28 January 2006 Fault localization in WDM PON by reusing downstream light sources
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Proceedings Volume 6025, ICO20: Optical Communication; 60251B (2006) https://doi.org/10.1117/12.667058
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
We propose and demonstrate a simple and cost-effective technique to detect and localize the fiber failures in WDM PON. By reusing the downstream lasers as WDM light sources for the optical time-domain reflectometry, the proposed technique can localize the failures in both feeder and drop fibers without using the expensive tunable laser.
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K. W. Lim, E. S. Son, K. H. Han, Y. C. Chung, "Fault localization in WDM PON by reusing downstream light sources", Proc. SPIE 6025, ICO20: Optical Communication, 60251B (28 January 2006); doi: 10.1117/12.667058; https://doi.org/10.1117/12.667058

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