Authors
Johann Berthelot, Alexandre Bouhelier, Caijin Huang, Jérémie Margueritat, Gérard Colas-Des-Francs, Eric Finot, Jean-Claude Weeber, Alain Dereux, Serguei Kochtcheev, Hicham Ibn El Ahrach, Anne-Laure Baudrion, Jérôme Plain, Renaud Bachelot, Pascal Royer, Gary P. Wiederrecht,
Title
Tuning of an optical dimer nanoantenna by electrically controlling its load impedance
In
Nano Letters
Volume
9
Pages
3914–3921
Year
2009
Indexed by
Abstract
Optical antennas are elementary units used to direct optical radiation to the nanoscale. Here we demonstrate an active control over individual antenna performances by an external electrical trigger. We find that by an in-plane command of an anisotropic load medium, the electromagnetic interaction between individual elements constituting an optical antenna can be controlled, resulting in a strong polarization and tuning response. An active command of the antenna is a prerequisite for directing light wave through the utilization of such a device.
Affiliations
Offprint