Clustered Cascaded Optical-Electrical Feedforward Equalization for C-Band Single-Lane 100G ER PAM4 IM/DD Systems

Xiaoqian Huang, Fei Xie,Wen Zuo,Yaojun Qiao

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

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摘要

A low-complexity clustered cascaded optical-electrical feedforward equalization (OE-FFE) scheme is proposed and verified for C-band dispersion-limited high-speed IM/DD PAM4 systems. 7% FEC threshold is achieved for 122Gb/s 40-km PAM4 system with only 35 real-valued multiplications.

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关键词

Intensity-modulation and direct-detection,opti-cal signal processing,low complexity

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