Tuning of an Optical Dimer Nanoantenna by Electrically Controlling Its Load Impedance

被引：75

作者：

Berthelot, Johann ^{[1
]}

Bouhelier, Alexandre ^{[1
]}

Huang, Caijin ^{[1
]}

Margueritat, Jeremie ^{[1
]}

Colas-des-Francs, Gerard ^{[1
]}

Finot, Eric ^{[1
]}

Weeber, Jean-Claude ^{[1
]}

Dereux, Alain ^{[1
]}

Kostcheev, Sergei ^{[2
]}

El Ahrach, Hicham Ibn ^{[2
]}

Baudrion, Anne-Laure ^{[2
]}

Plain, Jerome ^{[2
]}

Bachelot, Renaud ^{[2
]}

Royer, Pascal ^{[2
]}

Wiederrecht, Gary P. ^{[3
]}

机构：

[1] Univ Bourgogne, CNRS, UMR 5209, Inst Carnot Bourgogne, Dijon, France

[2] Univ Technol Troyes, Lab Nanotechnol & Instrumentat Opt, Inst Charles Delauney, Troyes, France

[3] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 11期

关键词：

LIQUID-CRYSTALS; FREEDERICKSZ TRANSITION; METAL NANOPARTICLES; PLASMON RESONANCES; LIGHT-SCATTERING; EMISSION; ANTENNA; PAIRS; NANOCIRCUIT;

D O I：

10.1021/nl902126z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：3914 / 3921

页数：8

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