Ultrafast pump-probe dynamics in ZnSe-based semiconductor quantum-wells

Simple item page
dc.creatorOuerdane, Henni
dc.creatorPapageorgiou, George
dc.creatorGalbraith, Ian
dc.creatorKar, Ajoy K.
dc.creatorWherrett, Brian S.
dc.date2008-07-19
dc.date.accessioned2026-07-07T09:51:42Z
dc.date.available2026-07-07T09:51:42Z
dc.descriptionPump-probe experiments are used as a controllable way to investigate the properties of photoexcited semiconductors, in particular, the absorption saturation. We present an experiment-theory comparison for ZnSe quantum wells, investigating the energy renormalization and bleaching of the excitonic resonances. Experiments were performed with spin-selective excitation and above-bandgap pumping. The model, based on the semiconductor Bloch equations in the screened Hartree-Fock approximation, takes various scattering processes into account phenomenologically. Comparing numerical results with available experimental data, we explain the experimental results and find that the electron spin-flip occurs on a time scale of 30 ps.
dc.description10 pages, 9 figures. Key words: nonlinear and ultrafast optics, modeling of femtosecond pump-probe experiments, electron spin-flip time
dc.identifierhttps://arxiv.org/abs/0807.3092
dc.identifierhttp://arxiv.org/abs/0807.3092
dc.identifierJournal of the Optical Society of America B, Vol. 19, pp. 2022-2031 (2002)
dc.identifierdoi:10.1364/JOSAB.19.002022
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165341
dc.subjectMaterials Science
dc.titleUltrafast pump-probe dynamics in ZnSe-based semiconductor quantum-wells
dc.typetext

Files

Collections

arXiv