Abstract

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.

© 2011 IEEE

Centimeter-level spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR

Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito
Opt. Express 19(20) 19122-19128 (2011)

Phase-noise-compensated optical frequency domain reflectometry with measurement range beyond laser coherence length realized using concatenative reference method

Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito
Opt. Lett. 32(22) 3227-3229 (2007)

Compensation of laser frequency tuning nonlinearity of a long range OFDR using deskew filter

Zhenyang Ding, X. Steve Yao, Tiegen Liu, Yang Du, Kun Liu, Junfeng Jiang, Zhuo Meng, and Hongxin Chen
Opt. Express 21(3) 3826-3834 (2013)

Beyond a 10⁷ range-resolution⁻¹ product in an OFDR based on a periodic phase noise estimation method

Chen Zou, Cuofu Lin, Tieliang Mou, Zhangjun Yu, Yunlong Zhu, Yao Zhu, Fanyang Dang, Yonggui Yuan, Jun Yang, Yuncai Wang, and Yuwen Qin
Opt. Lett. 47(20) 5373-5376 (2022)

Millimeter-resolution long-range OFDR using ultra-linearly 100 GHz-swept optical source realized by injection-locking technique and cascaded FWM process

Bin Wang, Xinyu Fan, Shuai Wang, Jiangbing Du, and Zuyuan He
Opt. Express 25(4) 3514-3524 (2017)