Frequency splitter based on the directional emission from surface modes in dielectric photonic crystal structures

被引：20
|
作者：
Tasolamprou, Anna C. [1 ]
Zhang, Lei [2 ,3 ]
Kafesaki, Maria [1 ,4 ]
Koschny, Thomas [2 ,3 ]
Soukoulis, Costas M. [1 ,2 ,3 ]
机构：
[1] FORTH, Inst Elect Struct & Laser, Iraklion 71110, Greece
[2] Iowa State Univ, Ames Lab, Ames, IA 50011 USA
[3] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
[4] Univ Crete, Dept Mat Sci & Technol, Iraklion 71003, Greece
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 11期
基金：
欧洲研究理事会;
关键词：
PLASMONICS; LIGHT;
D O I：
10.1364/OE.23.013972
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the numerical design and the experimental validation of frequency dependent directional emission from a dielectric photonic crystal structure. The wave propagates through a photonic crystal line-defect waveguide, while a surface layer at the termination of the photonic crystal enables the excitation of surface modes and a subsequent grating layer transforms the surface energy into outgoing propagating waves of the form of a directional beam. The angle of the beam is controlled by the frequency and the structure operates as a frequency splitter in the intermediate and far field region. (C) 2015 Optical Society of America
引用
收藏
页码：13972 / 13982
页数：11
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