Schrödinger equation with a spatially and temporally random potential: effects of cross-phase modulation in optical communication.
We model the effects of cross-phase modulation in frequency (or wavelength) division multiplexed optical communications systems, using a Schrödinger equation with a spatially and temporally random potential. Green's functions for the propagation of light in this system are calculated using Feynman path-integral and diagrammatic techniques. This propagation leads to a non-Gaussian joint distribution of the input and output optical fields. We use these results to determine the amplitude and timing jitter of a signal pulse and to estimate the system capacity in analog communication.
Green
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AG
Theoretical Physics, Oxford University, United Kingdom.
Littlewood
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PB
Mitra
P P
PP
Wegener
L G L
LG