Title :
Nanophotonic circular dielectric grating for efficient free-space extraction of single quantum dot emission
Author :
Davanço, Marcelo ; Rakher, Matthew T. ; Badolato, Antonio ; Srinivasan, Kartik
Author_Institution :
Center for Nanoscale Sci. & Technol., Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
Abstract :
We demonstrate a suspended circular grating for efficient, broadband photoluminescence spectroscopy of single self-assembled InAs quantum dots. Collected photon rates are 20 times greater than in bulk, and significant radiative lifetime reduction is observed.
Keywords :
III-V semiconductors; diffraction gratings; indium compounds; nanophotonics; photoluminescence; radiative lifetimes; self-assembly; semiconductor quantum dots; InAs; broadband photoluminescence spectroscopy; free-space extraction; nanophotonic suspended circular dielectric grating; radiative lifetime reduction; self-assembled semiconductor quantum dot emission; Cavity resonators; Gallium arsenide; Geometry; Gratings; Photonics; Quantum dot lasers; Quantum dots;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
