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

Fig. 1. Geometric shaping of different constellations

Fig. 2. Probability distribution of 16 constellation points

Fig. 3. Coherent optical communication simulation system

Fig. 4. BER simulation curve of different constellations

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

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

Fig. 7. SNR and BER curve under geometric shaping

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