A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for
  Square QAM

Sillekens, Eric; Semrau, Daniel; Liga, Gabriele; Shevchenko, Nikita A.; Li, Zhe; Alvarado, Alex; Bayvel, Polina; Killey, Robert. I.; Lavery, Domaniç

doi:10.48550/arXiv.1710.04134

A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM

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posted on 2023-11-30, 17:28 authored by Eric Sillekens, Daniel Semrau, Gabriele Liga, Nikita A. Shevchenko, Zhe Li, Alex Alvarado, Polina Bayvel, Robert. I. Killey, Domaniç Lavery

A new probabilistic shaping distribution that outperforms Maxwell-Boltzmann is studied for the nonlinear fiber channel. Additional gains of 0.1 bit/symbol MI or 0.2 dB SNR for both DP-256QAM and DP-1024QAM are reported after 200 km nonlinear fiber transmission.

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