Our research focuses on the discovery and understanding of physical phenomena, as well as on innovative design, development and demonstration of photonic and related technologies for practical applications that range from optical fiber communications to sensing and microwave photonics. Examples of research topics include fiber-optic based generation of high quality frequency comb source, advanced optical signal processing schemes, and investigation of high performance optical receivers using efficient digital processing techniques and novel waveguide devices. In addition, we explore photonic approaches to enhance the generation and processing of microwave signals, such as DFT-based waveform processing and Raman enhanced optical parametric sampling. All these work aim at contributing to next-generation optical communication and photonic subsystems.
Our research papers on "All-Optical Purification of Arbitrary Spectral Waveforms via Cross-Phase Modulation Based Spectral Talbot Amplifier" by Zijian Li and co-workers and "Ultra-Compact Optical Convolutional Accelerators Based on Polarization-Independent Metasurfaces" by Mingcheng Luo co-supervised by Prof. Chaoran Huang were presented at CLEO in San Jose.
Professor Chester Shu visited Shanghai Jiao Tong University. He delivered a seminar on his research and promoted Hong Kong PhD Fellowship Admission Scheme to potential applicants.
Professor Chester Shu was appointed a Member of the Engineering Panel (Joint Research Schemes) for a period of 2 years by the Research Grants Council. The panel is responsible for handling and reviewing project proposals for six Joint Research Schemes managed by RGC in operation with the Mainland (NSFC/RGC Joint Research Scheme) and overseas regions.
Our new project "Silicon Photonic Integrated Circuits Enabled Intelligent Multi-Dimensional Optical Signal Processing for High-Capacity Communication Systems" has been funded by the NSFC/RGC Joint Research Scheme for a period of four years from 1/2023 to 12/2026. The key collaborator of the joint project is Professor Jian Wang of Wuhan National Laboratory for Optoelectronics/Huazhong University of Science and Technology. Total funding awarded is 1,240,269 HKD plus 1,000,000 RMB.
Welcome Chen Ding, Qiarong Xiao, and Guangzhao Yang to our research team as new PhD students!
- Chen received his BEng degree from University of Electronic Science and Technology of China and University of Glasgow in 2020. He also received his master of research from a joint program in University College London and University of Cambridge in 2022. Chen was admitted to our team through the CUHK Vice-Chancellor's PhD Scholarship Scheme.
- Qiarong received his B.S. degree in Opto-Electronics Information Science and Engineering from Sun Yat-sen University in 2022.
- Guangzhao received his B.S. degree in Opto-Electronics Information Science and Engineering from Sun Yat-sen University in 2022.
Professor Chester Shu presented an invited paper "Generation of programmable optical frequency combs for flexible-bandwidth optical transmitters" at IEEE Photonics Society Summer Topicals Meeting (SUM 2022), Cabo San Lucas, Mexico.
Our new GRF project "Programmable optical processing schemes empowered by temporal and spectral Talbot effects" has been funded by the Research Grants Council for a period of three years from 1/2023 to 12/2025.
Our paper "Tunable optical frequency comb with hundred-GHz spacings generated on a silicon waveguide" published in Optics Letters is among the Top Downloads in June 2022.
Professor Chester Shu co-organized the conference workshop "Time to Face the Cost Per Bit Crunch: Trends and Expectations for the Next Decade" in OFC Conference.
Yuanfei Zhang presented our work "Generation of optical frequency comb via cross-phase modulation in an SOI waveguide" in OFC Conference.
Our paper "Optimum constellation size for probabilistically shaped signals in the presence of laser phase noise" was published in Journal of Lightwave Technology.
New project "Study on optical frequency comb system for high-sensitivity and wide-detection range lidar" has been funded by CIOMP, CAS, over the period of 6/2022 to 12/2023.
Professor Chester Shu was elected Optica (formerly OSA) Fellow of the 2022 Class for "seminal contributions to effective control and processing of optical signals in communications".
Professor Chester Shu presented an invited paper "Cross phase modulation in a SOI waveguide for programmable optical frequency comb generation" in OSA Photonics in Switching and Computing Conference.
Welcome Zijian Li, Mingcheng Luo, and Ziyue Zhang as new PhD students in our research team!
- Zijian received his BEng degree (1st class honor) in Electronic and Communication Engineering from City University of Hong Kong in 2021.
- Mingcheng received his bachelor's degree from Jiangxi Normal University in 2017 and his master degree from Nanjing University in 2020.
- Ziyue received his bachelor's degree from Zhejiang University in 2021.
Yuanfei Zhang presented our work "Magnification of slow light delay using four-wave mixing interferometer on a silicon chip" in OSA Nonlinear Optics Topical Meeting.
Dr. Qiulin Zhang joined HiSilicon as a Senior Engineer in Analog Chip Design.
Dr. Qiulin Zhang presented our work "Impact of laser phase noise on optimizing the constellation size for probabilistically shaped signals" in OSA Advanced Photonics Congress, Signal Processing in Photonic Communications (SPPCom).
Honghui Zhang presented our work "Carrier enhancement for multichannel Kramers-Kronig detection via self-seeded Brillouin amplification" in OFC Conference.
Congratulations! Honghui Zhang has successfully completed her PhD thesis defense on "Advanced Optical Signal Processing for Self-coherent Detection Based Communication Networks".
Our paper "Viterbi and Viterbi algorithm based phase recovery for probabilistically shaped signals" was published in Journal of Lightwave Technology.
Our paper "Interferometric reduction of induced phase variation in stimulated Brillouin processing of light waves" was published in IEEE Photonics Technology Letters.
Our paper "One-to-sixteen wavelength multicast of optical single-sideband OFDM signals using a single pulsed pump" was published in IEEE Journal of Selected Topics in Quantum Electronics.
Our paper "Enhanced CSPR for a multichannel Kramers-Kronig receiver by self-seeded stimulated Brillouin scattering" was published in Optics Letters.
Professor Chester Shu was appointed a Senior Editor of IEEE Photonics Journal
Dr. Yun Gao joined Analog Photonics as a Senior Photonics Design Engineer. Analog Photonics is a Boston-based company developing disruptive LiDAR and Optical Communications technology.
Our paper on "Performance investigation of learning rate decay in LMS-based equalization" was published in IEEE Photonics Technology Letters.
Dr. Qiulin Zhang joined the Institute of Photonics Technology at Jinan University.
Professor Chester Shu delivered an invited presentation (online) on "Digital signal processing for signal-to-signal beating noise mitigation in direct detection based systems" at the Workshop on Short-reach applications: Current status, Trend and Demand, Asia Communications and Photonics Conference (ACP 2020), Beijing, China.
Dr. Qijie Xie joined Lijun Wang Lab of Peng Cheng Laboratory in Shenzhen.
Honghui Zhang was awarded the 2018-19 Outstanding Tutor Award of the Department of Electronic Engineering.
Professor Chester Shu presented an invited paper (online) "Multi-wavelength optical sampling with temporal lenticular lens" at IEEE Photonics Society Summer Topicals Meeting (SUM 2020), Cabo San Lucas, Mexico.
Professor Chester Shu was appointed the Subject Editor-in-Chief (Optical Communication) of IET Electronics Letters.
Our new GRF project "Optimum design of probabilistic shaping under the practical constraints of advanced optical transmission systems" has been funded by the Research Grants Council for a period of three years from 1/2021 to 12/2023.
Professor Chester Shu was nominated to serve in the technical program subcommittee of "Fiber-optic and waveguide devices and sensors" in OFC 2021, San Francisco, USA.
Yuanfei Zhang has completed his 3-month visiting research on "Stimulated Brillouin scattering in chalcogenide nanowaveguides" in Professor Benjamin Eggleton's group at the University of Sydney, Australia.
Professor Chester Shu presented an invited paper on "Low-Noise, Power-Efficient Amplitude Equalization of Optical Frequency Comb Using Nonlinear Wave Mixing" at the Asia Communications and Photonics Conference (ACP 2019), Chengdu, China.
Professor Chester Shu presented an invited paper on "Fiber-based Temporal Waveform Processor Enabled by Discrete Fourier Transform of Fractional-Rate Modulated Optical Pulse Train" at International Topical Meeting on Microwave Photonics (MWP2019), Ottawa, Canada.
Dr. Yun Gao was appointed as a Postdoctoral Researcher at the Photonics System Group of the University of California, San Diego, USA.
Welcome to our new PhD researcher Yibing Yao. Yibing received her BE degree in information engineering from the Nanjing University of Aeronautics and Astronautics, China, and the MSc degree in electronic engineering from the Hong Kong University of Science and Technology.
Congratulations! Ning Zhang has successfully completed his PhD thesis defense on " Advanced Optical Signal Processing Techniques Based on Four-wave Mixing Bragg Scattering for High-Speed Photonic Subsystems".
Congratulations! Junying Ru has successfully completed her PhD thesis defense on "High-performance multi-wavelength optical sampling".
Professor Chester Shu presented an invited paper on "Nonlinear Bragg Scattering for Coherent Addition of Light Waves and Its Applications" at the OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing (OECC/PSC 2019), Fukuoka, Japan.
Our new GRF project "Optical frequency comb regeneration and its application in multi-wavelength Kramers-Kronig detection systems for access and metro networks" has been funded by the Research Grants Council for a period of three years from 1/2020 to 12/2022.
Congratulations! Yun Gao has successfully completed her PhD thesis defense on "Graphene Optoelectronic Devices on Silicon Nitride Waveguide Platform".
Professor Chester Shu was invited as a Guest Editor of the Special Issue on "Optical Signal Processing" in IEEE Journal of Selected Topics in Quantum Electronics. Link
Yun Gao has completed her visiting research (10/2018-5/2019) on nanophotonics at the University of Washington, Seattle, in Professor Arka Majumdar's team.
Yun Gao received the OSA/Corning "Women in Optical Communications" Scholarship Award in the Optical Fiber Communications (OFC) Conference held at San Diego, CA, USA on 3 - 7 March 2019. Link
Honghui Zhang and Dr. Chaoran Huang received the OSA/Corning "Women in Optical Communications" Travel Grants in the Optical Fiber Communications (OFC) Conference held at San Diego, CA, USA on 3 - 7 March 2019.
Professor Chester Shu presented an invited paper on "Programmable Schemes on Temporal Processing of Optical Pulses for High-Speed Photonic Subsystems" at OFC The Optical Networking and Communication Conference & Exhibition (OFC 2019), San Diego, USA.
Congratulations! Qiulin Zhang has successfully completed her PhD oral defense on "Advanced Optical Modulation and Detection Schemes for Access and Metro Networks "
Professor Chester Shu was appointed a Subject Editor (Optical Communication) of IET Electronics Letters.
Congratulations! Huan Wu has successfully completed her PhD oral defense on "Digital Signal Processing Techniques Assisted Distributed Brillouin Optical Time Domain Analyzer Fiber Sensor"
Congratulations! Qijie Xie has successfully completed his PhD oral defense on "Programmable Schemes of Optical Pulse Processing for High-Speed Photonic Subsystems"
Nokia Bell Labs US/Holmdel Summer Internship awarded to Qiulin Zhang.
IEEE Photonics Conference Women in Photonics Travel Grants awarded to Qiulin Zhang.
H. Wu won 2018 CLEO-Pacific Rim Best Paper Award.
Congratulations! Bofang Zheng has successfully completed his PhD oral defense on "Raman Assisted Optical Processing for High Speed Coherent Communication Systems"
Congratulations! Jie Liu has successfully completed her PhD oral defense on "Stimulated Brillouin Scattering Based Microwave Photonics Subsystems"
Dr. Chaoran Huang was offered the position of Postdoctoral Research Associate at the Lightwave Communications Research Lab of Princeton University.
IEEE Photonics Conference Women in Photonics Travel Grants awarded to Jie Liu.
Dr. Jiaqi Wang was offered the position of Assistant Professor at Shenzhen University.