Evaluation and analysis of non-linear effect in WDM optical network

Abstract

Non-Linear effects in Optical networks are occurred due to the refractive index of the optical transmitting medium depending on the intensity of light. One of the most commonly occurred non-linear effect in optical network is the Self phase modulation (SPM) phenomenon. The impact of self-phase modulation instigates distortions to the optical signal transmission over desired configuration of spectrally systematic wavelength division multiplexing (WDM) optical fiber transmission system. Here we imitated the results for fiber optical network on different lengths of fiber. We investigate the results on the basis of Q-factor, jitter, BER at multiple values of dispersion and bit rate. We had analyzed the variation in optical dispersion from -8ps/ns/km to 8ps/ns/km and had realized the result through eye diagram. We have observed the optical spectrum for input and output from of signal mediation. For multiple values of fiber length, Data rate, emission frequency we have examine the BER and Q-factor. The outcome is analyzed using optical software tool i.e. OPTSIM.