, Zhoufeng Ying, Shounak Dhar, Zheng Zhao, David Z. Pan, and Ray T. Chen. "Silicon-photonics-based carry-ripple adder towards future optical computing” In Silicon Photonics XIII, vol. 10537, p. 105370E. International Society for Optics and Photonics, (2018).

Chi-Jui Chung; Xiaochuan Xu; Farzad Mokhtari-Koushyar; Ray T. Chen “On-chip microwave photonic sensor featuring silicon-polymer hybrid subwavelength grating waveguide and bowtie antenna” Proc. SPIE 10535, Integrated Optics: Devices, Materials, and Technologies XXII, 105350G (2018).

Peter Mack Grubb, Wentao Li, Farzad Mokhtari-KoushyarRay T. Chen, "All inkjet printed frequency steered phased array antennas with multi angle receiving demonstrated via simulation", Proceedings of SPIE Vol. 10523, 105230T (2018).

Iman Zand; Hamed Dalir; Elham Heidari; Fazard Mokhtari-Koushyar; Volker Sorger; Ray T. Chen “Ultra-dense ultra-high speed optical waveguides with sub-wavelength spacing”Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 1052618 (2018). 

Elham HeidariXiaochuan Xu, Naimei Tang, Farzad Mokhtari-KoushyarHamed DalirRay T. Chen, "ultrasensitive spectroscopy based on photonic waveguides on Al2O3/SiO2 platform", Proceedings of SPIE Vol. 10501, 105011D (2018). 

Zeyu PanXiaochuan XuChi-Jui ChungHamed DalirHai Yan, Ke Chen, Yaguo Wang, Baohua JiaRay T. Chen, "High-speed modulator based on electro-optic polymer infiltrated subwavelength grating waveguide ring resonator", Proceedings of SPIE Vol. 10538, 105381E (2018).

Farzad Mokhtari-Koushyar, Elham Heidari, Hamed Dalir, Iman Zand, Shuai Sun, Volker J. Sorger, Ray T. Chen, "Low-loss high-speed plasmonic optical modulator based on adiabatic waveguides", Proceedings of SPIE Vol. 10538, 105381A (2018).

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 metall