Field demonstration of modulation format adaptation based on pilot-aided OSNR estimation using 400Gbps/ch real-time DSP

Kazushige Yonenaga,Kengo Horikoshi,Seiji Okamoto,Mitsuteru Yoshida,Yutaka Miyamoto,Masahito Tomizawa, Takeshi Okamoto,Hidemi Noguchi,Jun-ichi Abe,Junichiro Matsui,Hisao Nakashima,Yuichi Akiyama,Takeshi Hoshida,Hiroshi Onaka,Kenya Sugihara,Soichiro Kametani,Kazuo Kubo,Takashi Sugihara

international conference on photonics in switching（2016）

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摘要

We present a modulation format adaptation experiment on a real-time DSP and field-installed fiber using pilot-aided OSNR estimation. With modulation adaptation, 56-channel 400Gbps-2SC-PDM-16QAM and 200Gbps-2SC-PDM-QPSK signals are successfully transmitted over 216km and 3246km SSMF, respectively.

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关键词

adaptive modulation,field trial,real-time DSP,400Gbps

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