Wavefront Matching Method Based on Full-Vector Finite-Element Beam Propagation Method for Polarization Control Devices

被引：14

作者：

Makino, Shuntaro ^{[1
]}

Fujisawa, Takeshi ^{[1
]}

Saitoh, Kunimasa ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 0600808, Japan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2017年 / 35卷 / 14期

关键词：

Finite element analysis; optical waveguides; optimization method; SPLITTER; ROTATOR; GUIDE; CIRCUITS; COUPLER;

D O I：

10.1109/JLT.2017.2700482

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 developed a wavefront matching (WFM) method based on the full-vector finite-element beam propagation method (BPM). The WFM method is one of the optimization algorithms based on BPM, and it can deterministically design optimum wave-guide structures from desired characteristics. The developed WFM method can be applied to optical waveguides with high refractive-index contrast and polarization control devices, which require full-vector analysis. In this paper, the principle and design procedure of the full-vector WFM method are described. Its validity and effectiveness are demonstrated by designing polarization control devices, such as a polarization converter based on a vertical asymmetric taper waveguide and a polarization splitter-rotator based on taper and Y-branch waveguides.

引用

页码：2840 / 2845

页数：6

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