Xiang Zhou
Xiang Zhou is currently a Tech Lead within Google DC optics group, leading Next-Gen optical interconnection technologies and roadmap development. Prior to join Google, He was with AT&T Labs-Research (Middletown, NJ, USA, 2001 to 2013), conducting research on various aspects of long-haul optical transmission and networking technologies, From 1999 to 2001, he was with Nanyang Technological University, Singapore, as a Research Fellow. Xiang Zhou received his Ph. D degree from BUPT in 1999.
Dr. Zhou has extensive publications in top Journals and conferences in his field, including several record-setting ‘hero’ results, which have received wide media reports. He holds more than 50 US patents with a dozen more pending. He currently serves as an associate editor for J. Lightwave Technology and is an OSA fellow. He also served on the editorial board of Optics Express and in the Program Committee of a variety of technical conferences.
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This is an invited OFC 2024 conference workshop talk regarding a new type of lower-power datacenter optics design choice: linear pluggable optics. In this talk I will discuss the fundamental performance constraints facing linear pluggable optics and their implications on DCN and ML use cases
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We review state-of-the-art datacenter technologies for 800G, 1.6T and beyond interconnect speeds, focusing on 200G per-lane IM-DD (intensity modulated-direct detect) and 800G-LR1 coherent-lite transmissions.
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We review state of art datacenter interconnect technologies for 800G, 1.6T and beyond networking speeds, with a special emphases on 200G per-lane IM-DD and 800G-LR1 coherent-lite
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Datacenter networks
Journal of Optics(2023) (to appear)
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This is an invited paper section, as part of an industry white paper, 2023 Roadmap on Optical Communication, to be published in Journal of Optics. This paper section reviews, from a high level, technology challenges and possible solutions to continue to scale datacenter network
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This is an OIF 800G LR standard contribution. This contribution proposes to revise 800G LR1 baseline link loss budget from 6dB at C-band wavelength to 8dB at O-band wavelength
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This is intended for IEEE802.3df contribution. In this contribution, we describe how to model four-wave-mixing (FWM) for datacenter interconnects systems, and why FWM could limit the achievable reach for 1.6Tb/s WDM-8 IM-DD systems
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This is intended for IEEE802.3df contribution. In this contribution, we describe the FEC requirements for 800GbE/1.6TbE optics from an operator's perspective, and how to make a fair comparison among different FEC options.
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800G LR1 Use Cases and Requirements Revisit
Optical Internetworking Forum, https://www.oiforum.com/, https://www.oiforum.com/(2021)
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This is contribution of campus networking application requirements to the OIF 800G-LR coherent-lite project.
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This is on OFC conference workshop talk, discussing the use cases of low-latency optical interconnect technology in modern datacenter
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This is an OFC 2022 conference panel talk. We review from high level about the right technology choice for 1.6Tb/s data center optics interconnects
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