Abstract

We experimentally investigated a superchannel consisting of 25 GHz spaced interleaved 3×18.67 GBaud DP-QPSK and 3×18.67 GBaud DP-16QAM. We showed a 0.3 dB improvement in the Q-value averaged over the center two channels compared to an all DP-16QAM superchannel with the same SE after transmission over 480 km and 560 km of SSMF.

© 2012 Optical Society of America

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