A SIMPLE VARIATIONAL ANALYSIS OF DIFFUSED CHANNEL WAVE-GUIDES

被引：15

作者：

ZHU, NH ^{[1
]}

WANG, RM ^{[1
]}

机构：

[1] SHENZHEN UNIV,ADV TECHNOL RES CTR,GUANGDONG 518060,PEOPLES R CHINA

来源：

OPTICAL AND QUANTUM ELECTRONICS | 1993年 / 25卷 / 01期

关键词：

D O I：

10.1007/BF00431005

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：

The variational analysis of Ti : LiNbO3 strip waveguides is resolved into two related one-dimension problems, which provides a new iterative approach for the calculation of the mode parameters and the propagation constant. The analytical expressions of the local effective index profiles can be obtained from the variational analysis. The parameters of four trial solutions for the fundamental mode in a diffused-channel waveguide have been determined by using the present method. Comparison with results using the effective method shows that these four approximate expressions are accurate enough. It is also shown that this method converges very quickly and is suitable for both diffused channel waveguides and optical waveguides with rectangular cross-section.

引用

页码：57 / 62

页数：6

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