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Conferences > OFC > 2022 > W4I > W4I.1

Modified Weighted Learned Digital Backpropagation with Pre-optimization in High-symbol-rate Coherent Systems

Du Tang, Zhen Wu, Xizi Tang, Jiating Luo, Ji Luo, Bofang Zheng, and Yaojun Qiao

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Abstract

A modified weighted learned digital backpropagation (M-W-LDBP) with pre-optimization is proposed for fiber nonlinearity compensation in high-symbol-rate coherent systems. Compared with LDBP, M-W-LDBP exhibits 1/0.7 dB signal-to-noise ratio gain in 90/128-GBaud systems, respectively.

© 2022 The Author(s)

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