Abstract

An analytical approach is presented for modeling cross talk and evaluating the bit error rate (BER) performance in a WDM network for link with optical cross connect (OXC). Factors affecting the magnitude of cross talk in the OXC are investigated and identified. The effects of OXC induced cross talk on the BER performance is evaluated at a bit rate of 10 Gbits∕s by optimizing different parameters. The results show that for optimized values of gate extinction ratio, filter transmission factor, and number of wavelengths and input fibers, the minimum input power is approximately −10to−8 dBm to maintain a BER of 10⁻⁹.

© 2007 Optical Society of America

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