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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 20 — Oct. 7, 2013
  • pp: 23978–23984

Fiber fault location utilizing traffic signal in optical network

Tong Zhao, Anbang Wang, Yuncai Wang, Mingjiang Zhang, Xiaoming Chang, Lijuan Xiong, and Yi Hao  »View Author Affiliations

Optics Express, Vol. 21, Issue 20, pp. 23978-23984 (2013)

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We propose and experimentally demonstrate a method for fault location in optical communication network. This method utilizes the traffic signal transmitted across the network as probe signal, and then locates the fault by correlation technique. Compared with conventional techniques, our method has a simple structure and low operation expenditure, because no additional device is used, such as light source, modulator and signal generator. The correlation detection in this method overcomes the tradeoff between spatial resolution and measurement range in pulse ranging technique. Moreover, signal extraction process can improve the location result considerably. Experimental results show that we achieve a spatial resolution of 8 cm and detection range of over 23 km with −8-dBm mean launched power in optical network based on synchronous digital hierarchy protocols.

© 2013 OSA

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.4825) Instrumentation, measurement, and metrology : Optical time domain reflectometry

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 26, 2013
Revised Manuscript: August 25, 2013
Manuscript Accepted: September 18, 2013
Published: October 1, 2013

Tong Zhao, Anbang Wang, Yuncai Wang, Mingjiang Zhang, Xiaoming Chang, Lijuan Xiong, and Yi Hao, "Fiber fault location utilizing traffic signal in optical network," Opt. Express 21, 23978-23984 (2013)

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