Adiabatic matching stage for coupling of light to extended Bloch modes of photonic crystals

被引：52

作者：

Momeni, B ^{[1
]}

Adibi, A ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 17期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2115081

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this letter, we present a matching stage for reflection reduction based on the principle of gradual change to efficiently couple light to propagating modes of photonic crystals (PCs). Basic physical considerations in designing these matching stages are investigated and a systematic yet simple design procedure is suggested. We show that matching stages obtained using this method are wideband in frequency, have a wide acceptance angle, and are robust against fabrication imperfections. Therefore, they are the preferred choice in general-purpose matching stages to be used along with dispersion-based PC devices. (C) 2005 American Institute of Physics.

引用

页码：1 / 3

页数：3

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