Properties of surface modes used for directional emission from photonic crystal waveguides

被引：4
|
作者：
Chung, K. B. [1 ]
机构：
[1] Hongik Univ, Sch Elect & Elect Engn, Seoul 121791, South Korea
来源：
JOURNAL OF THE OPTICAL SOCIETY OF KOREA | 2008年 / 12卷 / 01期
关键词：
D O I：
10.3807/JOSK.2008.12.1.007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Directional emission of light exiting a photonic crystal waveguide by a coherent action of radiative surface modes was recently demonstrated, and subsequently the substantial enhancement of the directional emission was achieved by engineering the surface and adjusting relevant parameters. Here we present the analysis of surface modes causing the enhanced emission by the plane wave expansion method and the finite-difference time-domain method. In particular, surface band structures are calculated for nonradiative and radiative surface modes, respectively, and intensity profiles of some representative modes for nonradiative and radiative cases are given.
引用
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页码：7 / 12
页数：6
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