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: PDF
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Authors:
Zhou, Xiang; Zhang, Guodong (AT&T Labs, Middletown, NJ, 07748, USA)
Yu, Jianjun; Wang, Ting (NEC Laboratories America, Princeton, NJ 08540, USA)
Abstract:
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.