Irregular QAM Formats for Short-Reach Amplifier-Less Coherent Optical Systems

Mengfan Fu; Qiaoya Liu; Yunyun Fan; Lilin Yi; Weisheng Hu; Qunbi Zhuge

European Conference on Optical Communication (ECOC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Tu5.35

Irregular QAM Formats for Short-Reach Amplifier-Less Coherent Optical Systems

Mengfan Fu, Qiaoya Liu, Yunyun Fan, Lilin Yi, Weisheng Hu, and Qunbi Zhuge

European Conference and Exhibition on Optical Communication 2022

Basel Switzerland
18–22 September 2022
ISBN: 978-1-957171-15-9

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Joint Poster Session I (Tu5)

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M. Fu, Q. Liu, Y. Fan, L. Yi, W. Hu, and Q. Zhuge, "Irregular QAM Formats for Short-Reach Amplifier-Less Coherent Optical Systems," in European Conference on Optical Communication (ECOC) 2022, J. Leuthold, C. Harder, B. Offrein, and H. Limberger, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Tu5.35.

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Abstract

A low-complexity scheme is proposed to realize irregular QAM formats in amplifier-less coherent optical systems. The simulation results show 36QAM and 49QAM achieve 2.32 dB and 1.9 dB gains of power budget over 64QAM at net bit rates of 650 Gbit/s and 750 Gbit/s, respectively.

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