On the use of Purcell factors for plasmon antennas

被引:306
作者
Koenderink, A. F. [1 ]
机构
[1] FOM Inst Atom & Mol Phys AMOLF, Ctr Nanophoton, NL-1098 XG Amsterdam, Netherlands
关键词
SINGLE; ENHANCEMENT; MOLECULES;
D O I
10.1364/OL.35.004208
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The Purcell factor is the standard figure of merit for spontaneous emission enhancement in microcavities and has also been proposed to describe emission enhancements for plasmonic resonances. A comparison of quality factor, mode volume, and Purcell factor for single and coupled plasmon spheres to exact calculations of emission rates shows that a Purcell factor derived from quality factor and mode volume does not describe emission changes due to plasmon antennas. (C) 2010 Optical Society of America
引用
收藏
页码:4208 / 4210
页数:3
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