Abstract
In fibre optic transmission system self phase modulation (SPM) and cross phase modulation (XPM) cause interference between optical fields. The allowable input power and system capacity are limited by these effects. Also at high bit rate the transmission distance is limited by group velocity dispersion (GVD). In this research paper the comparison between the effect of XPM with SPM & GVD and SPM with CD on optical pulse have been done in terms of pulse broadening factor. The result have evaluated at different bit rate and different input power.
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