Abstract:In this letter, the impact of fiber chromatic dispersion of the tested fiber on the performance of chaotic optical time-domain reflectometer (COTDR) is studied. We find that fiber dispersion will limit the dynamic range of COTDR and, hence, deteriorate the system performance considerably. Simple dispersion compensation can improve the performance of COTDR remarkably. Moreover, we show that this improvement is more pronounced for the COTDR with broader bandwidth. Our experimental results show that for the COTDR… Show more
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