Fiber Nonlinearity Compensation Using Deep Neural Network and Second-Order Perturbation Theory

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May 20, 2021
O. S. Sunish Kumar, Lutz Lampe, Shenghang Luo, Mrinmoy Jana, Jeebak Mitra, Chuandong Li
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We propose a fiber nonlinearity post-compensation technique using the DNN and the second-order perturbation theory. We achieve 1 dB Q-factor improvement for a 32 Gbaud PDM-64-QAM at 1200 km compared to the linear dispersion compensation.

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