Effect of fibre nonlinearities in a WDM transmission system

Abstract In this paper the combined effect of major fibre nonlinearities at low data rates like stimulated Raman scattering and four wave mixing has been studied in a WDM transmission system. Analysis has been carried out to evaluate the signal to noise ratio in the presence of amplifier spontaneous emission noise. The system parameters such as interchannel separation, interamplifier separation have been estimated so as to get maximum signal to noise ratio.

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