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

页码：2552 / 2557

页数：6

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