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, Domanic
Publication date
June 2018
DOI Publisher
Institute of Electrical and Electronics EngineersAbstract
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.</p
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