Impact of strong optical filtering on DQPSK modulation formats
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
Zhou, Xiang; Zhang, Guodong (AT&T Labs, Middletown, NJ, 07748, USA)
Yu, Jianjun; Wang, Ting (NEC Laboratories America, Princeton, NJ 08540, USA)
We study the influence of strong optical filtering on DQPSK modulation formats and show that the performance can be significantly improved by using a delay- interferometer with larger free spectral range.