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Excitonic wave packets observed in space- and time-resolved pump and probe experiments

Title data

Otremba, R. ; Grosse, S. ; Koch, M. ; Feldmann, J. ; Axt, Vollrath M. ; Kuhn, Tilmann ; Stolz, W.:
Excitonic wave packets observed in space- and time-resolved pump and probe experiments.
In: Solid State Communications. Vol. 109 (1999) Issue 5 . - 317 - 322.
ISSN 0038-1098
DOI: https://doi.org/10.1016/S0038-1098(98)00548-1

Project information

Project financing: Deutsche Forschungsgemeinschaft
European Union Network Ultrafast Quantum Optoelectronics

Abstract in another language

Abstract We investigate the coherent time regime in space- and time-resolved pump and probe experiments on a symmetrically strained InGaAs/GaAsP multiple quantum well. The spatial width of the transmission profiles shows a modulation which reflects the dynamics of an excitonic wave packet. This spatio–temporal beating originates from the combined action of various signal components which are detected simultaneously because of the collinearity of our experiment. The experimental results are in qualitative agreement with calculations obtained with a simplified model on the Hartree–Fock level.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: quantum wells; excitons; Semiconductors; laser excitation; ultrafast dynamics; non-linear optics; pump probe; exciton wave paket
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 17 Oct 2017 09:58
Last Modified: 18 Oct 2017 07:36
URI: https://eref.uni-bayreuth.de/id/eprint/40038