Reduction of intrinsic polarization dependence in arc-induced long-period fiber gratings

被引：8

作者：

Delgado, Felipe de Souza ^{[1
]}

dos Santos, Alexandre Bessa ^{[1
]}

机构：

[1] Univ Fed Juiz de Fora, Dept Elect Engn, Juiz De Fora, Brazil

来源：

OPTICAL ENGINEERING | 2018年 / 57卷 / 06期

关键词：

fiber optics; arc-induced long-period grating; polarization-dependent loss; FILTERS; BIREFRINGENCE; EQUALIZATION; FABRICATION; CO2-LASER; SPLICER; LASERS; SENSOR;

D O I：

10.1117/1.OE.57.6.067105

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a production technique of reducing the polarization-dependent loss (PDL) always present in arc-induced long-period fiber gratings (LPFGs). The proposed fabrication method is based upon the rotation of the optical fiber by an axial angle of 180 deg at each electric arc discharge, therefore, inducing opposite point-by-point asymmetric modulations over the entire length of the LPFG. PDL measurements of different arc-induced LPFGs fabricated by both the conventional and proposed method are presented. Finally, the obtained results show a significant decrease of the intrinsic PDL of arc-induced LPFGs with the proposed fabrication technique. (C) 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：5

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