Abstract
Frequency-domain hybrid modulation with N x 100 Gb/s/subcarrier regular QAMs is proposed. Superchannel spectral manipulation achieved 1.5 dB Q-margin increase for a 300 Gb/s superchannel with DP-QPSK and DP-16QAM for 900 km real-time transmission.
© 2017 Optical Society of America
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