Effects of Four Wave Mixing on an Optical WDM System by using Dispersion Shifted Fibre

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Author(s) Nahyan Al Mahmud | Bobby Barua
Pages 1124-1128
Volume 2
Issue 7
Date July, 2012
Keywords Dispersion shifted fibre (DSF), four-wave mixing (FWM), signal to noise ratio (SNR), bit error rate (BER), wavelength division multiplexing (WDM).

Abstract

The trend toward higher bit rates in lightwave communication has interest in dispersion-shifted fibre to minimize dispersion penalties. At the same time optical amplifiers have increased interest in wavelength multiplexing. These two methods of increasing system capacity if used together can result in severe degradation due to fibre nonlinearity. So the effect of dispersion, input power, fibre length and channel spacing on the bit error rate and received or resultant power are investigated in our study. The performances are analyzed in terms of transmitted channel power, channel spacing and bit error rate (BER) of the system.

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