Evaluation of losses and group effective refractive index of Er3+:Ti:LiNbO3 optical waveguides

被引:0
|
作者
Vasile, Georgiana C. [1 ]
Puscas, Niculae N. [1 ]
机构
[1] Univ Politehn Bucuresti, Dept Phys 1, Bucharest 060042, Romania
来源
CENTRAL EUROPEAN JOURNAL OF PHYSICS | 2011年 / 9卷 / 03期
关键词
Er3+:Ti:LiNbO3 optical waveguides; attenuation coefficient; insertion loss; polarization depending loss; group effective refractive index;
D O I
10.2478/s11534-010-0085-x
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this paper, we report some experimental results concerning several types of loss measurements of Er3+:Ti:LiNbO3 optical waveguides by using optical methods. Using the Fabry-P,rot interferometry method, we evaluated the attenuation coefficient of an optical waveguide resonator for a laser radiation having lambda = 1.55 A mu m. We also evaluated the insertion losses, polarization dependent losses, and coupling with external losses. Additionally, from the transmitted spectra of the symmetrical monomode Fabry-P,rot optical waveguide resonator, we were able to evaluate the value of the group effective refractive index.
引用
收藏
页码:852 / 856
页数:5
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