Title :
Resonant micro-photoluminescence and excitation spectra of GaAs/AlGaAs single quantum dots on a (411)A GaAs surface
Author :
Watatani, C. ; Edamatsu, K. ; Itoh, T. ; Shimomura, S. ; Hiyamizu, S.
Author_Institution :
Div. of Mater. Phys., Osaka Univ., Toyonaka, Japan
Abstract :
We have investigated the micro-photoluminescence and excitation spectra of GaAs/AlGaAs quantum dots on a (411)A GaAs surface under resonant excitation. We found resonant anti-Stokes luminescence that probably results from Auger excitation of the dots.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; photoluminescence; semiconductor quantum dots; Auger excitation; GaAs; GaAs-AlGaAs; biexciton luminescence; binding energy; excitation power dependence; excitation spectra; resonant anti-Stokes luminescence; resonant micro-photoluminescence; single quantum dots; triangular-pyramidal structure; Energy states; Excitons; Gallium arsenide; Luminescence; Quantum dots; Resonance; Stimulated emission; Temperature;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970982
