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Opt Lett. 2010 Dec 15;35(24):4208-10. doi: 10.1364/OL.35.004208.

On the use of Purcell factors for plasmon antennas.

Author information

1
Center for Nanophotonics, FOM Institute for Atomic and Molecular Physics (AMOLF), Sciencepark 104, NL-1098XG Amsterdam, The Netherlands. f.koenderink@amolf.nl

Abstract

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.

PMID:
21165139
DOI:
10.1364/OL.35.004208

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