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Chinese Optics Letters, Volume. 15, Issue 3, 031201(2017)

Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison

Yuxing Yuan1, Wei Li1、*, Jilong Han1, Qiguang Feng1, Haitao Yao1, Qiang Zheng1, Qianggao Hu2, and Shaohua Yu3
Author Affiliations
  • 1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2Accelink Technologies Co., LTD, Wuhan 430074, China
  • 3State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of MPT, Wuhan 430074, China
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    Figures&Tables (7)
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    Figures & Tables(7)
    Principle of a CDM-based dual-OTDR system. LD, laser diode; IM, intensity modulator.

    Fig. 1. Principle of a CDM-based dual-OTDR system. LD, laser diode; IM, intensity modulator.

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    Principle for identifying the faulty branch.

    Fig. 2. Principle for identifying the faulty branch.

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    The structure of a two-stage PON.

    Fig. 3. The structure of a two-stage PON.

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    Set-up of a CDM-based dual-OTDR.

    Fig. 4. Set-up of a CDM-based dual-OTDR.

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    Set-up of a two-stage PON.

    Fig. 5. Set-up of a two-stage PON.

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    Results of the measurements.

    Fig. 6. Results of the measurements.

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    Results of the measurements.

    Fig. 7. Results of the measurements.

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    Yuxing Yuan, Wei Li, Jilong Han, Qiguang Feng, Haitao Yao, Qiang Zheng, Qianggao Hu, Shaohua Yu, "Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison," Chin. Opt. Lett. 15, 031201 (2017)

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    Paper Information

    Category: Instrumentation, measurement, and metrology

    Received: Oct. 3, 2016

    Accepted: Dec. 23, 2016

    Published Online: Jul. 25, 2018

    The Author Email: Wei Li (weilee@hust.edu.cn)

    DOI:10.3788/COL201715.031201

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology