A
Alan Pak Tao Lau
Researcher at Hong Kong Polytechnic University
Publications - 278
Citations - 6931
Alan Pak Tao Lau is an academic researcher from Hong Kong Polytechnic University. The author has contributed to research in topics: Transmission (telecommunications) & Quadrature amplitude modulation. The author has an hindex of 36, co-authored 246 publications receiving 5457 citations. Previous affiliations of Alan Pak Tao Lau include University of Toronto & Stanford University.
Papers
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Journal ArticleDOI
Coherent detection in optical fiber systems
TL;DR: This work reviews detection methods, including noncoherent, differentially coherent, and coherent detection, as well as a hybrid method, and compares modulation methods encoding information in various degrees of freedom (DOF).
Journal ArticleDOI
Digital Signal Processing for Short-Reach Optical Communications: A Review of Current Technologies and Future Trends
TL;DR: An overview of recent DSP developments for short-reach communications systems is presented and future trends are discussed.
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Experimental study of PAM-4, CAP-16, and DMT for 100 Gb/s Short Reach Optical Transmission Systems
Kangping Zhong,Xian Zhou,Tao Gui,Li Tao,Yuliang Gao,Wei Chen,Jiangwei Man,Li Zeng,Alan Pak Tao Lau,Chao Lu +9 more
TL;DR: A detailed investigation on the performance of three advanced modulation formats for 100 Gb/s short reach transmission system, PAM-4, CAP-16 and DMT, and a comparison of computational complexity of DSP for the three formats is presented.
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Mode-division multiplexed transmission with inline few-mode fiber amplifier.
Neng Bai,Ezra Ip,Yue-Kai Huang,Eduardo Mateo,Fatih Yaman,Ming-Jun Li,Scott R. Bickham,Sergey Ten,Jesús Liñares,Carlos Montero,Vicente Moreno,Xesus Prieto,Vincent Tse,Kit Man Chung,Alan Pak Tao Lau,Hwa Yaw Tam,Chao Lu,Yanhua Luo,Gang-Ding Peng,Guifang Li,Ting Wang +20 more
TL;DR: In this paper, the authors demonstrate mode-division multiplexed WDM transmission over 50 km of few-mode fiber using the fiber's LP01 and two degenerate LP11 modes.
Journal ArticleDOI
Optical Performance Monitoring: A Review of Current and Future Technologies
TL;DR: The development of various OPM techniques for direct-detection systems and digital coherent systems are reviewed and future OPM challenges in flexible and elastic optical networks are discussed.