Coherence effect of four-wave mixing in a dispersion-managed fiber link

For an optical link using a dispersion-managed fiber (DMF) in a wavelength-division multiplexing system, the performance degradation due to inadvertent phase matching of four-wave mixing (FWM) products is investigated analytically and numerically. The analysis has shown that the phase mismatch param...

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Bibliographic Details
Published in:Optical fiber technology 2003, Vol.9 (1), p.37-56
Main Authors: Lee, Jaedeuk, Song, G.Hugh
Format: Article
Language:English
Subjects:
Chromatic dispersion
Dispersion-managed fiber
Four-wave mixing
Optical fiber communications
Wavelength-division multiplexing
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Summary:For an optical link using a dispersion-managed fiber (DMF) in a wavelength-division multiplexing system, the performance degradation due to inadvertent phase matching of four-wave mixing (FWM) products is investigated analytically and numerically. The analysis has shown that the phase mismatch parameters in all possible FWM products in a DMF link become integer multiples of a common divisor and that, if this divisor coincides with an integer multiple of π radian, the Q-penalty caused by FWM can be quenched in theory. Periodic fluctuation of the Q-penalty curves obtained by Monte-Carlo simulation is shown verifying such a coherence effect of the FWM. An optimized design taking advantage of this coherence effect is suggested based on the result from the present analysis.
ISSN:1068-5200
1095-9912
DOI:10.1016/S1068-5200(02)00524-2