80-Gb/s 256-QAM Signals using Phase Noise and DGD-Tolerant Pilot-Carrier-Aided Homodyne Detection
Konferenz: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
16.09.2007- 20.09.2007 in Berlin, Germany
Tagungsband: ECOC 2007
Seiten: 2Sprache: EnglischTyp: PDF
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Autoren:
Kamio, Yukiyoshi; Nakamura, Moriya; Miyazaki, Tetsuya (National Institute of Information and Communications Technology (NICT), 4-2-1, Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan)
Inhalt:
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.