Topology Optimization of Optical Waveguide Devices Based on Beam Propagation Method With Sensitivity Analysis

被引：16
作者：
Iguchi, Akito [1 ]
Tsuji, Yasuhide [1 ]
Yasui, Takashi [2 ]
Hirayama, Koichi [2 ]
机构：
[1] Muroran Inst Technol, Div Informat & Elect Engn, Muroran, Hokkaido 0508585, Japan
[2] Kitami Inst Technol, Div Elect & Elect Engn, Kitami, Hokkaido 0908507, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 18期
基金：
日本学术振兴会;
关键词：
Adjoint variable method (AVM); beam propagation method (BPM); optical waveguide device; topology optimization; FRONT-MATCHING METHOD; REFRACTIVE-INDEX DISTRIBUTION; PHOTONIC CRYSTAL-STRUCTURES; CIRCUIT DEVICES; SYSTEMATIC DESIGN; FABRICATION; BPM;
D O I：
10.1109/JLT.2016.2597308
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 present a gradient-based topology optimization method of optical waveguide devices using the beam propagation method (BPM). Efficient topology optimization of an optical waveguide is available by using our approach because it utilizes the adjoint variable method for sensitivity analysis, and the BPM for numerical propagation analysis. In this paper, a way of evaluating sensitivities for a design of longitudinally varying waveguides is newly described in the case that a density method and finite difference BPM are employed. In addition, the validity and availability of our proposed method are verified by optimizing an S-bend and a Y-branch waveguides.
引用
收藏
页码：4214 / 4220
页数：7
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