Optimal direct coupling from single-mode fibers to Ti:LiNbO3 channel waveguides

被引：2
|
作者：
Lee, KY
Hsieh, CJ
Sze, JR
Jaw, GJ
机构：
[1] Department of Electrical Engineering, Chinese Culture University, Taipei Taiwan
来源：
FIBER AND INTEGRATED OPTICS | 1996年 / 15卷 / 04期
关键词：
coupling efficiency; optimization;
D O I：
10.1080/01468039608202282
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the optimal direct coupling from single-mode fibers To Ti:LiNbO3 channel waveguides using a very general formula and a heuristic optimization technique in this article. The coupling efficiency of the optical power depends on both the fiber positions and the modal sizes of the incident fields. From our numerical simulation, it is found that the optimal positions of the fiber axes are not in alignment with the peak of the waveguiding modal fields and that the coupling efficiency can be improved by microlenses.
引用
收藏
页码：365 / 371
页数：7
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