Abstract

This paper studies the effect of the probability of bit error using various chirped optical pulses on direct sequence optical code division multiple access (DS-OCDMA) system under group velocity dispersion (GVD) regime. Here, the Gaussian, Hyperbolic-secant and super-Gaussian shaped chirped pulses are used as optical orthogonal codes (OCCs), and they are employed as address sequence on OCMDA system. We have experimentally analysed the BER performance in terms of mentioned chirped pulses with standard single mode optical fiber, and the outputs are compared with the BER results when dispersion shifted fiber (DSF) is used. Finally, it is demonstrated that a significant improvement of BER performance is possible by the use of standard single mode optical fiber with proper chirped pulses under GVD regime.

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