Error Probability of DPSK Signals with Intrachannel Four-Wave-Mixing in Highly Dispersive Transmission Systems
Resource
IEEE Photonics Technology Letters 17 (4): 789-791
Journal
IEEE Photonics Technology Letters
Pages
789-791
Date Issued
2005
Date
2005
Author(s)
Ho, Keang-Po
Abstract
A semianalytical method evaluates the error probability of differential phase-shift keying signals with intrachannel four-wave mixing in a highly dispersive fiber link with strong pulse overlap. Depending on initial pulsewidth, the mean nonlinear phase shift of the system can be from 1 to 2 rad for signal-to-noise ratio penalty less than 1 dB. An approximated empirical formula, valid for penalty less than 2 dB, uses the variance of the differential phase of the ghost pulses to estimate the penalty.
Type
journal article
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