Design of optical circuit devices using topology optimization method with function-expansion-based refractive index distribution

被引：52

作者：

Tsuji, Yasuhide ^{[1
]}

Hirayama, Koichi ^{[1
]}

机构：

[1] Kitami Inst Technol, Dept Elect & Elect Engn, Kitami, Hokkaido 0908507, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 9-12期

关键词：

finite-element method; optical circuit device; topology optimization;

D O I：

10.1109/LPT.2008.922921

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：

We propose a design method for optical waveguide devices based on topology optimization with alternative expression of refractive index distribution. In our approach, a refractive index distribution in a design region is expressed by an expansion with some analytical functions and gray area, which has intermediate refractive index between usable materials, does not appear. We can obtain better results in the optimization of waveguide bends and branches,compared with the widely used density method.

引用

页码：982 / 984

页数：3

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