Fault-detection technique in a WDM-PON

We propose and demonstrate a new in-service fault-localization method for a wavelength division multiplexing passive optical network (WDM-PON). This scheme uses a tunable OTDR realized by a wavelength-locked Fabry-Perot laser diode. We successfully detect the faults both at the feeder fiber and the drop fibers. The resolution and the dynamic range are 100 m and 12 dB, respectively. In addition, the crosstalk induced by the OTDR signal to the transmission data is negligible. (c) 2007 Optical Society of America.
Publisher
OPTICAL SOC AMER
Issue Date
2007-02
Language
ENG
Keywords

SINGLE-MODE FIBER; OTDR

Citation

OPTICS EXPRESS, v.15, no.4, pp.1461 - 1466

ISSN
1094-4087
URI
http://hdl.handle.net/10203/3837
Appears in Collection
EE-Journal Papers(저널논문)
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