Nonlinear Distortion Mitigation with Non-Orthogonal DFT-precoding for DML-Based OFDM Optical Systems.

Peiji Song,Zhouyi Hu,Yizhan Dai,Chun-Kit Chan

OFC（2023）

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摘要

We propose to use non-orthogonal DFT-matrix precoding to mitigate the nonlinear distortion induced by chirp and fiber dispersion in a 10-Gb/s DML-based OFDM optical system, with 0.83-dB sensitivity improvement over the third-order Volterra nonlinear equalizer. (c) 2022 The Author(s)

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关键词

0.83-dB sensitivity improvement,chirp,DML-based,fiber dispersion,nonlinear distortion mitigation,nonorthogonal DFT-matrix,nonorthogonal DFT-precoding,optical system,third-order Volterra nonlinear equalizer

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