Inter-channel interference in multispan WDM transmissions around perfect dispersion-compensated region

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We have analytically and numerically evaluated the cross-phase modulation (XPM) induced crosstalk in the conventional single-mode fiber (SMF) network upgraded by using dispersion-compensating fiber (DCF). We assumed that DCFs are used as interstage components in dual-stage optical amplifiers. The result shows that, although XPM-induced intensity interference can be minimized by various dispersion deployment schemes, there exists an interference floor caused by XPM-seeded modulation instability (MI). Symmetrical dispersion compensation is the most promising scheme for upgrading the existing optical network, if the reduction of single-channel transmission penalty is considered together. (C) 2002 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2002-12
Language
English
Article Type
Article
Keywords

CROSS-PHASE MODULATION; INSTABILITY; FIBER; LINKS

Citation

OPTICS COMMUNICATIONS, v.213, no.4-6, pp.367 - 371

ISSN
0030-4018
DOI
10.1016/S0030-4018(02)02089-8
URI
http://hdl.handle.net/10203/79986
Appears in Collection
EE-Journal Papers(저널논문)
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