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Optica Publishing Group
  • Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
  • OSA Technical Digest (Optica Publishing Group, 2020),
  • paper M4A.261
  • https://doi.org/10.1364/ACPC.2020.M4A.261

QPSK-Assisted MIMO Equalization for 800-Gb/s/λ DP-256QAM Systems

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Abstract

A QPSK-assisted MIMO equalization is investigated to compensate bandwidth limitation for 800-Gb/s/λ DP-256QAM systems with only 25G-class optics. Compared with conventional MIMO equalization, the proposed equalization scheme exhibits 1.8-dB OSNR improvement at 15% FEC limit.

© 2020 The Author(s)

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