Title :
Optical spin injection from a ZnMnSe spin aligner into GaAs/AlGaAs quantum wells
Author :
Tröndle, D. ; Löffler, W. ; Passow, Th. ; Daniel, B. ; Grun, M. ; Hetterich, M. ; Klingshirn, C. ; Kalt, H.
Author_Institution :
Inst. fur Angewandte Phys., Karlsruhe Univ., Germany
Abstract :
Spin-polarized excitons are optically created in a diluted magnetic semiconductor layer and transferred to a non-magnetic GaAs/AlGaAs quantum well. The photoluminescence intensity is measured polarization resolved and gives clear evidence for efficient spin injection.
Keywords :
III-V semiconductors; aluminium compounds; excitons; gallium compounds; magnetic semiconductors; magneto-optical effects; manganese compounds; photoluminescence; semiconductor quantum wells; spin polarised transport; zinc compounds; GaAs-AlGaAs; ZnMnSe; diluted magnetic semiconductor layer; nonmagnetic semiconductor quantum well; optical polarisation; optical spin injection; photoluminescence intensity; spin-polarized excitons; Excitons; Gallium arsenide; Lattices; Magnetic semiconductors; Molecular beam epitaxial growth; Optical buffering; Optical polarization; Photoluminescence; Spin polarized transport; Zinc compounds;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549031
