Excitation mapping of whispering gallery modes in silica microcavities

被引：37
|
作者：
Lin, G. [1 ,2 ]
Qian, B. [1 ]
Orucevic, F. [1 ]
Candela, Y. [1 ]
Jager, J. -B. [3 ]
Cai, Z. [2 ]
Lefevre-Seguin, V. [1 ]
Hare, J. [1 ]
机构：
[1] Univ Paris 06, CNRS, ENS, Lab Kastler Brossel, F-75005 Paris, France
[2] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China
[3] CEA, DRFMG SP2M SINAPS Minatec, F-38054 Grenoble 9, France
来源：
OPTICS LETTERS | 2010年 / 35卷 / 04期
关键词：
MICROSPHERE; RESONANCES;
D O I：
10.1364/OL.35.000583
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the direct observation of the electromagnetic-field distribution of whispering gallery modes in silica microcavities ( spheres and toroids). It is revealed by their excitation efficiency with a tapered fiber coupler swept along the meridian. The originality of this method lies in the use of the coupler itself for the near-field mapping, eliminating the need of additional tools used in previous work. This method is successfully applied to microspheres and microtoroids. (C) 2010 Optical Society of America
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收藏
页码：583 / 585
页数：3
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