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Magneto-gyrotropic photogalvanic effects due to inter-subband absorption in quantum wells

Diehl, Helgi ; Shalygin, Vadim ; Danilov, Sergey ; Tarasenko, Sergey ; Belkov, Vassilij ; Schuh, Dieter ; Wegscheider, Werner ; Prettl, Wilhelm ; Ganichev, Sergey
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Date of publication of this fulltext: 25 Jan 2010 13:53


Abstract

We report on the observation of the magneto-photogalvanic effect (MPGE) due to inter-subband transitions in (001)-oriented GaAs quantum wells. This effect is related to the gyrotropic properties of the structures. It is shown that inter-subband absorption of linearly polarized radiation may lead to spin-related as well as spin-independent photocurrents if an external magnetic field is applied in ...

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