Abstract
8 × 26 GBd DP-GS256QAM super-channel with a net data rate of 2.29 Tb/s was received after 75 km transmission using a single 211-GHz optical receiver. The use of digital pre-distortion and tailored geometric constellation shaping led to an improvement of 1.2 bit/4D-sym in the achievable information rate.
© 2022 The Author(s)
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