Nonlinear metal-dielectric nanoantennas for light switching and routing
Optics
2015-06-05 v1
Abstract
We introduce a novel hybrid metal-dielectric nanoantenna composed of dielectric (crystalline silicon) and metal (silver) nanoparticles. A high-permittivity dielectric nanoparticle allows to achieve effective light harvesting, and nonlinearity of a metal nanoparticle controls the radiation direction. We show that the radiation pattern of such a nanoantenna can be switched between the forward and backward directions by varying only the light intensity around the level of 11 MW/cm, with the characteristic switching time of 260 fs.
Keywords
Cite
@article{arxiv.1205.6913,
title = {Nonlinear metal-dielectric nanoantennas for light switching and routing},
author = {R. E. Noskov and A. E. Krasnok and Yu. S. Kivshar},
journal= {arXiv preprint arXiv:1205.6913},
year = {2015}
}
Comments
9 pages, 5 figures, submitted to New J. Phys