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Metal-Dielectric Nanoantennas for Enhancement of Directional Emission

Rusak, Evgenia; Guo, Rui; Staude, Isabelle; Decker, Manuel; Sautter, Jurgen; Miroshnichenko, Andrey; Powell, David Anthony; Brener, Igal; Neshev, Dragomir; Kivshar, Yuri


Plasmonic nanoantennas are known to provide strong enhancement of the radiative decay rate for localized emitters placed in their electric near-fields [1]. On the other hand, it was shown recently that all-dielectric nanoantennas can enable high directivity and near-unity radiation efficiency [2,3]. Here we suggest and analyze a hybrid metal-dielectric nanoantenna consisting of a gold nanorod and a silicon nanodisk, which allows combining these complementary advantages while maintaining a...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Conference paper
Source: Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015


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