Wideband Time-Domain Digital Backpropagation via Subband Processing and\n Deep Learning

2018/07/04 by Christian Häger, Henry D. Pfister, Häger, Christian +1
Engineering · #Advanced Photonic Communication Systems #FOS: Computer and information sciences #Information Theory (cs.IT) #Machine Learning (stat.ML) #Optical Network Technologies #Photonic and Optical Devices

paper · pdf · doi:10.48550/arxiv.1807.01545

openalex publication_date 2018/07/04 · openalex created_date 2022/08/04 · openalex updated_date 2026/08/01

Abstract

We propose a low-complexity sub-banded DSP architecture for digital\nbackpropagation where the walk-off effect is compensated using simple delay\nelements. For a simulated 96-Gbaud signal and 2500 km optical link, our method\nachieves a 2.8 dB SNR improvement over linear equalization.\n

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