High-density integrated optics

被引：267

作者：

Manolatou, C ^{[1
]}

Johnson, SG

Fan, SH

Villeneuve, PR

Haus, HA

Joannopoulos, JD

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[2] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1999年 / 17卷 / 09期

基金：

美国国家科学基金会;

关键词：

finite difference time domain (FDTD) methods; integrated optics; optical waveguide components; resonators; waveguide bends;

D O I：

10.1109/50.788575

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：

This paper presents two-dimensional (2-D) finite difference time domain (FDTD) simulations of low-loss right-angle waveguide bends, T-junctions and crossings, based on high index-contrast waveguides. Such structures are essential for the dense integration of optical components. Excellent performance characteristics are obtained by designing the waveguide intersection regions as low-Q resonant cavities with certain symmetries and small radiation loss. A simple analysis, based on coupled mode theory in time, is used to explain the operation principles and agrees qualitatively with the numerical results.

引用

页码：1682 / 1692

页数：11

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