COUPLING OF FIBERS TO TI-DIFFUSED LINBO3 WAVEGUIDES BY BUTT-JOINING

被引:21
作者
CAMPBELL, JC
机构
[1] Bell Laboratories, Crawford Hill Laboratory, Holmdel, New Jersey
来源
APPLIED OPTICS | 1979年 / 18卷 / 12期
关键词
D O I
10.1364/AO.18.002037
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The optical losses due to butt-joining a single-mode optical fiber to a 32-µm wide Ti-diffused LiNbO3 waveguide have been investigated. Measurements of the total insertion loss as a function of waveguide length show that the waveguide attenuation is 1.25 dB/cm and that coupling losses as low as 0.5 dB can be achieved. The coupling loss has been calculated by a numerical evaluation of the overlap integral of the fiber and waveguide mode profiles, and the results agree with the measured loss. © 1979 Optical Society of America.
引用
收藏
页码:2037 / 2040
页数:4
相关论文
共 21 条
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