Asynchronous optical performance monitoring of RZ-DQPSK signals using delay-tap sampling

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Kozicki, Bartlomiej; Maruta, Akihiro; Kitayama, Ken-ichi (Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan)

We demonstrate optical performance monitoring of OSNR and chromatic dispersion in RZ-DQPSK signals using asynchronous delay-tap sampling. Our method provides precise qualitative estimation over a broad range of impairment levels and good degradation isolation.