Researching | Geometric Probability Shaping in Coherent Optical Communication System

Acta Optica Sinica, Volume. 43, Issue 19, 1906002(2023)

Geometric Probability Shaping in Coherent Optical Communication System

Yichen Zhang¹, Jian Chen^1、*, Mengxin Zhao², Zehai Zhou², and Yingxiong Song¹

Author Affiliations

¹Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200444, China

²Shanghai Institute of Advanced Communication and Data Science, Shanghai University, Shanghai 200444, China

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Fig. 1. Geometric shaping of different constellations

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Fig. 2. Probability distribution of 16 constellation points

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Fig. 3. Coherent optical communication simulation system

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Fig. 4. BER simulation curve of different constellations

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Fig. 5. Experimental block diagram of coherent optical communication system

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Fig. 6. BER experiment and simulation curve of different constellations

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Fig. 7. SNR and BER curve under geometric shaping

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Yichen Zhang, Jian Chen, Mengxin Zhao, Zehai Zhou, Yingxiong Song. Geometric Probability Shaping in Coherent Optical Communication System[J]. Acta Optica Sinica, 2023, 43(19): 1906002

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Feb. 15, 2023

Accepted: Apr. 23, 2023

Published Online: Sep. 28, 2023

The Author Email: Jian Chen (chenjian@shu.edu.cn)

DOI:10.3788/AOS230554

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology