Title :
Highly directional emission of photons from nanocrystal quantum dots positioned on circular plasmonic lens antennas
Author :
Harats, Moshe G. ; Livneh, Nitzan ; Yochelis, Shira ; Paltiel, Yossi ; Rapaport, Ronen
Author_Institution :
Selim & Rachel Benin Sch. of Eng. & Comput. Sci., Hebrew Univ. of Jerusalem, Jerusalem, Israel
Abstract :
We show enhanced directional emission from nanocrystal quantum dots positioned at the center of a circular plasmonic lens. A collimation with a divergence of only ~ 4° FWHM is achieved, a spectrally broad bandwidth.
Keywords :
lens antennas; metamaterial antennas; nanophotonics; nanostructured materials; optical collimators; plasmonics; quantum dots; FWHM; circular plasmonic lens antennas; collimation; divergence; highly directional photon emission; nanocrystal quantum dots; spectrally broad bandwidth; Finite element analysis; Lenses; Nanocrystals; Photonics; Plasmons; Quantum dots; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
