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Nonlinear photogalvanic effect induced by monopolar spin orientation of holes in QWs

Ganichev, Sergey ; Danilov, Sergey ; Belkov, Vassilij ; Ivchenko, Eougenious ; Ketterl, Hermann ; Wegscheider, Werner ; Vorobjev, L. E. ; Bichler, Max ; Prettl, Wilhelm
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Date of publication of this fulltext: 30 Nov 2009 13:52


Abstract

We report on the first observation of the circular photogalvanic effect (CPGE) induced by optical monopolar spin orientation of holes in p-doped quantum-well structures. It is shown that monopolar optical spin orientation of free carriers causes an electric current which reverses its direction upon changing from left to right circularly polarized radiation. The effect has been observed in (0 0 ...

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