Free-electron laser spectroscopy of quantum well exciton dynamics


Free-electron laser spectroscopy of quantum well exciton dynamics

Schneider, H.; Bhattacharyya, J.; Zybell, S.; Winnerl, S.; Helm, M.; Andrews, A. M.; Strasser, G.; Köhler, K.

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: Quantum well excitons; GaAs/AlGaAs; free-electron laser spectroscopy

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    37th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THZ 2012), 23.-28.09.2012, Wollongong, Australien

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