Title :
Quantum efficiency of self-assembled quantum dots determined by a modified optical local density of states
Author :
Johansen, Jeppe ; Stobbe, Søren ; Nikolaev, Ivan S. ; Hansen, Toke Lund- ; Kristensen, Philip T. ; Hvam, Jørn M. ; Vos, Willem L. ; Lodahl, Peter
Author_Institution :
COM?DTU Department of Communications, Optics, and Materials Nano?DTU, Technical University of Denmark DTU- Building 345 V, DK-2800 Kgs. Lyngby, Denmark
Abstract :
We have measured time-resolved spontaneous emission from quantum dots near a dielectric interface with known photonic local density of states. We thus experimentally determine the quantum efficiency and the dipole moment, important for quantum optics.
Keywords :
Atom optics; Atomic measurements; Electromagnetic measurements; Frequency; Gallium arsenide; Optical control; Quantum dots; Self-assembly; Spontaneous emission; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431638
