Transmission capacities of 34.9Tb/s over 6375 km based on Gaussian-like DP-64APSK and 33.3 Tb/s over 6800 km using DP-32QAM are demonstrated using hybrid spans with quasi-single-mode fiber. Nonlinear compensation enables 8.3 b/s/Hz spectral efficiency.

© 2016 Optical Society of America

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