Design of the spot size for single-mode Ti/Mg:LiNbO3 channel waveguide for optimum coupling with fibers

被引：2
|
作者：
Lee, CT
Fan, PL
Lee, JC
机构：
[1] KUANG WU COLL TECHNOL,DEPT ELECT ENGN,PEITOU,TAIPEI,TAIWAN
[2] NATL CENT UNIV,INST OPT SCI,CHUNGLI 32054,TAIWAN
来源：
FIBER AND INTEGRATED OPTICS | 1996年 / 15卷 / 02期
关键词：
coupling; double diffusion; spot size; waveguide;
D O I：
10.1080/01468039608202266
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To improve the coupling efficiency between fibers and conventional Ti:LiNbO3 diffused channel waveguides, it is feasible that the elliptical mode pattern of the channel waveguide can be modified by the Ti/Mg double diffusion method. By means of the three-dimensional beam propagation method, we successfully show that the mode size of the waveguide fabricated by this method is well matched to that of the fiber for TE and TM polarizations separately.
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页码：149 / 158
页数：10
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