MLSE-Assisted Overlapped DFE for Error-Propagation Suppression in 201-Gb/s PAM-8 IM-DD Systems

Jiahao Zhou,Jing Zhang,Xue Zhao, Zhengyu Ma,Bo Xu,Kun Qiu

2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)（2023）

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摘要

We propose and experimentally demonstrate a maximum likelihood sequence estimation (MLSE)-assisted overlapped decision feedback filter (DFE) that can be pipelined and suppress the burst errors in a 201-Gb/s PAM-8 intensity modulation and direct-detection (IM-DD) system. We find the maximum length of burst errors resulted from DFE is reduced from 19 to 5.

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关键词

IM-DD,PAM-8,MLSE,DFE,burst errors

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