Directional dependence of spectra of fiber Bragg gratings due to excess loss

被引:9
作者
Kitcher, Daniel J.
Nand, Anbhawa
Wade, Scott A.
Jones, Rhys
Baxter, Greg W.
Collins, Stephen F.
机构
[1] Victoria Univ, Ctr Telecommun & Microelect, Opt Technol Res Lab, Melbourne, Vic 8001, Australia
[2] Monash Univ, Dept Mech Engn, Clayton, Vic 3800, Australia
关键词
D O I
10.1364/JOSAA.23.002906
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The reflectance spectra of chirped fiber Bragg gratings can depend substantially on the direction from which the measurement is taken. The measured difference between forward and backward reflectance spectra measured in a linearly chirped grating was shown to be due to the measured excess loss. Simulation using the popular transfer-matrix model demonstrated that the observed asymmetric behavior could be obtained only when excess loss has an asymmetric spectral shape about the local Bragg wavelengths. Application of cladding mode excess losses to the result of a transfer-matrix model accounted for the experimental observation. (c) 2006 Optical Society of America
引用
收藏
页码:2906 / 2911
页数:6
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