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H. Xie, Y. Liu, Y. Wang, Y. Wang, Y. Yao, Q. Song, J. Du, Z. He, K. Xu*,"An Ultra-Compact 3-dB Power Splitter for Three Modes based on Pixelated Meta-structure," Photonics Technology Letters,32(4),341,2020.
H. Xie, Y. Liu, S. Wang, Y. Wang, Y. Yao, Q. Song, J. Du, Z. He, K. Xu*,"Highly Compact and Efficient Four-mode Multiplexer based on Pixelated Waveguides," Photonics Technology Letters,32(2),166,2020.
Y. Liu, H. Wang, S. Wang, Y. Wang, Y. Wang, Z. Guo, S. Xiao, Y. Yao, Q. Song, H. Zhang, Ke Xu*,"Highly Efficient Silicon Photonic Microheater Based on Black Arsenic–Phosphorus," Advanced Optical Materials,1901526,2020.
L. Sun, J. Du, J. Liu, B. Chen, K. Xu, B. Liu, C. Lu, Z He,"Intelligent 2-Dimensional Soft Decision Enabled by K-Means Clustering for VCSEL-Based 112-Gbps PAM-4 and PAM-8 Optical Interconnection," J. Lightwave Technology,37(24),6133-6146,2019.
Q. Wu, Z. Zou, Y. Yao, J. Shi, C. Wu, Y. Yang, J. Tian, Ke Xu,"Femtosecond Soliton Erbium-Doped Fiber Laser With a Symmetrical GIMF–SIMF–GIMF Saturable Absorber," Photonics Journal, 11(6),1-9,2019.
Y. Liu, S. Wang, Y. Wang, W. Liu, H. Xie, Y. Yao, Q. Song, X. Zhang, Yu Yu, Ke Xu*,"Subwavelength polarization splitter–rotator with ultra-compact footprint," Optics Letters, 44(18),4495-4498, 2019.
C Wang, J Du, G Chen, H Wang, L Sun, K Xu, B Liu, Z He,"QAM classification methods by SVM machine learning for improved optical interconnection," Optics Communications,444, 1-8,2019.
Y. Liu, K. Xu*, S. Wang, W. Shen, H. Xie, Y. Wang, S. Xiao, Y. Yao, J. Du, Z. He, and Q. Song, "Arbitrarily routed mode-division multiplexed photonic circuits for dense integration," Nature Communications, 10（1）,1-7， 2019.
L. Sun, J. Du, K. Xu, B. Liu, and Z. He, "Enabling equalization and soft decision by k-means for VCSEL based PAM-4 optical interconnection," IEEE Photonics Journal, in press, 2019.
W. Zhou, Z. Cheng, X. Chen, K. Xu, X. Sun, and H. K. Tsang, "Subwavelength engineering in silicon photonic devices," J. Sel. Topics in Quantum Electronics, 25(3), 1-13, 2019.
L. Sun, J. Du, C. Wang, Z. Li, K. Xu, and Z. He, "Frequency-resolved adaptive probabilistic shaping for DMT-modulated IM-DD optical interconnect," Opt. Express, 27 (9), 12241-12254, 2019.
C. Wang, J. Du, G. Chen, H. Wang, L. Sun, K. Xu, B. Liu, and Z. He, "QAM classification methods by SVM machine learning for improved optical interconnection," Opt. Comm., 444 (1), 1-8, 2019.
L. Sun, C. Wang, J. Du, C. Liang, W. Zhang, K. Xu, F. Zhang, and Z. He, "Dyadic probabilistic shaping of PAM-4 and PAM-8 for cost-effective VCSEL-MMF optical interconnection," Photon. J., 11 (2), 7202611, 2019.
K. Xu*, H. Li, Y. Liu, Y. Wang, J. Tian, L. Wang, and Q. Song, "Optical fiber humidity sensor based on water absorption peak near 2-um waveband," IEEE Photon. Journal, 11 (2), 7101308, 2019.
Yingjie Liu, Wenzhao Sun, Hucheng Xie, Nan Zhang, Ke Xu, Yong Yao, Shumin Xiao, and Qinghai Song, “Adiabatic and Ultra-Compact Waveguide Tapers based on Digital Metamaterials,” J. Selected Topics in Quantum Electronics, 25(3), 1-6, 2019.
K. Xu, Y. Xie, H. Xie, Y. Liu, Y. Yao, J. Du, Z. He, and Q. Song, "High-speed traveling-wave modulator based on graphene and microfiber," J. Lightwave Technology, in press, 2018.
H. Xie, Y. Liu, W. Sun, Y. Wang, K. Xu, J. Du, Z. He, and Q. Song, "Inversely Designed 1 × 4 Power Splitter With Arbitrary Ratios at 2-μm Spectral Band," Photonics Journal, 10(4), 1-6, 2018.
G Chen, J Du, L Sun, L Zheng, K Xu, HK Tsang, X Chen, GT Reed, Z He, "Machine Learning Adaptive Receiver for PAM-4 Modulated Optical Interconnection Based on Silicon Microring Modulator," J. Lightwave Technology, 36(18), 4106-4113, 2018.
Y Liu, W Sun, H Xie, N Zhang, K Xu, Y Yao, S Xiao, Q Song, “Very sharp adiabatic bends based on an inverse design,” Optics Letters, 43 (11), 2482-2485, 2018.
J Du, L Zheng, K Xu, G Chen, L Ma, Y Liu, Z He, “High speed and small footprint silicon micro-ring modulator assembly for space-division-multiplexed 100-Gbps optical interconnection,” Optics Express, 26 (11), 13721-13729, 2018.
S Liu, W Sun, Y Wang, X Yu, K Xu, Y Huang, S Xiao, Q Song, “End-fire injection of light into high-Q silicon microdisks,” Optica, 5 (5), 612-616, 2018.
J Li, Y Liu, Y Meng, K Xu, J Du, F Wang, Z He, Q Song, “2-um Wavelength Grating Coupler, Bent Waveguide, and Tunable Microring on Silicon Photonic MPW,” IEEE Photon. Technol. Lett., 30 (5), 471-474, 2017.
G. Chen, J. Du, L. Sun, W. Zhang, K. Xu, X. Chen, G. T. Reed, and Z. He, "Nonlinear distortion mitigation by machine learning of SVM classification for PAM-4 and PAM-8 modulated optical interconnection," J. Lightwave Technology, 36 (3), 650-657, 2017.
X. Wu, C. Huang, K. Xu, W. Zhou, C. Shu, and H. K. Tsang, "3×104 Gb/s Single-λ Interconnect of Mode-Division Multiplexed Network with a Multicore Fiber," J. Lightw. Technol., 36 (2), 318-324, 2017.
X. Wu, K. Xu, W. Zhou, C. W. Chow, and H. K. Tsang, "Scalable Ultra-wideband Pulse Generation based on Silicon Photonic Integrated Circuits," IEEE Photon. Technol. Lett., 29 (21), 1896-1899, 2017.
J. Li, K. Xu, J. Du, "Ultrabroadband and Flattened Dispersion in Aluminum Nitride Slot Waveguides," IEEE Photonics Journal, 9 (4), 2017.
X. Wu, C. Huang, K. Xu, C. Shu, and H. K. Tsang, "Mode-Division Multiplexing for Silicon Photonic Network-on-Chip," J.Lightw. Technol., 35 (15), 2017.
K. Xu, Q. Wu, Y. Xie, M. Tang, S. Fu, and D. Liu, "High speed single-wavelength modulation and transmission at 2 μm under bandwidth-constrained condition," Opt. Express, 25(4), 4528-4534, 2017.
K Xu, L Liu, X Wen, W Sun, N Zhang, N Yi, S Sun, S Xiao, Q Song, "Integrated photonic power divider with arbitrary power ratios," Opt. Lett., 42(4), 855-858, 2017.
J Li, J Du, L Ma, MJ Li, K Xu, Z He, "Second-order few-mode Raman amplifier for mode-division multiplexed optical communication systems," Opt. Express, 25(2), 810-820, 2017.
X. Wen, K. Xu*, Q. Song, "The design of barcode-like waveguide nanostructure for efficient chip-fiber coupling," Photonics Research, 4(6), 209-213, 2016.
C Zhang, K Wang, N Yi, Y Gao, M Zhu, W Sun, S Liu, K Xu, S Xiao, and Q. Song, "Improving the Performance of a CH3NH3PbBr3 Perovskite Microrod Laser through Hybridization with Few‐Layered Graphene," Advanced Optical Materials, 4(12), 2057-2062, 2016.
K. Xu et al, "Advanced modulation for short-reach IM/DD optical interconnection at 2 μm wavelength," IEEE Photon. Journal, 8(5), 1-7, 2016.
X. Wu, C. Huang, K. Xu, C. Shu, and H. K. Tsang, "128 Gb/s line rate OFDM Signal Modulation Using an Integrated Silicon Microring Modulator," IEEE Photon. Technol. Lett., 28(19), 2058-2061, 2016..
S. Liu, K. Xu*, Q. Song, Z. Cheng, and H. K. Tsang, "Design of mid-infrared electro-optic modulators based on aluminum nitride waveguides," J. Lightwave Technology, 34 (16), 3837-3842, 2016.
B. Guo, Y. Yao, P. G. Yan, K. Xu, J. J. Liu, S. G. Wang, Y. Li and Y. M. Sun, "Dual-wavelength soliton mode-locked fiber laser with a WS2-based fiber taper," IEEE Photon. Technol. Lett., 28 (3), 323-326, 2015.
K. Xu, X. Wu, Y.-Y. Sung, Z. Cheng, C. W. Chow, Q. H. Song and H. K. Tsang, "Amplitude and Phase Modulation of UWB Monocycle Pulses on a Silicon Photonic Chip," IEEE Photon. Technol. Lett., 28 (3), 248-251, 2015.
Shuai Liu, Zhiyuan Gu, Nan Zhang, Kaiyang Wang, Shumin Xiao, Quan Lyu, and Qinghai Song, "Deformed microdisk based end-fire injection & collection resonant device," J. Lightwave Technology, 33 (17), 3698-3703 2015.
Linghai Liu, Ke Xu, Xi Wan, Jianbin Xu, Chi Yan Wong, and Hon Ki Tsang, "Enhanced optical kerr nonlinearity of mos2 on silicon waveguides," Photonics Research, vol. 3, no.5, pp.206-209, 2015.
Prior to HITSZ
K. Xu, J. Y. Sung, C. Y. Wong, Z. Cheng, C. W. Chow, and H. K. Tsang, “Optical Nyquist Filters based on Silicon Coupled Resonator Optical Waveguides,” Optics Communications, vol. 329, no. 15, pp. 23-27, Oct. 2014.
J.-Y. Sung, C. W. Chow, C.-H. Yeh, K. Xu, C.-W. Hsu, H.-Q. Su, and H. K. Tsang, “A secure WDM ring access network employing silicon micro-ring based remote node,” Optical Fiber Technology, vol. 20, no.2, pp. 84-89, Mar. 2014.
Z. Cheng, Z. Li, K. Xu, and H. K. Tsang, “Increase of grating coupler bandwidth with a graphene overlay,” Applied Physics Letters, vol. 104, no. 11, pp. 111109, Mar. 2014.
Z. Cheng, H. K. Tsang, X. Wang, K. Xu, and J. B. Xu, “In-plane optical absorption and free carrier absorption in graphene-on-silicon waveguides,” IEEE Journal Selected Topics in Quantum Electronics, vol. 20 no. 1, May 2014.
C. W. Chow, C.-H. Yeh, K. Xu, J.-Y. Sung, and H. K. Tsang, “TWDM-PON with signal remodulation and Rayleigh noise circumvention for NG-PON2,” IEEE Photonics Journal, vol. 5, no. 6, Dec. 2013.
K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, “UWB Monocycle Pulse Generation based on a Colorless Silicon Photonic Integrated Circuit,” Electronics Letters, vol. 49, no. 20, pp. 1291-1292, Sep. 2013.
X. Wang, Z. Cheng, K. Xu, H. K. Tsang, and J. B. Xu, “High responsivity graphene/silicon heterostructure waveguide photodetectors,” Nature Photonics, vol. 7, pp. 888-891, Sep. 2013.
C. Y. Wong, F. W. Tong, Z. Cheng, K. Xu, Y. M. Chen, and H. K. Tsang, “Stabilization of a multiwavelength erbium-doped fiber laser using a nonlinear silicon waveguide,” Applied Physics B, vol. 114, pp. 367-371, May 2013;
K. Xu, L. G. Yang, J. Y. Sung, Y. M. Chen, Z. Cheng, C. W. Chow, C. H. Yeh, and H. K. Tsang, “Compatibility of Silicon Mach-Zehnder Modulators for Advanced Modulation Formats,” IEEE/OSA Journal of Lightwave Technology, vol. 31, no. 15, pp. 2250-2254, Aug. 2013.
Z. Cheng, H. K. Tsang, K. Xu, and Z. Shi, “Spectral hole burning in graphene on silicon waveguides,” Optics Letters, vol. 38, no. 11, pp. 1930-1932, Jun. 2013.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, and H. K. Tsang, “Broadband focusing grating couplers for suspended-membrane waveguides,” Optics Letters, vol. 37, no. 24, pp. 5181-5183, Dec. 2012.
K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, “Tunable integrated variable bit-rate DPSK silicon receiver,” Optics Letters, vol. 37, no. 22, pp. 4738-4740, Nov. 2012.
K. Xu, Y. M. Chen, C. Li, X. Chen, Z. Cheng, C. Y. Wong, and H. K. Tsang, “An Ultra-Compact OSNR Monitor based on Integrated Silicon Microdisk Resonator,” IEEE Photonics Journal, vol. 4, no. 5, pp. 1365-1371, Oct. 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, and H. K. Tsang, “Apodized focusing subwavelength grating couplers for suspended membrane waveguides,” Applied Physics Letters, vol. 101, no.11, pp. 101104, Sep. 2012.
C. Y. Wong, Z. Cheng, X. Chen, K. Xu, C. K Y. Fung, Y. M. Chen, and H. K. Tsang, “Characterization of Mid-Infrared Silicon-on-Sapphire Microring Resonators With Thermal Tuning,” IEEE Photonics Journal, vol. 4, no. 4, pp. 1095-1102, Aug. 2012.
K. Xu, L. Wang, G. K. P. Lei, Z. Cheng, Y. M. Chen, C. Y. Wong, C. Shu, and H. K. Tsang, “Demodulation of 20-Gbaud/s DQPSK Signals Using Wavelength-Tunable Silicon Microring Resonators,” Optics Letters, vol. 37, no. 16, pp. 3462-3464, Aug. 2012.
K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, “Bit-Rate-Variable DPSK Demodulation Using Silicon Microring Resonators with Electro-Optic Wavelength Tuning,” IEEE Photonics Technology Letters, vol. 24, no. 14, pp. 1221-1223, Jul. 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, and H. K. Tsang, “Mid-infrared Suspended Membrane Waveguide and Ring Resonator on Silicon-on-Insulator,” IEEE Photonics Journal, vol. 4, no. 1 pp. 104-113, Feb. 2012.
X. Chen, K. Xu, Z. Cheng, C. K. Y. Fung, and H. K. Tsang, “Wideband Subwavelength Gratings for Coupling between Silicon-on-Insulator Waveguides and Optical Fibers,” Optics Letters vol. 37, no. 17, pp. 3483-3485, Sep. 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, C. K. Y. Fung, Y. M. Chen, and H. K. Tsang, “Focusing Subwavelength Grating Coupler for Mid-Infrared Suspended Membrane Waveguide,” Optics Letters, vol. 37, no. 8, pp. 1217-1219, Apr. 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, C. K. Y. Fung, Y. M. Chen, and H. K. Tsang, “Mid-infrared Grating Couplers for Silicon-on-Sapphire Waveguides,” IEEE Photonics Journal, vol. 4, no. 1 pp. 104-113, Feb. 2012.
K. Xu, H. K. Tsang, G. K. P. Lei, Y. M. Chen, L. Wang, Z. Cheng, X. Chen, and C. Shu, “OSNR Monitoring for NRZ-PSK Signals Using Silicon Waveguide Two-Photon Absorption,” IEEE Photonics Journal, vol. 3, no. 5, pp. 968-974, Oct. 2011.
会议论文及发表演说
Yingjie Liu, Wenzhao Sun, Shuai Liu, Hucheng Xie, Ke Xu, Yong Yao, Jiangbing Du, Zuyuan He, Qinghai Song, "On-chip attenuators based on digitized all-silicon nanostructures," IPR, JTu5A. 8, Jul. Zurich, 2017.
Lifang Zheng, Jiangbing Du, Ke Xu, Guoyao Chen, Lin Ma, Yinping Liu, Zuyuan He, "Silicon micro-ring modulator assembly for multi-core fiber based SDM optical interconnection," IPR, IW3B. 7, Jul. Zurich, 2017.
Z Chu, Y Liu, H Xie, W Sun, Y Wang, K Xu, Y Yao, Y Yang, Y Sun, Q Song, "Ultra-broadband 1× 2 optical splitter based on integrated digital metamaterial," IPR, ITh3J. 1, Jul. Zurich, 2017.
Y. Liu, L. Liu, and K. Xu, "Inverse Design of Nanostructured Waveguide Bends with Ultra-small Radii," ACP, Nov. Guangzhou, 2017.
L. Liu, Y. Liu, and K. Xu, "Design of nanostructured adiabatic waveguide tapers with ultra-short lengths," ACP, Nov. Guangzhou, 2017.
L. Zheng, J. Du, K. Xu, X. Wu, H. K. Tsang, and Z. He, "High speed DPSK modulation for short reach optical communications using a silicon microring modulator," ICOCN, Wuzhen, Aug. 2017.
Y. Xie, J. Li, and K. Xu, "Design of a high-speed electro-absorption modulator based on graphene and microfiber," CLEO-PR, Singapore, 2017.
J. Li, L. Liu, W. Sun, X. Wen, K. Xu, and Q. Song, "The 2-um fully-etched silicon grating coupler," CLEO-PR, Singapore, 2017.
Q. Wu, Y. Xie, K. Xu, R. Wang, M. Tang, S. Fu, and D. Liu, "80 Gbit/s Single-Channel Direct Detection Optical FBMC Signal Generation and Transmission at 2-um", CLEO, San Jose, 2017.
G. Chen, L. Sun, K. Xu, J. Du, and Z. He, "Machine learning of SVM classification utilizing complete binary tree structure for PAM-4/8 optical interconnection," Optical Interconnect Conference, Santa Fe, May, 2017.
X. Wu, C. Huang, K. Xu, W. Zhou, C. Shu, and H. K. Tsang, "Single-Wavelength 312 Gb/s DMT Generation Using Silicon Mode-division Multiplexed Link with 7-Core Fiber," OFC, (top score), San. Francisco, 2017.
X Wen, K Xu, Q Song, "Design of a random nanostructure for efficient chip-fiber polarization independent coupling," ACP, Wuhan, AS2F. 3, 2016.
L Liu, X Wen, K Xu, Q Song, “Design of random nanostructure s for optical power splitter with arbitrary splitting ratio,” ACP, Wuhan, AF2A.59, 2016.
X. R. Wu, K. Xu, D. Dai, and H. K. Tsang, "Mode Division Multiplexing Switch for On- Chip Optical Interconnects", WA1-4, OECC, Japan, 2016.
Y. Hsu, X. R. Wu, L. Y. Wen, K. Xu, C. W. Hsu, J. Y. Sung, C. H. Yeh, H. K. Tsang, and C. W. Chow, "Integrated SOI based receiver module for TWDM-PON", WA1-4, OECC, Japan, 2016.
X. Wu, K. Xu, C. Huang, C. Shu, and H. K. Tsang, "Mode Division Multiplexed 3 x 28 Gbit/s on-chip Photonic Interconnects," CLEO, San Jose, June, 2016.
K. Xu, C. Y. Wong, L. Zhang, L. Liu, G. N. Liu, C. W. Chow, and H. K. Tsang, "56 Gbit/s DMT Signal Generated by an Integrated Silicon Ring Modulator," CLEO, San Jose, June, 2016.
J. Wang, Z. Cheng, K. Xu, C. Shu, and H. K. Tsang, "Nonlinear Absorption and Thermal Stability in Graphene-on-Silicon Nitride Microring Resonators," ACP, Hong Kong, 2015.
X. Wu, K. Xu, C. W. Chow, and H. K. Tsang, "Ultra-wideband monocycle pulses amplitude modulation based on integrated ring modulator," ACP, Hong Kong, 2015.
S. Liu, K. Xu*, X. Wen, Q. Song, Z. Cheng, and H. K. Tsang, "Aluminum Nitride Electro-optic Modulator at Mid-IR Wavelengths," ACP, Hong Kong, 2015.
Z Cheng, J Wang, B Zhu, K Xu, W Zhou, HK Tsang, C Shu, "Graphene absorption enhancement using silicon slot waveguides," IPC,pp186-187, 2015.
Invited talks:
K. Xu, H. K. Tsang, and C. W. Chow, "Integrated silicon components for microwave photonic signal processing," OGC, 2015.
K. Xu, H. K. Tsang, and C. W. Chow, "Integrated silicon components for UWB optical signal processing," EMN, 2015.
Prior to HITSZ
K. Xu, Z. Cheng and H. K. Tsang, “Integrated Wavelength Selective Receiver for Low Latency Multicast in Networks-on-Chip,” OSA Asia Communications and Photonics Conference 2014, Shanghai, 2014.
Z. Cheng, K. Xu, and H. K. Tsang, “Monolithic Integration of Suspended Membrane Disk Resonator on Silicon-on-Insulator,” IEEE OptoElectronics and Communications Conference, OECC 2012, paper TU4E-3, Melbourne, 2014.
K. Xu, C. Y. Wong, Z. Cheng, and H. K. Tsang, “Silicon Mach-Zehnder Modulator for Direct Detection Optical OFDM,” International Photonics and OptoElectronics Meetings, Wuhan, 2014.
Z. Cheng, H. K. Tsang, X. Wang, X. Chen, K. Xu, and J. B. Xu, “Polarization Dependent Loss of Graphene-on-Silicon Waveguides,” in IEEE Photonics Conference 2013, Bellevue, WA.
C. Y. Wong, F. W. Tong, Z. Cheng, K. Xu, and H. K. Tsang, “100 GHz Passive Mode-locked Laser based on Nonlinear Silicon Microring Resonator,” in IEEE Photonics Conference 2013, Bellevue, WA.
C. Y. Wong, Z. Cheng, Z. Shi, Y. M. Chen, K. Xu, and H. K. Tsang, “Mode-locked Fiber Laser Using Graphene on Silicon Waveguide,” in The 10th International Conference on Group IV Photonics, 2013, Seoul, Korea.
K. Xu, C. Y. Wong, Z. Cheng, and H. K. Tsang, “Performance of Silicon Coupled Resonator Waveguides for Integrated Nyquist Filter,” The 10th Conference on Laser and Electro-Optics (CLEO) Pacific Rim, Kyoto, 2013.
Z. Shi, C. Y. Wong, Z. Cheng, K. Xu, and H. K. Tsang, “In-plane saturable absorption of graphene on silicon waveguides,” The 10th Conference on Laser and Electro-Optics (CLEO) Pacific Rim, Kyoto, 2013.
J. Y. Sung, K. Xu, C. W. Chow, C. H. Yeh, and H. K. Tsang, “Cost-effective all-silicon remote antenna unit (RAU) for radio-over-fiber,” Asia-Pacific Radio Science Conference, Taipei, 2013.
Z. Cheng, C. Y. Wong, K. Xu, and H. K. Tsang, “Apodized Focusing Subwavelength Gratings for Simultaneous Coupling of TE and TM modes,” IEEE 2th Optical Interconnects Conference (OIC), Santa Fe, USA, 2013.
K. Xu, J. Y. Sung, L. G. Yang, Y. M. Chen, Z. Cheng, C. W. Chow, C. H. Yeh, and H. K. Tsang, “Experimental Demonstration of Multi-level Modulation on OFDM Signals Using Integrated Silicon Modulators,” IEEE/OSA Optical Fiber Communication Conference / National Fiber Optic Engineers Conference, OFC/NFOEC, paper OW1G.5, CA, Anaheim, 2013.
K. Xu, and H. K. Tsang, “Integrated Silicon Receiver for D(Q)PSK Signals with Flexible Bit Rate,” IEEE Postgraduate Conference, Hong Kong Chapter, PGC 2012, Hong Kong, 2012.
K. Xu, Y. M. Chen, Z. Cheng, X. Chen, and H. K. Tsang, “OSNR Measurements Using Silicon Grating Coupler and Integrated Photodiode,” IEEE Photonics Conference, IPC 2012, paper ThB_6, CA, San Francisco, 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, Y. M. Chen, and H. K. Tsang, “Monolithic suspended membrane ring resonator for mid-infrared applications,” IEEE Group IV Photonics Conference, GFP 2012, paper WP5, CA, San Diego, 2012.
K. Xu, Y. M. Chen, X. Chen, Z. Cheng, and H. K. Tsang, “Chromatic dispersion monitoring based on four wave mixing in silicon waveguide,” IEEE OptoElectronics and Communications Conference, OECC 2012, paper 4E2-5, Korea, Busan, 2012.
Y. M. Chen, G. K. P. Lei, K. Xu, C. Y. Wong, X. Chen, Z. Cheng, C. Shu, and H. K. Tsang, “Comparison of extinction ratio enhancement of 10 and 40 Gb/s RZ-OOK signals using pump-modulated four-wave mixing in a silicon waveguide,” IEEE OptoElectronics and Communications Conference, OECC 2012, paper 5B1_4, Korea, Busan, 2012.
Z. Cheng, X. Chen, C. Y. Wong, K. Xu, C. K. Y. Fung, and Y. M. Chen, and H. K. Tsang, “Mid-infrared suspended membrane waveguides on silicon-on-insulator,” IEEE OptoElectronics and Communications Conference, OECC 2012, paper 4E2-2, Korea, Busan, 2012.
G. K. P. Lei, K. Xu, S. M. G. Lo, C. Shu, and H. K. Tsang, “Demodulation of 40 Gb/s DPSK Signals Using a Silicon Microring Resonator with Electro-Optic Wavelength Tuning,” OSA Integrated Photonics Research, IPR 2012, paper IW4C, Colorado, Springs, 2012.
C. Y. Wong, Z. Cheng, X. Chen, K. Xu, C. K. Y. Fung, Y. M. Chen, and H. K. Tsang, “Mid-infrared micro-ring resonator on silicon-on-sapphire characterized by thermal tuning,” IEEE Photonics Conference (IPC), paper ThZ_5, VA, Arlington, 2011.
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