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.
© 2005 Optical Society of America
D. Tröndle, W. Löffler, T. Passow, B. Daniel, M. Grün, M. Hetterich, C. Klingshirn, and H. Kalt, "Optical Spin Injection from a ZnMnSe Spin Aligner into GaAs / AlGaAs Quantum Wells," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JTuC96.
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