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Management of OCDMA auto-correlation width by chirp manipulation using SOA

Ahmed, Md Shakil and Glesk, Ivan (2018) Management of OCDMA auto-correlation width by chirp manipulation using SOA. IEEE Photonics Technology Letters, 30 (9). ISSN 1041-1135

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Abstract

In order to preserve the performance of incoherent OCDMA systems it is imperative to maintain the width of the OCDMA auto-correlation function. This can be challenging in OCDMA systems when using multi-wavelength pico-second pulses as code carriers. In this respect, a Semiconductor Optical Amplifier (SOA) was used to control the chirp of OCDMA code carriers before fiber transmission, and the resulting effect on the recovered OCDMA auto-correlation was investigated at the receiving end after a 16 km long transmission in a fiber optic testbed with imperfectly balanced chromatic dispersion (CD)