Spin-sensitive bleaching and spin relaxation in QWs

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11489

Schneider, Petra ; Ganichev, Sergey ; Kainz, Josef ; Rössler, Ulrich ; Wegscheider, Werner ; Weiss, Dieter ; Prettl, Wilhelm ; Belkov, Vassilij ; Golub, Leonid E. ; Schuh, Dieter

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Veröffentlichungsdatum dieses Volltextes: 15 Dez 2009 08:53

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Spin-sensitive saturation of absorption of infrared radiation has been investigated in p-type GaAs QWs. It is shown that the absorption saturation of circularly polarized radiation is mostly controlled by the spin relaxation time of the holes. The saturation behavior has been investigated for different QW widths and in dependence on the temperature with the result that the saturation intensity ...