Simultaneous two-dimensional phononic and photonic band gaps in opto-mechanical crystal slabs

被引：90
|
作者：
Mohammadi, Saeed [1 ]
Eftekhar, Ali A. [1 ]
Khelif, Abdelkrim [2 ,3 ]
Adibi, Ali [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
[2] CNRS UMI, Int Joint Lab Georgia Tech, F-57070 Metz, France
[3] CNRS, Inst FEMTO ST, F-25044 Besancon, France
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 09期
基金：
美国国家科学基金会;
关键词：
MAPS;
D O I：
10.1364/OE.18.009164
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate planar structures that can provide simultaneous two-dimensional phononic and photonic band gaps in opto-mechanical (or phoxonic) crystal slabs. Different phoxonic crystal (PxC) structures, composed of square, hexagonal (honeycomb), or triangular arrays of void cylindrical holes embedded in silicon (Si) slabs with a finite thickness, are investigated. Photonic band gap (PtBG) maps and the complete phononic band gap (PnBG) maps of PxC slabs with different radii of the holes and thicknesses of the slabs are calculated using a three-dimensional plane wave expansion code. Simultaneous phononic and photonic band gaps with band gap to midgap ratios of more than 10% are shown to be readily obtainable with practical geometries in both square and hexagonal lattices, but not for the triangular lattice. (C) 2010 Optical Society of America
引用
收藏
页码：9164 / 9172
页数：9
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