MAPPING WHISPERING-GALLERY MODES IN MICROSPHERES WITH A NEAR-FIELD PROBE

被引：107

作者：

KNIGHT, JC

DNBREUIL, N

SANDOGHDAR, V

HARE, J

LEFEVRESEGUIN, V

RAIMOND, JM

HAROCHE, S

机构：

[1] Laboratoire Kastler Brossel, Département de Physique, Ecole Normale Supérieure, Paris Cedex, 75231

来源：

OPTICS LETTERS | 1995年 / 20卷 / 14期

关键词：

D O I：

10.1364/OL.20.001515

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the use of a near-field probe to map the angular dependence of high-and whispering-gallery modes in fused-silica microspheres. The mapping is performed by placing a micrometer-sized tip formed on the end of a monomode fiber into the evanescent field at the microsphere surface, causing Light to be coupled from the microsphere resonance into the fiber guided mode. The light output of the fiber is then measured while the tip is moved to different points on the microsphere surface. We have used this method to investigate the lifting of spherical degeneracy in the system.

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页码：1515 / 1517

页数：3

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