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Demonstration of the enhanced Purcell factor in all-dielectric structures

Krasnok, Alexander; Glybovski, Stanislav; Petrov, Mihail; Makarov, Sergey; Savelev, Roman; Belov, Pavel; Simovski, Constantin; Kivshar, Yuri

Description

The Purcell effect is usually described as a modification of the spontaneous decay rate in the presence of a resonator. In plasmonics, this effect is commonly associated with a large local-field enhancement in "hot spots" due to the excitation of surface plasmons. However, high-index dielectric nanostructures, which become the basis of all-dielectric nanophotonics, can not provide high values of the local-field enhancement due to larger radiation losses. Here, we demonstrate how to...[Show more]

CollectionsANU Research Publications
Date published: 2016-05-26
Type: Journal article
URI: http://hdl.handle.net/1885/108672
Source: Applied Physics Letters
DOI: 10.1063/1.4952740

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