Title :
Free-electron laser spectroscopy of quantum well exciton dynamics
Author :
Schneider, H. ; Bhattacharyya, J. ; Zybell, S. ; Winnerl, S. ; Helm, M. ; Andrews, A.M. ; Strasser, G. ; Köhler, K.
Author_Institution :
Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
Abstract :
We report on time-resolved photoluminescence of excitons and electron-hole plasma in GaAs quantum wells under intraband excitation by a free-electron laser in resonance with intersubband and intraexcitonic transitions, respectively, to study relaxation and intraexcitonic scattering.
Keywords :
excitons; free electron lasers; gallium arsenide; photoluminescence; quantum optics; visible spectroscopy; GaAs; electron-hole plasma; free-electron laser spectroscopy; intraexcitonic scattering; quantum well exciton dynamics; quantum wells; relaxation scattering; time-resolved photoluminescence; Excitons; Free electron lasers; Gallium arsenide; Optical pumping; Optical scattering;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380175