Abstract
Multimode fibers (MMF) are enjoying a renewed attention boosted by recent advances in multimode complex nonlinear optics. Reason behind nonlinearity is occurred either due to intensity dependence of the medium refractive index or to inelastic-scattering phenomenon. The most commonly occurred non-linear effects in optical Multiple Input Multiple Output (O-MIMO) are the Kerr, Stimulated Brillouin Scattering (SBS) and Stimulated Raman Scattering (SRS) effects. The impact of Kerr, SBS and SRS instigate distortions to the optical signal transmission over MIMO transmission system. In this work, we focus on the impact of the optical Kerr, SBS and SRS effects on the overall performance of a MIMO transmission system. It is observed that in O-MIMO system, nonlinear effects degrade the system performance since many channels propagate simultaneously. They can result in pulse distortion and crosstalk between channels. Here, a comparative study between MIMO communication system with and without nonlinearities allows an accurate performance evaluation. The comparison is performed using Q-factor and Bit Error Rate (BER). The outcome is analyzed using OptiSystem software tool.
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