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Nonlinear metal-dielectric nanoantennas for light switching and routing

Noskov, R E; Krasnok, AE; Kivshar, Yuri


We introduce a novel hybrid metal-dielectric nanoantenna composed of dielectric (crystalline silicon) and metal (silver) nanoparticles. In such a nanoantenna, the phase shift between the dipole moments of the nanoparticles, caused by differences in the polarizabilities, allows for directional light scattering; while the nonlinearity of the metal nanoparticle helps to control the radiation direction. We show that the radiation pattern of this nanoantenna can be switched between the forward and...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: New Journal of Physics
DOI: 10.1088/1367-2630/14/9/093005
Access Rights: Open Access


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