Optimization Of Networks Carrying Super-Channels With Different Modulation Formats For Maximum Spectral Efficiency And Reach

Olga Vassilieva,Tomohiro Yamauchi,Shoichiro Oda,Inwoong Kim,Motoyoshi Sekiya,Takeshi Hoshida,Yasuhiko Aoki,Jens C. Rasmussen,Tadashi Ikeuchi

2016 21ST OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) HELD JOINTLY WITH 2016 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS)（2016）

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Abstract

Optimization of optical network carrying mix of 1Tb/s 5sc-DP-16QAM and 400Gb/s 4sc-DP-QPSK superchannels reveals that subcarrier power pre-emphasis together with 12.5GHz guard band can maximize capacity-reach performance of each superchannel, while guard band alone can't.

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Key words

flexible grid, superchannel, power pre-emphasis, spectral efficiency, reach, nonlinearity, guard band

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