SPATIALLY-RESOLVED PHOTOLUMINESCENCE IN GAAS SURFACE-ACOUSTIC-WAVE STRUCTURES

Authors
SANTOS PV RAMSTEINER M JUNGNICKEL F
Citation
Pv. Santos et al., SPATIALLY-RESOLVED PHOTOLUMINESCENCE IN GAAS SURFACE-ACOUSTIC-WAVE STRUCTURES, Applied physics letters, 72(17), 1998, pp. 2099-2101
Citations number
10
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
72
Issue
17
Year of publication
1998
Pages
2099 - 2101
Database
ISI
SICI code
0003-6951(1998)72:17<2099:SPIGSS>2.0.ZU;2-Q
Abstract
The interaction between a surface acoustic wave (SAW) and the excitoni c photoluminescence (PL) in GaAs SAW structures is investigated. The d ependence of the PL on the SAW amplitude and illumination intensity is explained by a simple model based on the field-induced ionization of the excitons and on the screening of the SAW electric field by photoge nerated carriers, Microscopic PL constitutes a powerful technique for spatially resolving electric-field distributions in SAW structures. (C ) 1998 American Institute of Physics.