Acousto-optic couplings in two-dimensional phoxonic crystal cavities

被引：90
|
作者：
Rolland, Q. [1 ]
Oudich, M. [2 ]
El-Jallal, S. [2 ]
Dupont, S. [1 ]
Pennec, Y. [2 ]
Gazalet, J. [1 ]
Kastelik, J. C. [1 ]
Leveque, G. [2 ]
Djafari-Rouhani, B. [2 ]
机构：
[1] Univ Valenciennes Hainault Cambresis, UMR CNRS 8520, Inst Elect Microelect & Nanotechnol, Valenciennes, France
[2] Univ Lille 1, UMR CNRS 8520, Inst Elect Microelect & Nanotechnol, UFR Phys, F-59655 Villeneuve Dascq, France
来源：
APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 06期
关键词：
PHOTONIC BAND-GAPS; SILICON; PHONONS;
D O I：
10.1063/1.4744539
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate the acousto-optic coupling, based on both photo-elastic and opto-mechanical mechanisms, in periodic structures with simultaneous photonic and phononic band gaps. The investigations are focused on a cavity defect in which the strong confinement of acoustic and optic waves enhances the interaction. We calculate the modulation of each photonic mode frequency by each phononic mode confined in the cavity. We compare the strength for the photo-elastic and opto-mechanical effects in the different cases. Both mechanisms can be in phase or out of phase and produce additive or subtractive effects in the total acousto-optic coupling. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4744539]
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页数：4
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