Predicting Nonlinear Interference for Short-Blocklength 4D Probabilistic Shaping

We derive a heuristic nonlinear interference model for 4D probabilistic shaping considering the polarization and time correlation of the 4D symbols. We demonstrate an average SNR prediction gap from split-step Fourier simulations of 0.15~dB.

Publication Details

Journal
ArXiv.org
Published
2025-02-27
Primary Topic
Optical Network Technologies
Type
article
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article

Predicting Nonlinear Interference for Short-Blocklength 4D Probabilistic Shaping

ArXiv.org
Optical Network Technologies
article

Predicting Nonlinear Interference for Short-Blocklength 4D Probabilistic Shaping

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Abstract

We derive a heuristic nonlinear interference model for 4D probabilistic shaping considering the polarization and time correlation of the 4D symbols. We demonstrate an average SNR prediction gap from split-step Fourier simulations of 0.15~dB.

ArXiv.org
Openalex Percentile: Top 53%
Optical Network Technologies
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Predicting Nonlinear Interference for Short-Blocklength 4D Probabilistic Shaping · ArXiv.org (2025) | TGRS Research Map | TGRS