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Advanced 400G-SerDes Modulations and Equalizers for GPU Cluster in AI Era
Sheng Chen, Zhengxiang Cheng, Ji Zhou +5
High-speed GPU cluster interconnects are evolving from 200 to 400 Gbps to meet the growing computing demands of artificial intelligence. We investigate high-order modulation and ad…
Burst-mode timing recovery based on fourth-power phase detector for passive optical networks
Ji Zhou, Haide Wang, Xiaofeng Zhang +5
Driven by the ever-increasing capacity demands, 50G passive optical network (50G-PON) is ready for practical application. It is highly challenging to realize 50GHz burst-mode analo…
Carrier Leakage Suppression and Power Difference Equalization for TFDMA Coherent PON
Ji Zhou, Haide Wang, Liangchuan Li +2
In this invited talk, we demonstrate the carrier leakage suppression and power difference equalization based on semiconductor optical amplifier (SOA) for TFDMA-based coherent PON,…
Low-Latency and Low-Complexity MLSE for Short-Reach Optical Interconnects
Mengqi Guo, Ji Zhou, Haide Wang +3
To meet the high-speed, low-latency, and low-complexity demand for optical interconnects, simplified maximum likelihood sequence estimation (MLSE) is proposed in this paper. Simpli…