Model-aided Geometrical Shaping of Dual-polarization 4D Formats in the Nonlinear Fiber Channel

Gabriele Liga; Bin Chen; Bin Chen; Alex Alvarado

doi:10.1364/OFC.2022.Th1H.3

Optical Fiber Communication Conference (OFC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Th1H.3
•https://doi.org/10.1364/OFC.2022.Th1H.3

Model-aided Geometrical Shaping of Dual-polarization 4D Formats in the Nonlinear Fiber Channel

Gabriele Liga, Bin Chen, and Alex Alvarado

Optical Fiber Communication Conference 2022

San Diego, California United States
6–10 March 2022
ISBN: 978-1-55752-466-9

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Advanced Modulation and Signal Processing (Th1H)

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G. Liga, B. Chen, and A. Alvarado, "Model-aided Geometrical Shaping of Dual-polarization 4D Formats in the Nonlinear Fiber Channel," in Optical Fiber Communication Conference (OFC) 2022, S. Matsuo, D. Plant, J. Shan Wey, C. Fludger, R. Ryf, and D. Simeonidou, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Th1H.3.

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Abstract

The geometry of dual-polarization four-dimensional constellations is optimized in the optical fiber channel using a recent nonlinear interference model. A 0.27 bit/4D rate gain and 13% reach increase are attained compared to polarization-multiplexed formats.

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