Numerical investigation of emission in finite-sized, three-dimensional photonic crystals with structural fluctuations

被引：18
作者：
Ishizaki, Kenji [1 ,2 ]
Okano, Makoto [1 ,2 ]
Noda, Susumu [1 ,2 ]
机构：
[1] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan
[2] Japan Sci & Technol Agcy, Kyoto 6158510, Japan
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2009年 / 26卷 / 06期
基金：
日本学术振兴会;
关键词：
SINGLE QUANTUM-DOT; LIGHT-EMISSION; INFRARED WAVELENGTHS; ELECTRIC-DIPOLE; BANDGAP; NANOCAVITY; LAYER; SLAB;
D O I：
10.1364/JOSAB.26.001157
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the inhibited emission of light-emitters embedded in finite, three-dimensional woodpile (or stacked-striped) photonic crystals (PCs) that exhibit structural fluctuations. Finite-difference time-domain calculations reveal that the influence of the positional fluctuations of stacked rods of dielectric material depends on the total number of structural periods. For PCs with up to nine stacked layers, the inhibition of emission is principally determined by intruding free-space modes resulting from the finite nature of the structure, with little influence from fluctuations. In PCs with more periods, the modes resulting from fluctuations dominate the emission properties. The influence of these fluctuations is strongly suppressed when the positional shifts are less than 20%. (C) 2009 Optical Society of America
引用
收藏
页码：1157 / 1161
页数：5
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