Abstract
With the help of pure backward distributed Raman amplification and ultra-low-loss G.654.E fibre, for the first time, a record 2018-km transmission with OSNR margin of 3.39 dB can be achieved by 10-λ×800-Gb/s sub-carrier-multiplexing 95-GBd DP-64QAM-PCS signals at 112.5-GHz grid.
© 2022 The Author(s)
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