Conversion of spin into directed electric current in quantum wells

URN to cite this document:: urn:nbn:de:bvb:355-epub-21919
DOI to cite this document:: 10.5283/epub.2191

Ganichev, Sergey ; Danilov, Sergey ; Eroms, Jonathan ; Wegscheider, Werner ; Weiss, Dieter ; Prettl, Wilhelm ; Ivchenko, Eougenious

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Date of publication of this fulltext: 05 Aug 2009 13:37

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Abstract

A nonequilibrium population of spin-up and spin-down states in quantum well structures has been achieved applying circularly polarized radiation. The spin polarization results in a directed motion of free carriers in the plane of a quantum well perpendicular to the direction of light propagation. Because of the spin selection rules the direction of the current is determined by the helicity of the ...