Reduction of Nonlinear Inter-channel Crosstalk Penalty for DQPSK signal in Carrier Phase Locked WDM

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Inuzuka, Fumikazu; Yonenaga, Kazushige; Yamamoto, Shuto; Yamazaki, Etsushi; Takada, Atsushi (NTT Network Innovation Laboratories, NTT Corporation, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 239-0847 Japan)

This paper shows reduction of nonlinear inter-channel crosstalk penalty for DQPSK signal in carrier phase locked WDM. Experimental results show that carrier phase locking successfully suppresses the OSNR penalty caused by four-wave-mixing crosstalk.