title: Estimation of the four-wave mixing noise probability-density function by the multicanonical Monte Carlo method.
abstract: The performance of high-powered wavelength-division multiplexed (WDM) optical networks can be severely degraded by four-wave-mixing- (FWM-) induced distortion. The multicanonical Monte Carlo method (MCMC) is used to calculate the probability-density function (PDF) of the decision variable of a receiver, limited by FWM noise. Compared with the conventional Monte Carlo method previously used to estimate this PDF, the MCMC method is much faster and can accurately estimate smaller error probabilities. The method takes into account the correlation between the components of the FWM noise, unlike the Gaussian model, which is shown not to provide accurate results.
authors.affiliation: Department of Informatics and Telecommunications, University of Athens, Panepistimiopolis Ilissia, Athens GR-15784, Greece. i.neokosmidis@di.uoa.gr
authors.forename: Ioannis
authors.initials: I
authors.lastname: Neokosmidis
authors.forename: Thomas
authors.initials: T
authors.lastname: Kamalakis
authors.forename: Aristides
authors.initials: A
authors.lastname: Chipouras
authors.forename: Thomas
authors.initials: T
authors.lastname: Sphicopoulos