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Perturbation Analysis of Nonlinear Propagation in a Strongly Dispersive Optical Communication System

Pontus Johannisson (Institutionen för mikroteknologi och nanovetenskap, Fotonik) ; Magnus Karlsson (Institutionen för mikroteknologi och nanovetenskap, Fotonik)
Journal of Lightwave Technology (0733-8724). Vol. 31 (2013), 8, p. 1273-1282 .
[Artikel, refereegranskad vetenskaplig]

We discuss an analytical model that predicts the impact of the Kerr nonlinearity in optical communication systems when the signal spectrum is wide and the accumulated dispersion during propagation is large. A detailed derivation of this model is given for a generalized system by means of a perturbation analysis of the Manakov equation with attenuation, gain, and third order dispersion included. As in the case with previous studies, three simplifying assumptions are necessary. These are that (i) the nonlinearity is weak, (ii) the input signal is of a given specific form, and (iii) the signal-noise interaction can be neglected. Under these assumptions, the result is found exactly. We also discuss the accuracy of the analytical result and show that third order dispersion has a small impact in practice.

Nyckelord: Communication system nonlinearities , nonlinear optics , optical fiber communication , wavelength division multiplexing



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Denna post skapades 2013-04-15. Senast ändrad 2014-09-02.
CPL Pubid: 175703

 

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