Effects of Preamplifier Nonlinearity on PMD Equalization with Electronic Dispersion Compensation for 43G DQPSK

Toshihiro ITOH  Tomofumi FURUTA  Hiroyuki FUKUYAMA  Koichi MURATA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E94-C   No.7   pp.1187-1192
Publication Date: 2011/07/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E94.C.1187
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
EDC,  PMD,  DQPSK,  

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Summary: 
We study effects of preamplifier nonlinearity on polarization mode dispersion (PMD) equalization performance of feed-forward equalizer (FFE) electronic dispersion compensation (EDC) IC. We have shown that a nonlinear limiting amplifier can be used as a preamplifier for FFE EDC IC for a 6-dB dynamic range.