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Review: Spin photocurrents in quantum wells

URN to cite this document:
urn:nbn:de:bvb:355-epub-21660
Ganichev, Sergey ; Prettl, Wilhelm
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Date of publication of this fulltext: 05 Aug 2009 13:37


Abstract

Spin photocurrents generated by homogeneous optical excitation with circularly polarized radiation in quantum wells (QWs) are reviewed. The absorption of circularly polarized light results in optical spin orientation due to the transfer of the angular momentum of photons to electrons of a two-dimensional electron gas. It is shown that in QWs belonging to one of the gyrotropic crystal classes a ...

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