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Flexible Transmission Enabled by Novel M2-QAM Formats with Record Distance - Spectral Efficiency Tuneability

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Abstract

We propose a variable M2-QAM format and coding scheme and demonstrate record distance - spectral efficiency tuneability by 6.4 bit/s/Hz and ΔL≈18x, respectively, at 400 and 600 Gb/s per carrier and report record terrestrial reach for high spectral efficient up to 256QAM.

© 2018 The Author(s)

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