Towards controlled coupling between a high-Q whispering-gallery mode and a single nanoparticle

被引：26

作者：

Götzinger, S ^{[1
]}

Benson, O ^{[1
]}

Sandoghdar, V ^{[1
]}

机构：

[1] Univ Konstanz, Zentrum Konstanz, Fachbereich Phys & Opt, D-78457 Constance, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2001年 / 73卷 / 08期

关键词：

D O I：

10.1007/s003400100742

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We discuss our recent experiments that aim at the realization of coupling between a nano-emitter that is placed at the extremity of a sharp glass-fiber tip and a high-Q whispering-gallery mode. We quantify the influence of the tip using different probes and modes of a microsphere with different quality factors and mode extensions. Our measurements show that a micron-sized tip results in a substantial perturbation of the modes. On the contrary, by using a tip of diameter about 100 nm it should be possible to couple a nanoparticle to the most-confined modes of a microsphere without spoiling quality factors even as high as 10(8).

引用

页码：825 / 828

页数：4

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