A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM

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

doi:10.1364/OFC.2018.M3C.4

A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM

Information Theory 2018-11-06 v2 math.IT

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

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Abstract

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.

Keywords

coded modulation

Cite

@article{arxiv.1710.04134,
  title  = {A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM},
  author = {Eric Sillekens and Daniel Semrau and Gabriele Liga and Nikita A. Shevchenko and Zhe Li and Alex Alvarado and Polina Bayvel and Robert. I. Killey and Domaniç Lavery},
  journal= {arXiv preprint arXiv:1710.04134},
  year   = {2018}
}

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