80-Gb/s 256-QAM Signals using Phase Noise and DGD-Tolerant Pilot-Carrier-Aided Homodyne Detection
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: PDFPersonal VDE Members are entitled to a 10% discount on this title
Kamio, Yukiyoshi; Nakamura, Moriya; Miyazaki, Tetsuya (National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan)
We investigated DGD tolerance enhancement for 80-Gb/s signals up to 20 ps by employing pilot-carrieraided self-homodyne detection with 10-Gsymbol/s 256-QAM, instead of 40-Gsymbol/s DQPSK, without using a narrow spectral linewidth light source.