Modulation of focus using photonic crystal waveguide

被引：8

作者：

Chen, Hongbo ^{[1
]}

Zeng, Yong ^{[1
]}

Chen, Xiaoshuang ^{[1
]}

Wang, Jian ^{[1
]}

Lu, Wei ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

来源：

PHYSICS LETTERS A | 2008年 / 372卷 / 30期

基金：

中国国家自然科学基金;

关键词：

photonic crystal waveguide; off-axis focus;

D O I：

10.1016/j.physleta.2008.05.076

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study theoretically that a photonic crystal waveguide with modulated output surface can focus electromagnetic wave just like a lens. The characters of the focus are sensitive to the surface morphology and can be modulated by adjusting the parameters. Two methods are proposed to modify the focus, and an interesting off-axis focus is found in an asymmetrical structure. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：5096 / 5100

页数：5

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