**Materials for Download**

**Invited Journal Publications**

**Z. Dong, F. N. Khan, Q. Sui, K. Zhong, C. Lu, and A.P.T. Lau, "Optical Performance Monitoring: A Review of Current and Future Technologies." Journal of Lightwave Technology, vol. 34, no. 2, pp. 525-543, Jan. 2016 **

**K. Zhong, X. Zhou, T. Gui, L. Tao, Y. Gao, W. Chen, J. Man, Z. Li, A.P.T. Lau and C. Lu , “Experimental study of PAM-4, CAP-16, and DMT for 100 Gb/s Short Reach Optical Transmission Systems,” Optics Express, vol. 23, no. 2, pp. 1176-1189, Jan. 2015.**

**A. P. T. Lau, Y. Gao, Q. Sui, D. Wang, Q. Zhuge, M. Morsy-Osman, M. Chagnon, X. Xu, C. Lu, and D. V. Plant, “Advanced DSP Techniques Enabling High Spectral Efficiency and Flexible Transmissions: Toward Elastic Optical Networks,” IEEE Signal Processing Magazine, vol. 31, no.2, pp. 82–92, Mar. 2014. **

**L. Tao, Y. Ji, J. Liu, A.P.T. Lau, N. Chi and C. Lu, “Advanced modulation formats for short reach optical communication systems,” IEEE Network, vol. 27, no. 6, pp. 6-13, Nov. 2013. **

**Book Chapters**

**F. N. Khan, Z. Dong, C. Lu and A.P.T. Lau, "Optical Performance Monitoring for Fiber-Optic Communication Networks," in "Enabling Technologies for High Spectral-efficientcy Coherent Optical Communication Networks," Wiley Series in Microwave and Optical Engineering, 2016**

**Peer-reviewed Journal Publications**

*2017:*

**81. T. Gui, T.H. Chan, C. Lu, A.P.T. Lau and P.K.A. Wai, “Alternative Decoding Methods for Optical Communications Based on Nonlinear Fourier Transform,” Journal of Lightwave Technology, vol. 35, no. 9, pp. 1542 – 1550, May 1, 2017.**

**82. J. Liu, K. Zhong, Z. Dong, C. Guo, A.P.T. Lau, C. Lu and Y. Lu, “Signal power distribution based modulation format identification for coherent optical receivers,” Optical Fiber Technology, vol. 36, pp. 75 – 81, June 2017.**

**83. A.K. Azad, F. N. Khan, W. H. Alarashi, N. Guo, A.P.T. Lau and C. Lu, “Temperature extraction in Brillouin optical time-domain analysis sensors using principal component analysis based pattern recognition,” Optics Express, vol. 25, no. 14, pp. 16534 – 16549, Jul. 2017.**

**84. F. N. Khan, K. Zhong, X. Zhou, W. H. Al-Arashi, C. Yu, C. Lu and A.P.T. Lau, “Joint OSNR monitoring and modulation format identification in digital coherent receivers using deep neural networks,” Optics Express, vol. 25, no. 15, pp. 17767-17776, Jul. 2017.**

**85. T. Gui, C. Lu, A.P.T. Lau and P.K.A. Wai, “High-order modulation on a single discrete eigenvalue for optical communications based on nonlinear Fourier transform,” Optics Express, vol. 25, no. 17, pp. 20286-20297, Aug. 2017.**

*2016:*

**73. Z. Dong, F. N. Khan, Q. Sui, K. Zhong, C. Lu, and A.P.T. Lau**** (Invited)****, "Optical Performance Monitoring: A Review of Current and Future Technologies." Journal of Lightwave Technology, vol. 34, no. 2, pp. 525-543, Jan. 2016 . **

**74. H. Zhou, B. Li, M. Tang, K. Zhong, Z. Feng, J. Cheng, A.P.T. Lau, C. Lu, S. Fu, P. P. Shum and D. Liu, "Fractional Fourier Transformation-Based Blind Chromatic Dispersion Estimation for Coherent Optical Communications." Journal of Lightwave Technology vol. 34, no. 10, pp. 2371-2380, May 2016.**

**75. F. N. Khan, C. Lu and A.P.T. Lau. "Joint modulation format/bit-rate classification and signal-to-noise ratio estimation in multipath fading channels using deep machine learning." Electronics Letters (2016).**

**76. X. Zhou, K. Zhong, J. Huo, L. Gao, Y. Wang, L. Wang, Y. Yang, J. Yuan, K. Long, L. Zeng, A.P.T. Lau, and C. Lu, "112 Gb/s transmission over 80 km SSMF using PDM-PAM4 and coherent detection without optical amplifier," Optics Express vol. 24, no. 15, pp. 17359-17371, July 2016.**

**77. Y. Wang, Y. Zhou, T. Gui, Tao, K. Zhong, X. Zhou, L. Wang, A.P.T. Lau and C. Lu, “Efficient MMSE-SQRD-Based MIMO Decoder for SEFDM-Based 2.4-Gb/s-Spectrum-Compressed WDM VLC System,” IEEE Photonics Journal, vol. 8, no. 4, Aug 2016**

**78. F. N. Khan, K. Zhong, A. Waled, C. Yu, C. Lu, and A.P.T. Lau. "Modulation Format Identification in Coherent Receivers Using Deep**

** Machine Learning." IEEE Photonics Technology Letters, vol. 28, no. 17, pp. 1886-1889, Sept 2016.**

**79. K. Zhong, X. Zhou, Y. Wang, Y. Wang, W. Zhou, W. Chen, L. Zeng, L. Wang, A.P.T. Lau and C. Lu, “Transmission of a 120-GBd PM- NRZ Signal Using a Monolithic Double-Side EML,” IEEE Photonics Technology Letters, vol. 28, no. 20, pp. 2176-2179, Oct. 2016.**

**80. K. Zhong, X. Zhou, Y. Wang, L. Wang, J.H. Yuan, C. Yu, A.P.T. Lau and C. Lu, “Experimental demonstration of 608Gbit/s short reach transmission employing half-cycle 16QAM Nyquist-SCM signal and direct detection with 25Gbps EML,” Optics Express, vol. 24, no. 22, pp. 25027 – 25067, Oct. 31, 2016.**

*2015:*

**59. K. Zhong, X. Zhou, T. Gui, L. Tao, Y. Gao, W. Chen, J. Man, Z. Li, A.P.T. Lau and C. Lu ****(Invited)****, “Experimental study of PAM-4, CAP-16, and DMT for 100 Gb/s Short Reach Optical Transmission Systems,” Optics Express, vol. 23, no. 2, pp. 1176-1189, Jan. 2015.**

**60. Q. Sui, H. Zhang, J. D. Downie, W.A. Wood, J. Hurley, S. Mishra, A.P.T. Lau, C. Lu, H.Y. Tam and P.K.A. Wai, “Long-haul quasi- single-mode transmissions using few-mode fiber in presence of multi-path interference,” Optics Express, vol. 23, no. 3, pp. 3156-3169, Feb. 2015.**

**61. X. Zhou, K. Zhong, Y. Gao, Q. Sui, Z. Dong, J. Yuan, L. Wang, K. Long, A.P.T. Lau and C. Lu, “Polarization-interleave-multiplexed discrete multi-tone modulation with direct detection utilizing MIMO equalization," Optics Express, vol. 23, no. 7, pp. 8409-8421, Apr 2015.**

**62. S. M. Balal, G. Bosco, J. Cheng, A.P.T. Lau and C. Lu, “Carrier Phase Estimation Through the Rotation Algorithm for 64-QAM Optical Systems," Journal of Lightwave Technology, vol. 33, no. 9, pp.1766-1773, May 2015.**

**63. J. Cheng, M. Tang, A.P.T. Lau, C. Lu, L. Wang, Z. Dong, S. M. Bilal, S. Fu, P. P. Shum and D. Liu, “Pump RIN-induced impairments in unrepeatered transmission systems using distributed Raman amplifier,” Optics Express, vol. 23, vo. 9, pp.11838-11854, May 2015.**

**64. Y. Gao, Q. Zhuge, W. Wang, X. Xu, J. M. Buset, M. Qiu, M. Morsy-Osman, M. Chagnon, F. Li, L. Wang, C. Lu, A.P.T. Lau and D. V. Plant, “40 Gb/s CAP32 short reach transmission over 80 km single mode fiber,” Optics Express, vol. 23, no. 9, pp.11412-11423, May 2015.**

**65. Z. Dong, K. Zhong, X. Zhou, C. Lu, A.P.T. Lau, Y. Lu, L. Li, “Modulation-format-independent OSNR monitoring insensitive to cascaded filtering effects by low-cost coherent receptions and RF power measurements,” Optics Express, vol. 23, no. 12, pp.15971-15982, Jun 2015.**

**66. Y. Yang, G. Cao, K. Zhong, X. Zhou, Y. Yao, A. P.T. Lau, and C. Lu, "Fast polarization-state tracking scheme based on radius- directed linear Kalman filter," Opt. Express 23, 19673-19680 July 2015.**

**67. Z. Dong; S. Hari, T. Gui; K. Zhong; M.I. Yousefi, C. Lu, P.K.A. Wai, F.R. Kschischang and A.P.T. Lau, "Nonlinear Frequency Division Multiplexed Transmissions Based on NFT," in Photonics Technology Letters, IEEE , vol.27, no.15, pp.1621-1623, Aug.1, 2015**

**68. K. Zhong; X. Zhou Y. Gao; W. Chen; J. Man, L. Zeng, A.P.T. Lau and C. Lu, "140-Gb/s 20-km Transmission of PAM-4 Signal at 1.3 um for Short Reach Communications," in IEEE Photonics Technology Letters, vol.27, no.16, pp.1757-1760, Aug.15, 2015**

**69. F. N. Khan, C. H. Teow, S. G. Kiu, M.C. Tan, Y. Zhou, W.H. Al-Arashi, A.P.T. Lau and C. Lu. "Automatic modulation format/bit-rate classification and signal-to-noise ratio estimation using asynchronous delay-tap sampling." Computers & Electrical Engineering 47 (2015): 126-133.**

**70. S. M. Bilal, G. Bosco, Z. Dong, A.P.T. Lau and C. Lu. "Blind modulation format identification for digital coherent receivers." Optics express 23, no. 20 (2015): 26769-26778.**

**71. F. N. Khan, Y. Yu, M. C. Tan, W. H. Al-Arashi, C. Yu, A. P. T. Lau, and C. Lu. "Experimental demonstration of joint OSNR monitoring and modulation format identification using asynchronous single channel sampling." Optics express 23, no. 23 (2015): 30337- 30346.**

**72. X. Zhou, K. Zhong, J. Huo, J. Yuan, F. Li, L. Wang, K. Long, A. P. T. Lau and C. Lu. "Polarization-Multiplexed DMT With IM-DD Using 2×2 MIMO Processing Based on SOP Estimation and MPBI Elimination." IEEE Photonics Journal 7, no. 6 pp. 1-12, 2015. **

*2014:*

**50. F.N. Khan, Y.D. Zhou, Q. Sui, A.P.T. Lau, “Non-data-aided joint bit-rate and modulation format identification for next-generation heterogeneous optical networks,” Optical Fiber Technology, vol. 20, no. 2, pp. 68-74, Mar. 2014.**

**51. A. P. T. Lau, Y. Gao, Q. Sui, D. Wang, Q. Zhuge, M. Morsy-Osman, M. Chagnon, X. Xu, C. Lu, and D. V. Plant ****(Invited)****, “Advanced DSP Techniques Enabling High Spectral Efficiency and Flexible Transmissions: Toward Elastic Optical Networks,” IEEE Signal Processing Magazine, vol. 31, no.2, pp. 82–92, Mar. 2014. **

**52. L. Huang, D. Wang, A.P.T. Lau, C. Lu, and S.L. He, “Performance analysis of blind timing phase estimators for digital coherent receivers,” Optics Express, vol. 22, no. 6, pp. 6749-6763, Mar. 2014.**

**53. M.C. Tan, F. N. Khan, A. H. Al-Arashi, Y.D. Zhou and A.P.T. Lau, “Simultaneous Optical Performance Monitoring and Modulation Format/Bit-Rate Identification Using Principal Component Analysis,” Journal of Optical Communications and Networking, vol. 6, no. 5, pp. 441-448, May 2014.**

**54. X. Zhou, K. Zhong, Y. Gao, C. Lu, A.P.T. Lau and K. Long, “Modulation-format-independent blind phase search algorithm for coherent optical square M-QAM systems,” Optics Express, vol. 22, no. 20, 24044-24055, Sept. 2014.**

**55. X. Zhou, C. Lu, A.P.T. Lau and K. Long, “Low-Complexity Carrier Phase Recovery for Square M-QAM Based on S-BPS Algorithm,” IEEE Photonics Technology Letters, vol. 26, no. 18, pp. 1863-1866, Sept. 2014.**

**56. X. Zhang, Z. Li, J. Li, C. Yu, A.P.T. Lau and C. Lu, “Low-cost coherent receiver for long-reach optical access network using single-ended detection,” Optics Letters, vol. 39, no. 18, pp. 5248-5250, Sept. 2014.**

**57. X. Zhou, K. Zhong, Y. Gao, C. Lu, A.P.T. Lau, K. Long, “Modulation-format-independent blind phase search algorithm for coherent optical square M-QAM systems,” Optics Express, vol. 22, no. 20, pp. 24044-24054, Oct. 2014.**

**58. Y. Gao, E. Ha, A.P.T. Lau, C. Lu, X. Xu and L. Li, “Non-data-aided and universal cycle slip detection and correction for coherent communication systems,” Optics Express, vol. 22, no. 25, pp. 31167-31179, Dec. 2014.**

*2013:*

**44. Q. Sui, ****A.P.T. Lau**** and C. Lu, “Fast and Robust Blind Chromatic Dispersion Estimation Using Auto-Correlation of Signal Power**

** Waveform for Digital Coherent Systems” IEEE/OSA Journal of Lightwave Technology, vol. 31, no. 2, pp. 306-312, Jan.**

** 2013.**

**45. L. Tao, Y. Wang, Y. Gao, ****A.P.T. Lau****, N. Chi and C. Lu, “Experimental demonstration of 10 Gb/s multilevel carrier-less**

** amplitude and phase modulation for short range optical communication systems,” Optics Express, vol. 21, no. 5, pp. 6459-**

** 6465, Mar. 2013.**

**46. D. Wang, C. Lu, A.P.T. Lau, P.K.A. Wai and S. He, “Adaptive CD Estimation for Coherent Optical Receivers Based on Timing Error Detection,” IEEE Photonics Technology Letters , vol. 25, no. 10, pp. 985-989, May 2013. **

**47. Y. Gao, A.P.T. Lau and ^C. Lu, “Modulation-Format-Independent Carrier Phase Estimation for Square M-QAM Systems,” IEEE Photonics Technology Letters, vol. 25, no. 11, pp. 1073-1076, June 2013.**

**48. L. Tao, Y. Ji, J. Liu, A.P.T. Lau, N. Chi and C. Lu ****(Invited)****, “Advanced modulation formats for short reach optical communication systems,” IEEE Network, vol. 27, no. 6, pp. 6-13, Nov. 2013. **

**49. L. Tao, Y. Wang, Y. Gao, A.P.T. Lau, N. Chi and C. Lu, “40 Gb/s CAP32 System With DD-LMS Equalizer for Short Reach Optical Transmissions,” IEEE Photonics Technology Letters, vol. 25, no. 23, pp. 2346-2349, Dec. 2013.**

*2012:*

**34. F. Y. M. Chan, ****A. P. T. Lau****, and H.Y. Tam, "Mode coupling dynamics and communication strategies for multi-core fiber**

** systems," Optics Express, vol. 20, no.4, pp. 4548-4563, Feb. 2012**

**35. N. Bai, E. Ip, Y.-K Huang, E. Mateo, F. Yaman, M.-J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse,**

** K.M. Chung, ****A.P.T. Lau****, H.Y. Tam, C. Lu, Y. Luo, G.-D. Peng, G. Li, and T. Wang, "Mode-division multiplexed transmission with**

** inline few-mode fiber amplifier," Optics Express, vol. 20, no.3, pp. 2668-2680, Jan. 2012.**

**36. F. N. Khan, Y. Zhou, ****A. P. T. Lau**** and C. Lu, “Modulation format identification in heterogeneous fiber-optic networks using**

** artificial neural networks,” Optics Express, vol. 20, no. 11, pp. 12422-12431, May 2012.**

**37. C. Wu, Z. Liu, K.M. Chung, M.L.V. Tse, F. Y. M. Chan, ****A.P.T. Lau****, C. Lu and H.Y. Tam, “Strong LP01 and LP11 mutual coupling**

** conversion in a two-mode fiber Bragg grating,” IEEE Photonics Journal, vol. 4 , no. 4, pp.1080 – 1086, May 2012. **

**38. F. N. Khan, T. S. R. Shen, Y. Zhou, ****A. P. T. Lau**** and C. Lu, “Optical Performance Monitoring Using Artificial Neural Networks**

** Trained With Empirical Moments of Asynchronously Sampled Signal Amplitudes,” IEEE Photonics Technology Letters, vol.**

** 24, no. 12, pp. 982-984, Jun. 2012.**

**39. Z. Dong, ****A.P.T. Lau**** and C. Lu, “OSNR Monitoring for QPSK and 16-QAM Systems in Presence of Fiber Nonlinearities for**

** Digital Coherent Receivers”, Optics Express, vol. 20, no. 17, pp. 19520-19534, Aug. 2012. **

**40. T.S.R. Shen,*Q. Sui and ****A.P.T. Lau****, “OSNR Monitoring for PM-QPSK systems with Large Inline Chromatic Dispersion Using**

** Artificial Neural Network Technique,” IEEE Photonics Technology Letters, vol. 24, no. 17, pp. 1564-1567, Sept. 2012.**

**41. F. N. Khan, ****A.P.T. Lau****, C. Lu, T. B. Anderson, J. C. Li and P.K.A. Wai, “Simultaneous and independent OSNR and chromatic**

** dispersion monitoring using empirical moments of asynchronously sampled signal amplitudes,” IEEE Photonics Journal, vol.**

** 4, no. 5, pp. 1340-1350, Oct. 2012. **

**42. T. Dong, Y. Bao, Y. Ji, ****A.P.T. Lau****, Z. Li and C. Lu, “Bidirectional hybrid OFDM-WDM-PON system for 40 Gb/s downlink and 10**

** Gb/s uplink transmission using RSOA re-modulation,” IEEE Photonics Technology Letters, vol. 24, no. 22, pp. 2024-2026,**

** Nov. 2012.**

**43. S. Yan, X. Weng, Y. Gao, C. Lu, ****A.P.T. Lau****, Y. Ji, L. Liu and X. Xu, “Generation of square or hexagonal 16-QAM signals using**

** a Dual-drive IQ modulator” Optics Express, vol. 20, no. 27, 29023-29034, Dec. 2012.**

*2011:*

**24. F.N. Khan, ****A.P.T. Lau****, C. Lu and P.K.A. Wai, “Chromatic dispersion monitoring for multiple modulation formats and data**

** rates using sideband optical filtering and asynchronous amplitude sampling technique,” Optics Express, vol. 19, no. 2, pp.**

** 1007-1015, Jan. 2011. **

**25. J. Yang, C. Yu, L. Cheng, Z. Li, C. Lu, ****A.P.T. Lau****, H.Y. Tam and P.K.A. Wai, “CD-insensitive PMD monitoring based on RF**

** power measurement,” Optics Express, vol. 19, no. 2, pp. 1354-1359, Jan. 2011. **

**26. K.P. Ho, ****A.P.T. Lau**** and W. Shieh, “Equalization Enhanced Phase Noise Induced Timing Jitter,” Optics Letters, vol. 36, no. 4,**

** pp.585-587, Feb. 15, 2011.**

**27. ****A.P.T. Lau****, Z. Li, F. N. Khan, C. Lu and P. K. A. Wai, “Analysis of signed chromatic dispersion monitoring by waveform**

** asymmetry for differentially-coherent phase-modulated systems,” Optics Express, vol. 19, no. 5, pp. 4147-4156, Feb.**

** 2011.**

**28. L. Chen, Z. Li, C. Lu, ****A.P.T. Lau****, H.Y. Tam and P.K.A. Wai, “Chromatic Dispersion Monitoring Based on Variance of Received**

** Optical Power” IEEE Photonics Technology Letters, vol. 23, no. 8, pp. 486-488, Apr. 15, 2011.**

**29. D. Wang, C. Lu, ****A.P.T. Lau**** and S. He, “Adaptive Chromatic Dispersion Compensation for Coherent Communication Systems**

** Using Delay-Tap Sampling Technique,” IEEE Photonics Technology Letters, vol. 23, no. 14, pp. 1016-1018, Jul. 15, 2011.**

**30. Q. Li, F. Li, K. K. Y. Wong, ****A.P.T. Lau****, K. K. Tsia, and P. K. A. Wai, “Investigating the influence of a weak continuous-wave-**

** trigger on picosecond supercontinuum generation,” Optics Express, vol. 19, no. 15, pp. 13757-13769, Jul. 5, 2011.**

**31. Y. Gao, ****A.P.T. Lau****, S. Yan, and C. Lu, "Low-complexity and phase noise tolerant carrier phase estimation for dual-**

** polarization 16-QAM systems," Optics Express, vol.19, no. 22, pp. 21717-21729, Oct. 2011.**

**32. J. Yang, **C. Yu, Y. Yang, L. Cheng, Z. Li, C. Lu, ****A.P.T. Lau****, H.Y. Tam, P.K.A. Wai, “PMD-Insensitive CD Monitoring**

** Based on RF Clock Power Ratio Measurement With Optical Notch Filter,” IEEE Photonics Technology Letters, vol. 23, no. 21,**

** pp. 1576-1578, Nov. 2011.**

**33. Y. Yang, C. Lu, ****A.P.T. Lau****, Y. Yao, Y. Sun, J. J. Xiao, H.Y. Tam and P. K. A. Wai, “A robust and dither-free technique for**

** controlling driver signal amplitude for stable and arbitrary optical phase modulation,” Optics Express, vol. 19, no. 27, pp.**

** 26353-26358, Dec. 2011.**

*2010:*

**13. F. N. Khan, ****A.P.T. Lau****, Z. Li, C. Lu and P.K.A. Wai, “Statistical Analysis of Optical Signal-to-Noise Ratio Monitoring Using**

** Delay-Tap Sampling,” IEEE Photonics Technology Letters, vol. 22, no. 3, pp. 149-151, Feb. 1, 2010.**

**14. Z. Li, J. Zhao, L.H. Cheng, Y.F. Yang, C. Lu, ****A.P.T. Lau****, C. Yu, H.Y. Tam and P.K.A. Wai, “Signed Chromatic Dispersion**

** Monitoring of 100Gbit/s CS-RZ DQPSK signal by evaluating the asymmetry ratio of delay tap sampling,” Optics Express, **

** vol. 18, no. 3, pp. 3149-3157, Feb. 2010. **

**15. F.N. Khan, ****A.P.T. Lau****, Z. Li, C. Lu and P.K.A. Wai, “OSNR monitoring for RZ-DQPSK Systems Using Half-Symbol Delay-Tap**

** Sampling Technique,” IEEE Photonics Technology Letters, vol. 22, no. 11, pp. 823-825, Jun. 2010. **

**16. Z. Li, C. Yu, Y. Dong, L.H. Cheng, L.F.K. Lui, C. Lu, ****A.P.T. Lau****, H.Y. Tam and P.K.A. Wai, “Linear photonic radio frequency**

** phase shifter using a differential-group-delay element and an optical phase modulator,” Optics Letters, vol. 35, no. 11, pp.**

** 1881-1883, Jun. 2010.**

**17. J. Zhao, ****A.P.T. Lau****, C. Lu, H.Y. Tam and P.K.A. Wai, “Signed and Accurate Measurement of Phase Offset in Optical DPSK**

** Demodulator,” IEEE Photonics Technology Letters, vol. 22, no. 14, pp. 1018-1020, Jul. 2010.**

**18. ****A.P.T. Lau****, T.S.R. Shen, W. Shieh and K.P. Ho, “Equalization-enhanced phase noise for 100Gb/s transmission and beyond**

** with coherent detection,” Optics Express, vol. 18, no. 16, pp. 17239-17251, Aug. 2010.**

**19. Q. Sui, ****A.P.T. Lau**** and C. Lu, “OSNR Monitoring in Presence of First-Order PMD using DSP,” IEEE/OSA Journal of Lightwave**

** Technology, vol. 28, no. 15, pp. 2105-2114, Aug. 2010.**

**20. T.S.R. Shen, ****A.P.T. Lau**** and G.N. Liu, “OSNR Monitoring for Higher Order Modulation Formats Using Asynchronous Amplitude**

** Histogram,” IEEE Photonics Technology Letters, vol. 22, no. 22, pp. 1632-1634, Nov. 2010.**

**21. T.S.R. Shen, K. Meng, ****A.P.T. Lau**** and Z.Y. Dong, “Optical Performance Monitoring Using Artificial Neural Network Trained**

** With Asynchronous Amplitude Histograms,” IEEE Photonics Technology Letters, vol. 22, no. 22, pp. 1665-1667, Nov. 2010.**

**22. T.S.R. Shen, ****A.P.T. Lau**** and C. Yu, “Simultaneous and independent multi-parameter monitoring with fault localization for**

** DSP-based coherent communication systems,” Optics Express, vol. 18, no. 23, pp. 23608-23619, Nov. 2010.**

**23. J. Zhao, ****A,P.T. Lau****, K.K.Qureshi, C. Lu, X. R. Ma, H. Y. Tam, and P. K. A. Wai, “Signed frequency offset measurement for**

** direct detection DPSK system with a chromatic dispersion offset,” Optics Express, vol. 18, no. 23, pp. 23829-23836, Nov.**

** 2010**

*2009:*

**10. Z. Li, L. Cheng, Y. Yang, C. Lu, ****A.P.T. Lau****, H. Tam, P.K.A. Wai, C. Wang, X. Xu, J. Deng and Q. Xiong, “1500km SSMF **

** Transmission of Mixed 40Gbit/s CS-RZ Duobinary and 100Gbit/s CS-RZ DQPSK Signals,” IEEE Photonics Technology Letters, **

** vol. 21, no. 16, pp.1148-1150, Aug. 2009.**

**11. R.A. Panicker, ****A.P.T. Lau****, J.P. Wilde and J.M. Kahn, “10 Gb/s transmission over 2 km Multimode Fiber with Connector**

** Offsets Using Adaptive Optics” OSA/IEEE Journal of Lightwave Technology, vol. 27, no. 24, pp. 5783-5789, Dec. 2009. **

**12. J. Zhao, ****A.P.T. Lau****, K.K. Qureshi, Z. Li, C. Lu and H.Y. Tam, “Chromatic Dispersion Monitoring for DPSK Systems Using RF**

** Power Spectrum,” OSA/IEEE Journal of Lightwave Technology, vol. 27, no. 24, pp. 5704-5709, Dec. 2009. **

*2008 and before*

**1. **** ****A.P.T. Lau**** and T.J. Lim, “A Low Complexity Enhancement to Sub-Optimal CDMA Receivers”, IEEE Transactions on Wireless**

** Communication, vol. 3, no. 6, November 2004, pp. 1924-1927.**

**2. ****A.P.T. Lau**** and J.M. Kahn, “Design of Inline Amplifiers Gain and Spacing to Minimize Phase Noise in Optical Transmission**

** Systems,” OSA/IEEE Journal of Lightwave Technology, Mar 2006, pp.1334-1341.**

**3. ****A.P.T. Lau**** and J.M. Kahn, “Power Profile Optimization in Phase Modulated Systems in Presence of Nonlinear Phase Noise,”**

** IEEE Photonics Technology Letters, vol. 18, no. 23, pp. 2514-2516, Dec. 2006.**

**4. ****A.P.T. Lau**** and F. Kschischang, “Optimal Feedback Quantization in Wireless Multiuser Diversity systems,” IEEE Transactions**

** on Information Theory, vol. 53, no. 4, pp. 1386-1400, Apr. 2007.**

**5. ****A.P.T. Lau****, L. Xu and T. Wang, “Performance of Receivers and Detection Algorithms for Modal Multiplexing in Multimode**

** Fiber Systems,” IEEE Photonics Technology Letters, vol. 19, no. 14, pp.1087-1089, July 2007.**

**6. ****A.P.T. Lau**** and S. Cui, "Joint Power Minimization in Wireless Relay Channels," IEEE Transactions on Wireless**

** Communications, vol. 6, no. 4, pp. 2820-2824, Aug. 2007.**

**7. ****A.P.T. Lau**** and J.M. Kahn, “Signal Design and Detection in Presence of Nonlinear Phase Noise,” OSA/IEEE Journal of**

** Lightwave Technology, vol. 25, no. 10, pp. 3008-3016, Oct. 2007.**

**8. E. Ip, ****A.P.T. Lau****, D.J.F. Barros and J.M. Kahn ****(Invited)****, “Coherent Detection in Optical Fiber Systems,” OSA Optics Express,**

** pp. 753-791, Jan. 2008.**

**9. ****A.P.T. Lau****, S. Rabbani and J.M. Kahn, “On the Statistics of Intra-channel Four-Wave Mixing in Phase-Modulated Optical**

** Communication Systems,” OSA/IEEE Journal of Lightwave Technology. vol. 26, no. 14, pp. 2128-2135, Jul. 2008.**

**Invited Conference Presentations**

**1. J. M. Kahn, E. Ip, ****A.P.T. Lau**** and D.J.F. Barros, “Digital Compensation of Linear and Nonlinear Impairments in Coherent**

** Optical R eceivers”, OSA Coherent Optical Technologies and Applications (COTA), Boston, MA, July 2008.**

**2. J. M. Kahn, E. Ip, ****A.P.T. Lau**** and D.J.F. Barros, “Compensation of Dispersion and Nonlinearity in WDM Transmission using**

** Simplified Digital Backpropagation”, IEEE/LEOS Summer Topical Meeting, Acapulco, Mexico, July 2008.**

**3. ****A.P.T. Lau****, W. Shieh and K.P. Ho, “Equalization Enhanced Phase Noise Interference in Coherent Optical Communications,"**

** OSA Optics and Photonics Congress, Karlsruhe, Germany, June 2010.**

**4. L.H. Cheng, Z. Li, Y.F. Yang, C. Lu, ****A.P.T. Lau****, H.Y. Tam, P.K.A. Wai, C. Wang, F. Zhang, L. Liu, X. Xu, J. Deng and Q. Xiong,**

** “Over 300km Repeater-less Transmission of 100-Gbps CSRZ-DQPSK Signal through SSMF and EPSCF with Distributed Raman**

** Amplification," Seventh International Conference on Information, Communications and Signal Processing, Macau SAR,**

** China, Dec. 2009.**

**5. ****A.P.T. Lau****, Q. Sui, T.S.R. Shen, F.N. Khan and C. Lu, “ Optical Performance Monitoring Using Statistical Signal Processing,”**

** International Conference on Advanced Infocomm. Technology (ICAIT), Haikou, Hainan Island, China, Jul. 2010.**

**6. ****A.P.T. Lau****, Q. Sui, T.S.R. Shen, F.N. Khan and C. Lu, “ Optical Performance Monitoring Using Statistical Signal Processing,”**

** International Conference on Optical Communications Networks (ICOCN), Nanjing, China, Oct. 2010.**

**7. ****A.P.T. Lau****, W. Shieh and K.P. Ho, “Equalization Enhanced Phase Noise Interference in Coherent Optical Communications,"**

** IEEE International Conference on Communication Systems (ICCS) 2010, Singapore, Nov. 17-20, 2010.**

**8. ****A.P.T. Lau****, W. Shieh and K.P. Ho, “Equalization Enhanced Phase Noise Interference in Coherent Optical Communications,"**

** Asia Communications and Photonics Conference (ACP), Shanghai, Dec. 2010.**

**9. C. Lu, ****A.P.T. Lau****, F.N. Khan, Q. Sui, J. Zhao, Z. Li, H.Y. Tam and P.K.A. Wai, “Optical performance monitoring techniques for**

** high capacity optical networks,” in 7th International Symposium on Communication Systems Networks and Digital Signal**

** Processing (CSNDSP), pp. 678 – 681, July 2010.**

**10. ****A.P.T. Lau****, Q. Sui, T.S.R. Shen, F.N. Khan and C. Lu, “ Optical Performance Monitoring for Next Generaton Optical Networks:**

** Progress and Challenges," International Conference on Advanced Infocomm. Technology (ICAIT), Wuhan, China, Jul. 2011.**

**11. ****A.P.T. Lau****, F. N. Hauske, T. B. Anderson and C. Lu, “Optical Performance Monitoring through signal processing in current**

** and future optical communication systems,” OSA Signal Processing in Photonics Communications (SPPCom), Optics and**

** Photonics Congress, Colorado Springs, CO, June 2012.**

**12. ****A.P.T. Lau**** and C. Lu, “Optical Performance Monitoring through signal processing in current and future optical**

** communication systems,” International Conference on Optical Communications Networks (ICOCN), Pattaya, Thailand, Nov.**

** 2012.**

**Contributed Conference Presentations**

**1. ****A.P.T. Lau**** and J.M. Kahn, “Non-Optimality of Distributed Amplification in Presence of Nonlinear Phase Noise”, paper JWB23,**

** OSA Coherent Optical Technologies and Applications (COTA), Whistler, BC, Canada, June 2006.**

**2. ****A.P.T. Lau**** and S. Cui, “Joint Power Minimization in Wireless Relay Channels” Proceedings of International Wireless**

** Communications & Mobile Computing Conference, Vancouver, July 2006.**

**3. ****A.P.T. Lau**** and J.M. Kahn,"16-QAM Signal Design and Detection in Presence of Nonlinear Phase Noise," Paper TuA4.4, 2007**

** IEEE/LEOS Summer Topical Meetings, Portland, OR, July 23-25, 2007.**

**4. ****A.P.T. Lau****, S. Rabbani and J.M. Kahn, “On the statistics of Intra-channel Four-Wave Mixing in phase modulated systems,”**

** paper JThA52, OFC/NFOEC, San Diego, CA, Feb. 24-28, 2008.**

**5. F.N. Khan, ****A.P.T. Lau****, C. Lu and P.K.A. Wai , “Chromatic Dispersion Monitoring Using Coherent Detection and Tone Power**

** Measurement,” paper ThLP74, 14th OptoElectronics and Communications Conference (OECC), Hong Kong, July 2009,.**

**6. ****A.P.T. Lau****, W. Shieh and K.-P. Ho, ” Equalization-Enhanced Phase Noise for 100Gb/s Transmission with Coherent**

** Detection,” paper FQ3, The 14th OptoElectronics and Communications Conference (OECC), Hong Kong, July 2009.**

**7. Q. Sui, C. Lu, and ****A.P.T. Lau****, “In-Band OSNR Monitoring by Polarization Diversity and Electronic Signal Processing,” paper**

** FW5, The 14th OptoElectronics and Communications Conference (OECC), Hong Kong, July 2009.**

**8. Z. Li, J. Zhao, L. Cheng,Y. Yang, C. Lu, ****A.P.T. Lau****, H.-Y. Tam and P. K. A. Wai, “100Gbit/s RZ-DQPSK Signal Monitoring Using**

** Delay Tap Sampling and Asymmetry Ratio Evaluation,” paper FW7, The 14th OptoElectronics and Communications**

** Conference (OECC), Hong Kong, July 2009.**

**9. J. Yang, C. Yu, L.H. Cheng, Z. Li, C. Lu, ****A.P.T. Lau****, H.Y. Tam and P.K.A. Wai, “CD insensitive PMD monitoring by Using FBG**

** Notch Filter in 57-Gbit/s D8PSK and 38-Gbit/s DQPSK systems,” CLEO/QELS 2010, San Jose, USA, May, 2010.**

**10. Z. Li, T. Guo, B. Guan, L.H. Cheng, X. Feng, C. Lu, ****A.P.T. Lau****, H.Y. Tam, P.K.A. Wai, “Linear RF Photonic Phase Shifter Based**

** on a Dual-Polarization Fiber Laser and an Optical Phase Modulator," paper TA3-6, Asia-Pacific Microwave Photonics**

** Conference 2010, Hong Kong SAR, China, April 2010.**

**11. F.N. Khan, ****A.P.T. Lau**** , C. Lu and P.K.A. Wai, “Wide Dynamic Range OSNR Monitoring for RZ-DQPSK Systems Using Delay-Tap**

** Sampling Technique", paper OMK7, OFC/NFOEC, San Diego, USA, March 2010.**

**12. Z. Li, C. Yu, L. H. Cheng, C. Lu, ****A.P.T. Lau****, H.Y. Tam and P.K.A. Wai, “Stable Photonic RF Phase Shifter Based on a**

** Polarization Sensitive Optical Phase Modulator," Paper 6D2-5, The 15th OptoElectronics and Communications Conference**

** (OECC), Sapporo, Japan, July 2010.**

**13. Y. Gao, ****A.P.T. Lau****, C. Lu, ; J. Wu, Y. Li, K. Xu, W. Li and J. Lin, “Low-Complexity Two-Stage Carrier Phase Estimation for 16-**

** QAM Systems using QPSK Partitioning and Maximum Likelihood Detection,” paper OMJ6, OFC/NFOEC, Los Angeles, USA,**

** March 2011.**

**14. Q. Li, C. Zhang, K. K. Y. Cheung, Y. Qiu, K..K.Tsia, K.K.Y. Wong, F. Li, ****A.P.T. Lau****, P.K.A. Wai, “Control of Optical Rogue Waves**

** in Supercontinuum Generation with a Minute Continuous Wave,” paper JThB61. CLEO 2011, Baltimore, MD, USA, May 2011.**

**15. F. N. Khan, ****A.P.T. Lau****, C. Lu and P.K.A. Wai, “Joint OSNR and Chromatic Dispersion Monitoring using Empirical Moments of**

** Asynchronously Sampled Signal Amplitudes,” Paper 6B4_5, The 16th OptoElectronics and Communications Conference**

** (OECC), Kaohsiung, Taiwan, July 2011.**

**16. Q. Sui, ****A.P.T. Lau**** and C. Lu, “OSNR and CD tolerant PMD Monitoring Using Polarization Diversity and DSP ,” Paper 7P3**

** -00227, The 16th OptoElectronics and Communications Conference (OECC), Kaohsiung, Taiwan, July 2011.**

**17. T. S. R. Shen and ****A.P.T. Lau****, "Fiber Nonlinearity Compensation Using Extreme Learning Machine for DSP-based Coherent**

** Communication Systems", Paper 8D1_4, The 16th OptoElectronics and Communications Conference (OECC), Kaohsiung,**

** Taiwan, July 2011.**

**18. E. Ip, N. Bai, Y.K. Huang, E. Mateo, F. Yaman, S. Bickham, M.-J. Li, S. Ten, V. Tse, K. M. Chung, ****A.P.T. Lau****, H.Y. Tam, C. Lu, **

** G.D. Peng, C. Montero, X. Prieto, G. Li, “88x3x112-Gb/s WDM transmission over 50-km of three-mode fiber with inline**

** multimode fiber amplifier,” ****Post-deadline paper Th.13.C.2****, 37th European Conference on Optical Communications (ECOC),**

** Geneva, Sept. 2011.**

**19. Q. Sui, ****A.P.T. Lau**** and C. Lu, “Fast and Robust Chromatic Dispersion Estimation Using Auto-Correlation of Signal Power**

** Waveform for DSP based-Coherent Systems”, paper OW4G.3, OFC/NFOEC, Los Angeles, USA, March 2012.**

**20. S. Yan, D. Wang, Y. Gao, C. Lu, ****A.P.T. Lau****, L. Liu and X. Xu, “Generation of Square or Hexagonal 16-QAM Signals**

** Using a Single Dual Drive IQ Modulator Driven by Binary Signals,” paper OW3H.3, OFC/NFOEC, Los Angeles, USA, March**

** 2012.**

**21. T. Dong, ****A.P.T. Lau**** and C. Lu, “WDM-PON System Based on Subcarrier Multiplexed Single Sideband Modulation,” Paper **

** 3A1-2, The 17th OptoElectronics and Communications Conference (OECC), Busan, Korea, July 2012.**

**22. Y. Gao, ****A.P.T. Lau**** and C. Lu, “Cycle-slip Resilient Carrier Phase Estimation for Polarization Multiplexed 16-QAM Systems,”**

** Paper 4B2-4, The 17th OptoElectronics and Communications Conference (OECC), Busan, Korea, July 2012.**

**23. Z. Dong, ****A.P.T. Lau**** and C. Lu, “OSNR Monitoring for PM-QPSK Systems in Presence of Fiber Nonlinearities for Digital**

** Coherent Receivers,” Paper 6B3-3, The 17th OptoElectronics and Communications Conference (OECC), Busan, Korea, July**

** 2012.**

**24. S.Yan, D. Wang, Y. Gao, C. Lu, ****A.P.T. Lau****, Y. Zhu, Y. Dai and X. Xu, “Generation of 64-QAM Signals Using a Single Dual-Drive**

** IQ Modulator Driven by 4-level and Binary Electrical Signals”, paper OW3C.5, OFC/NFOEC, Los Angeles, USA, March 2013.**