Mid-infrared sub-wavelength focusing of electrically-generated surface plasmons polaritons

Adel Bousseksou; Jean-Philippe Tetienne; Raffaele Colombelli; rakchanok rungsawang; Arthur Babuty; Leo Greusard; Yannick De Wilde; Gregoire Beaudoin; Isabelle Sagnes

META 2021, META'12

Adel Bousseksou, Jean-Philippe Tetienne, Raffaele Colombelli, rakchanok rungsawang, Arthur Babuty, Leo Greusard, Yannick De Wilde, Gregoire Beaudoin, Isabelle Sagnes

Last modified: 2012-01-06

Abstract

We demonstrate a compact integrated device, electrically driven, which is able to recover and exploit the confinement properties of SPPs at long wavelengths. It operates in the mid-infrared by electrical injection, It generates plasmonic excitations whose dispersion is artificially tailored via proper patterning of a purely metallic surface. We illustrate the power of this approach by demonstrating bending, focusing and sub-wavelength energy concentration.

Keywords

Surface plasmons, Semiconductor laser, active plasmonics