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In this work, an effort has been attempted for the comprehensive theoretical analysis to evaluate the impact of higher order dispersion (HOD) coefficients on non-linear crosstalk in SCM–WDM communication systems. The results are obtained to compute the inter-channel crosstalk due to XPM fiber nonlinearity under the individual influence of 2OD-, 3OD-, 4OD- and 5OD-coefficient at different modulation frequencies. The results are reported at varied values of optical span and input channel power, as these both parameters enhance the amount of crosstalk due to fiber nonlinearity in the SCM-WDM systems. This work is also carried out by taking into consideration of the different values of modulation index and walk-off parameter.

Theoretical Investigation of XPM Induced Crosstalk under the Impact of Higher Order Dispersion (HOD) in SCM-WDM Transmission Link