Four-wave mixing in wavelengthdivision–multiplexed soliton systems:ideal fibers
- 1 July 1997
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 14 (7) , 1788-1794
- https://doi.org/10.1364/josab.14.001788
Abstract
Analytic expressions for four-wave-mixing terms in an ideal, lossless wavelength–division-multiplexed soliton system are derived with an asymptotic expansion of the N-soliton solution of the nonlinear Schrödinger equation. The four-wave contributions are shown to grow from a vanishing background and then to decay. Their importance becomes evident in real, nonideal fibers, where they grow by an order of magnitude and equilibrate to a stable value as an effect of periodic amplification.Keywords
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