Fault detection technique for wavelength division multiplexing passive optical network using chaotic fiber laser

被引：14
|
作者：
Xu, Naijun [1 ]
Yang, Lingzhen [1 ,2 ]
Zhang, Juan [1 ]
Zhang, Xiangyuan [1 ]
Wang, Juanfen [1 ]
Zhang, Zhaoxia [1 ]
Liu, Xianglian [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Shanxi, Peoples R China
[2] Taiyuan Univ Technol, Minist Educ, Lab Adv Transducers & Intelligent Control Syst, Taiyuan 030024, Shanxi, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2014年 / 20卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Chaos; Fault location; Wavelength division multiplexing passive optical network; Fiber ring laser; TIME-DOMAIN REFLECTOMETRY; WDM-PON; BAND; LOCALIZATION;
D O I：
10.1016/j.yofte.2014.01.012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a fault localization method for wavelength division multiplexing passive optical network (WDM-PON). A proof-of-concept experiment was demonstrated by utilizing the wavelength tunable chaotic laser generated from an erbium-doped fiber ring laser with a manual tunable fiber Bragg grating (TFBG) filter. The range of the chaotic lasing wavelength can cover the C-band. Basing on the TFBG filter, we can adjust the wavelength of the chaotic laser to match the WDM-PON channel with identical wavelength. We determined the fault location by calculating the cross-correlation between the reference and return signals. Analysis of the characteristics of the wavelength tunable chaotic laser showed that the breakpoint, the loose connector, and the mismatch connector could be precisely located. A dynamic range of approximately 23.8 dB and a spatial resolution of 4 cm, which was independent of the measuring range, were obtained. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码：163 / 167
页数：5
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