Optical Multipath Interference Mitigation for PAM4 Transmission Using Line Coding and High-pass Filtering.

Ning Cheng,Dechao Zhang,Dawei Ge, Yan Song, Meijuan Lv,Shanglin Li, Bin Lv,Xuezhe Zheng

OFC（2023）

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摘要

A simple method using DC-balanced line-coding and receiver-side high-pass filtering is proposed to mitigate MPI in high-speed PAM4 transmission. 5-dB improvement in MPI tolerance is achieved in both simulations and experiments for 25GBd PAM4 transmissions.

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关键词

25GBd PAM4 transmissions,5-dB improvement,DC-balanced line-coding,high-speed PAM4 transmission,line coding,MPI tolerance,optical multipath interference mitigation,receiver-side high-pass filtering

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