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Monopolar optical orientation of electronic spins in semiconductors

URN to cite this document:
Tarasenko, Sergey ; Ivchenko, Eougenious ; Belkov, Vassilij ; Ganichev, Sergey ; Schneider, Petra ; Sollinger, M. ; Schowalter, Dieter ; Prettl, Wilhelm ; Ustinov, V. ; Zhukov, A. ; Vorobjev, L. Long, Andrew R. ; Davies, John H. , eds.
Date of publication of this fulltext: 05 Aug 2009 13:37


It is shown that absorption of circularly polarized infrared radiation due to intraband (Drude-like) transitions in n-type bulk semiconductors and due to intra-subband or inter-subband transitions in quantum well (QW) structures results in a monopolar spin orientation of free electrons. Spin polarization in zinc-blende-structure based QWs is demonstrated by the observation of the spin-galvanic ...


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