Title :
Breakdown of the dipole approximation for large quantum dot emitters coupled to an interface
Author :
Stobbe, S. ; Johansen, J. ; Loffler, A. ; Hofling, S. ; Forchel, A. ; Hvam, J.M. ; Lodahl, P.
Author_Institution :
Dept. of Commun., Tech. Univ. of Denmark, Lyngby
Abstract :
We measured time-resolved photoluminescence from large quantum dots near a semiconductor-air interface. Far from the interface our data are consistent with dipole theory, but near the interface they question the validity of the dipole approximation.
Keywords :
photoluminescence; semiconductor quantum dots; time resolved spectra; dipole approximation breakdown; dipole theory; quantum dot emitters; semiconductor-air interface; time-resolved photoluminescence; Electric breakdown; Electromagnetic coupling; Excitons; Local oscillators; Optical coupling; Photoluminescence; Photonic crystals; Quantum dots; Spontaneous emission; Stimulated emission; (020.4900) Oscillator strengths; (250.5590) Quantum-well, -wire and -dot devices; (270.5580) Quantum electrodynamics;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9