Optical Communications in the 5G Era

Dr. Xiang Liu is the Vice President for Optical Transport and Access at Futurewei Technologies. He had been with Bell Labs working on high-speed optical transmission technologies for 14 years. Dr. Liu earned a Ph.D. degree in Applied Physics from Cornell University in 2000. He has authored more than 350 publications and holds more than 100 US patents. He has served as a General Co-Chair of 2018 Optical Fiber Communication Conference (OFC) and a Co-Editor of IEEE Communications Magazine's Optical Communications and Networks Series. He is currently serving as a Deputy Editor of Optics Express and an Advisory Board Member of the Next- Generation Optical Transport Forum. He was elected Fellow of the Optical Society of America (OSA) in 2011 for contributions to fundamental research in optical fiber communications that have been incorporated in commercial systems, including high-speed phase-shift keyed transmission and nonlinearity mitigation, and Fellow of the Institute of Electrical and Electronics Engineers (IEEE) in 2017 for contributions to broadband optical fiber communication systems and networks. Since 2017, he has been teaching an OFC short course on Optical Communication Technologies for 5G. He has also served as a co-organizer of OSA’s first 5G Summit held in 2019 and second 5G Summit held in 2021.

1. Introduction
2. 5G Wireless technologies
3. Optical interfaces for 5G radio access network
4. Optical technologies for 5G X-haul
5. Digital signal processing assisted radio-over-fiber
6. Point-to-multipoint transmission
7. Cloud data center optics
8. High-capacity long-haul optical fiber transmission
9. Superchannel transmission and flexible-grid wavelength routing
10. 50-Gb/s passive optical network (50G-PON)
11. The fifth generation fixed network (F5G)
12. Future trends and concluding remarks