Compact metallo-dielectric optical antenna for ultra directional and enhanced radiative emission
Optics
2010-03-26 v1
Abstract
We report the design of highly efficient optical antennas employing a judicious synthesis of metallic and dielectric materials. In the proposed scheme, a pair of metallic coupled nanoparticles permits large enhancements in both excitation strength and radiative decay rates, while a high refractive index dielectric microsphere is employed to efficiently collect light without spoiling the emitter quantum efficiency. Our simulations indicate potential fluorescence rate enhancements of 3 orders of magnitude over the entire optical frequency range.
Keywords
Cite
@article{arxiv.1003.4880,
title = {Compact metallo-dielectric optical antenna for ultra directional and enhanced radiative emission},
author = {Alexis Devilez and Nicolas Bonod and Brian Stout},
journal= {arXiv preprint arXiv:1003.4880},
year = {2010}
}