Abstract
We experimentally demonstrate uncompensated error-free transmission of 400 Gbps real-time coherent DP-16QAM with Nyquist filtering (5.33 bit/s/Hz) over 500 km (resp. 300 km) of G.652 (resp. G.655) fibre using purely EDFA amplification and taking into account 2 dB margins.
© 2015 Optical Society of America
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