Lasers, Fiber Optics, and Communications

Chaotic optical time-domain reflectometry using a distributed feedback laser diode modulated by an improved Colpitts oscillator

[+] Author Affiliations
Jing Xia Li, Hang Xu, Li Liu, Peng Cheng Su, Jian Guo Zhang

Taiyuan University of Technology, Ministry of Education, College of Physics and Optoelectronics, Key Laboratory of Advanced Transducers and Intelligent Control System, No. 79 West Street of Yingze, Taiyuan 030024, China

Opt. Eng. 54(5), 056101 (May 12, 2015). doi:10.1117/1.OE.54.5.056101
History: Received January 7, 2015; Accepted April 6, 2015
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Abstract.  We report a chaotic optical time-domain reflectometry for fiber fault location, where a chaotic probe signal is generated by driving a distributed feedback laser diode with an improved Colpitts chaotic oscillator. The results show that the unterminated fiber end, the loose connector, and the mismatch connector can be precisely located. A measurement range of approximately 91 km and a range independent resolution of 6 cm are achieved. This implementation method is easy to integrate and is cost effective, which gives it great potential for commercial applications.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jing Xia Li ; Hang Xu ; Li Liu ; Peng Cheng Su and Jian Guo Zhang
"Chaotic optical time-domain reflectometry using a distributed feedback laser diode modulated by an improved Colpitts oscillator", Opt. Eng. 54(5), 056101 (May 12, 2015). ; http://dx.doi.org/10.1117/1.OE.54.5.056101


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