Learned Digital Back-Propagation for Dual-Polarization Dispersion Managed Systems

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May 23, 2022
Mohannad Abu-romoh, Nelson Costa, Antonio Napoli, Bernhard Spinnler, Yves Jaouën, Mansoor Yousefi
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Digital back-propagation (DBP) and learned DBP (LDBP) are proposed for nonlinearity mitigation in WDM dual-polarization dispersion-managed systems. LDBP achieves Q-factor improvement of 1.8 dB and 1.2 dB, respectively, over linear equalization and a variant of DBP adapted to DM systems.

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