Mitigation of temperature induced dispersion in optical fiber on OCDMA auto-correlation

Ahmed, Md Shakil and Glesk, Ivan (2017) Mitigation of temperature induced dispersion in optical fiber on OCDMA auto-correlation. IEEE Photonics Technology Letters. ISSN 1041-1135

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    Abstract

    We have experimentally investigated the influence of temperature on the OCDMA auto-correlation recovered after transmission in an optical fiber link when exposed to different temperature settings. The OCDMA system uses two dimensional wavelength-hopping time-spreading (2D-WH/TS) codes based on picosecond multi-wavelength pulses. To the best of our knowledge, we have confirmed for the first time experimentally that a recovered OCDMA auto-correlation will be affected by transmission link temperature changes. Our simulation results are in good agreement with experimental observations. We have also demonstrated that the observed auto-correlation width change can be mitigated by introducing a semiconductor optical amplifier as part of the OCDMA receiver.