Modeling of Nonlinear Interference Power for Dual-Polarization 4D Formats
Gabriele Liga, Bin Chen, Astrid Barreiro, and Alex Alvarado
TL;DR
This paper evaluates a nonlinear interference model for dual-polarization 4D formats, showing it closely matches split-step Fourier simulations with less than 0.1 dB deviation, improving modeling accuracy.
Contribution
It introduces and validates a nonlinear interference model specifically for dual-polarization 4D formats, achieving higher accuracy than previous models for polarization-multiplexed 2D formats.
Findings
Model achieves within 0.1 dB of split-step Fourier simulations.
Accurately predicts nonlinear interference in dual-polarization 4D formats.
Enhances understanding of nonlinear effects in advanced optical communication formats.
Abstract
We assess the accuracy of a recently introduced nonlinear interference model for general dual-polarization 4D formats.~ Unlike previous models for polarization-multiplexed 2D formats, an average gap from split-step Fourier simulations within 0.1 dB is demonstrated.
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