Title :
Coherent OTDR used for fibre faults detection
Author :
Feng, Zhiyong ; Qiu, Shaofeng ; Wei, Yijia ; Li, Liangchuan ; Liu, Gordon Ning ; Xiong, Qianjin
Author_Institution :
Huawei Technologies Co., Ltd., Shenzhen, China
Abstract :
We have demonstrated a coherent OTDR based on log-detector. The effect of laser linewidth and electrical filter bandwidth on coherent OTDR performance is theoretically analyzed and experimentally investigated.
Keywords :
Band pass filters; Bandwidth; Fault detection; Optical filters; Optical noise; Optical receivers; Optical sensors; Optical signal processing; Probes; Space vector pulse width modulation; AOM; BPD; coherent OTDR; dynamic range; linewidth;
Conference_Titel :
Communications and Photonics Conference and Exhibition (ACP), 2009 Asia
Conference_Location :
Shanghai, China
Print_ISBN :
978-1-55752-877-3
Electronic_ISBN :
978-1-55752-877-3
