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

Jing Xia Li; Hang Xu; Li Liu; Peng Cheng Su; Jian Guo Zhang

doi:10.1117/1.OE.54.5.056101

12 May 2015 Chaotic optical time-domain reflectometry using a distributed feedback laser diode modulated by an improved Colpitts oscillator

Jing Xia Li, Hang Xu, Li Liu, Peng Cheng Su, Jian Guo Zhang

Author Affiliations +

Optical Engineering, Vol. 54, Issue 5, 056101 (May 2015). https://doi.org/10.1117/1.OE.54.5.056101

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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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," Optical Engineering 54(5), 056101 (12 May 2015). https://doi.org/10.1117/1.OE.54.5.056101

Published: 12 May 2015

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