Spectral analysis of Brillouin dynamic gratings in polarization-maintaining fibers

被引：3
|
作者：
Xu, Xinyu [1 ]
Zhou, Da-Peng [1 ]
Peng, Wei [1 ]
机构：
[1] Dalian Univ Technol, Sch Phys, Dalian 116024, Liaoning, Peoples R China
来源：
APPLIED OPTICS | 2022年 / 61卷 / 10期
基金：
中国国家自然科学基金;
关键词：
BRAGG GRATINGS; OPTICAL-FIBER; STRAIN; BIREFRINGENCE; SCATTERING; DISCRIMINATION; GENERATION; WRITTEN; SENSOR;
D O I：
10.1364/AO.453485
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Experiment observations show that the spectra of Brillouin dynamic gratings in polarization-maintaining fibers based on a polarization decoupled scheme are quite broad and usually have multiple peaks. In this paper, we measure the birefringence distribution along polarization-maintaining fibers with high spatial resolution using optical frequency-domain reflectometry. Based on birefringence measurements, both the simulation and experiment are carried out to determine the spectra of Brillouin dynamic gratings generated within the same polarization-maintaining fibers, indicating quantitatively that spectral broadening and irregularity are mainly due to phase mismatch caused by the non-uniformity of birefringence along polarization-maintaining fibers. (C) 2022 Optica Publishing Group
引用
收藏
页码：2552 / 2557
页数：6
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