Wideband high-contrast optical diode and unidirectional beam splitters via near-infrared metallic photonic crystals

被引：14
|
作者：
Feng, Shuai [1 ]
Ren, Cheng [2 ]
Wang, Wenzhong [1 ]
Wang, Yiquan [1 ]
机构：
[1] Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
[2] Yantai Univ, Sch Optoelect Informat Sci & Technol, Yantai 264005, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2013年 / 289卷
基金：
中国国家自然科学基金;
关键词：
Photonic crystal; All-optical diode; Light beam splitter; HETEROJUNCTIONS;
D O I：
10.1016/j.optcom.2012.10.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel nanoscale all-optical photonic crystal diode consisting of rectangular and square metals immersed in silicon is reported. This wideband high-contrast diode based on the self-collimation behavior can confine the light beams travel along a certain direction. So it works well needless of the input and output waveguides and is more feasible to combine with other functional devices in the complex integrated optical circuits. And through a simple design of two photonic crystals' interface, unidirectional beam splitters owing to the directional band gap can also be obtained. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：144 / 148
页数：5
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