Long-Range Coherent OFDR With Light Source Phase Noise Compensation

被引：138

作者：

Ito, Fumihiko ^{[1
]}

Fan, Xinyu ^{[1
]}

Koshikiya, Yusuke ^{[1
]}

机构：

[1] NTT Access Network Serv Syst Labs, Ibaraki 3080805, Japan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 08期

关键词：

Fiber optics; noise cancellation; phase noise; reflectometry; FREQUENCY-DOMAIN REFLECTOMETRY; INTEGRATED-OPTIC SYSTEMS; LINEWIDTH FIBER LASER; SPATIAL-RESOLUTION; FMCW REFLECTOMETRY; MODULATOR; LIDAR; COMPONENTS; DIODE;

D O I：

10.1109/JLT.2011.2167598

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：

Recent progress on novel long-range coherent optical frequency domain reflectometry is reviewed along with its applications to diagnosing problems with optical fiber cables. The measurement range of a conventional C-OFDR is limited to the coherence length of the laser used as the light source, since the phase noise of the laser degrades the sharpness of the beat spectrum. We have developed phase-noise-compensated optical frequency domain reflectometry (PNC-OFDR) to overcome this limitation by introducing a novel phase-noise compensation technique, and we achieved a very high-resolution measurement over the fiber link length. We describe the principle of PNC-OFDR and recent related developments, and discuss its use in diagnosing issues with fiber networks.

引用

页码：1015 / 1024

页数：10

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