Dither-free, Accurate, and Robust Phase Offset Monitor and Control Method for Optical DQPSK Demodulator
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:
Tao, Z. (Fujitsu R&D Center Ltd., Beijing, P. R. China)
Isomura, A.; Rasmussen, J. C. (Fujitsu Laboratories Ltd., Kawasaki, Japan)
Hoshida, T. (Fujitsu Limited, Kawasaki, Japan)
Inhalt:
A dither-free phase offset monitor and control method for an optical DQPSK demodulator is proposed. The phase offset is controlled with better than 1 degree accuracy and Q-penalty below 0.1 dB for 43 Gb/s.