New semi-analytic formulas of the power spectral density (PSD) of single- and cross-channel nonlinear interference (NLI) in coherent optical links for which the Gaussian Noise (GN) model applies are presented. From the PSD, a new bound on cross-channel NLI power is obtained. The new formulas are useful to both quickly compute single- and cross-channel NLI power, and to test the accuracy of numerical routines that directly solve the double frequency integral in the GN reference formula.
Single- and cross-channel nonlinear interference in the Gaussian Noise model with rectangular spectra / Bononi, Alberto; O., Beucher; Serena, Paolo. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 21:26(2013), pp. 32254-32268. [10.1364/OE.21.032254]
Single- and cross-channel nonlinear interference in the Gaussian Noise model with rectangular spectra
BONONI, Alberto;SERENA, Paolo
2013-01-01
Abstract
New semi-analytic formulas of the power spectral density (PSD) of single- and cross-channel nonlinear interference (NLI) in coherent optical links for which the Gaussian Noise (GN) model applies are presented. From the PSD, a new bound on cross-channel NLI power is obtained. The new formulas are useful to both quickly compute single- and cross-channel NLI power, and to test the accuracy of numerical routines that directly solve the double frequency integral in the GN reference formula.| File | Dimensione | Formato | |
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