Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

被引:22
|
作者
Stiller, B. [1 ]
Delque, M. [1 ]
Beugnot, J. -C. [1 ]
Lee, M. W. [1 ]
Melin, G. [2 ]
Maillotte, H. [1 ]
Laude, V. [1 ]
Sylvestre, T. [1 ]
机构
[1] Univ Franche Comte, Inst FEMTO ST, CNRS, UMR 6174, Besancon, France
[2] Draka, Route Nozay, F-91460 Marcoussis, France
来源
OPTICS EXPRESS | 2011年 / 19卷 / 08期
关键词
WAVE BRILLOUIN-SCATTERING; PHONONS;
D O I
10.1364/OE.19.007689
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present experimental and numerical results demonstrating the simultaneous frequency-selective excitation of several guided acoustic Brillouin modes in a photonic crystal fiber with a multi-scale structure design. These guided acoustic modes are identified by using a full vector finite-element model to result from elastic radial vibrations confined by the wavelength-scale air-silica microstructure. We further show the strong impact of structural irregularities of the fiber on the frequency and modal shape of these acoustic resonances. (C) 2011 Optical Society of America
引用
收藏
页码:7689 / 7694
页数:6
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