Cross-phase-modulation-induced nonlinear phase noise in WDM direct-detection DPSK systems

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In direct-detection differential-phase-shift-keying (DPSK) systems, the signed-spontaneous emission beat noise introduces phase noise due to Kerr nonlinearity. In wave-length-division-multiplexed (WDM) systems, this nonlinear phase noise comes not only from the channel itself through self-phase modulation (SPM) but also from the other channels through cross-phase modulation (XPM). In this paper, we theoretically and experimentally investigate XPM-induced nonlinear phase noise. We calculate the performance degradation of DPSK systems caused by XPM-induced nonlinear phase noise in addition to SPM-induced phase noise and experimentally verify it using a 600-km nonzero-dispersion-shifted-fiber link.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2003-08
Language
English
Article Type
Article
Keywords

TRANSMISSION; AMPLIFIERS; FIBER

Citation

JOURNAL OF LIGHTWAVE TECHNOLOGY, v.21, no.8, pp.1770 - 1774

ISSN
0733-8724
DOI
10.1109/JLT.2003.815648
URI
http://hdl.handle.net/10203/201844
Appears in Collection
EE-Journal Papers(저널논문)
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