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

Yuxing Yuan; Wei Li; Jilong Han; Qiguang Feng; Haitao Yao; Qiang Zheng; Qianggao Hu; Shaohua Yu

doi:doi:10.3788/COL201715.031201

Chinese Optics Letters, 2017, 15 (3): 031201, Published Online: Jul. 25, 2018

Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison Download： 827次

Yuxing Yuan ¹Wei Li ^1,*Jilong Han ¹Qiguang Feng ¹Haitao Yao ¹Qiang Zheng ¹Qianggao Hu ²Shaohua Yu ³

Author Affiliations

¹ Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China

² Accelink Technologies Co., LTD, Wuhan 430074, China

³ State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of MPT, Wuhan 430074, China

Figures & Tables

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

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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[J]. Chinese Optics Letters, 2017, 15(3): 031201.

Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison Download： 827次

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

Fig. 2. Principle for identifying the faulty branch.

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

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

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

Fig. 6. Results of the measurements.

Fig. 7. Results of the measurements.

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Fault monitoring in passive optical network using code division multiplex-based dual-OTDR traces comparison Download： 827次

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

Fig. 2. Principle for identifying the faulty branch.

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

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

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

Fig. 6. Results of the measurements.

Fig. 7. Results of the measurements.

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