Subwavelength grating filtering devices

被引：86

作者：

Wang, Junjia ^{[1
]}

Glesk, Ivan ^{[2
]}

Chen, Lawrence R. ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 0E9, Canada

[2] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow G1 1XU, Lanark, Scotland

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 13期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SILICON-ON-INSULATOR; GUIDE-BRAGG GRATINGS; DELAY-LINE; FABRICATION;

D O I：

10.1364/OE.22.015335

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and simulate the characteristics of optical filters based on subwavelength gratings. In particular, we demonstrate through numerical simulations the feasibility of implementing SWG Bragg gratings in silicon-on-insulator (SOI). We also propose SWG ring resonators in SOI and verify their operation using numerical simulations and experiments. The fabricated devices exhibit an extinction ratio as large as 30 dB and a Q-factor as high as similar to 20,000. These fundamental SWG filters can serve as building blocks for more complex devices. (C) 2014 Optical Society of America

引用

页码：15335 / 15345

页数：11

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