An effective and accurate method for the design of directional couplers

被引：16
|
作者：
Wang, Q [1 ]
He, SL
Chen, FR
机构：
[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
[2] Royal Inst Technol, Alfven Lab, Div Electromagnet Theory, S-10044 Stockholm, Sweden
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2002年 / 8卷 / 06期
关键词：
directional couplers; integrated optics; optical waveguide components;
D O I：
10.1109/JSTQE.2002.806698
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method which combines the three-dimensional (3-D) beam propagation method with the overlap integral method is presented for the design of directional couplers. A backward beam propagation is calculated for the output region to reduce the computation time greatly. The design method is illustrated with buried silica-on-silicon waveguide couplers. The design results obtained with the 3-D model are compared with the results obtained with the two-dimensional model and it is shown that the 3-D model should be used. The design results are verified by both 3-D simulations and the experiment. The new design method is shown to be effective and accurate.
引用
收藏
页码：1233 / 1238
页数：6
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