Title :
Onset of dynamical localization in a semiconductor superlattic
Author :
Koch, M. ; Ciulin, V. ; Carter, S.G. ; Sherwin, M.S. ; Meier, T. ; Koch, S.W. ; Zide, J. ; Driscoll, D. ; Gossard, Arthur C.
Author_Institution :
QUEST, California Univ., Santa Barbara, CA
Abstract :
An excitonic blue-shift is observed when a GaAs/AlGaAs superlattice is irradiated with a strong THz field. This observation is compared with a microscopic calculation, and is consistent with the onset of dynamical localization
Keywords :
III-V semiconductors; aluminium compounds; excitons; gallium arsenide; infrared spectra; localised states; radiation effects; semiconductor superlattices; spectral line shift; GaAs-AlGaAs; GaAs/AlGaAs superlattice; dynamical localization; excitonic blue-shift; interband absorption spectrum; microscopic calculation; optical spectroscopy; semiconductor superlattice; strong THz field;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
