Belkov, Vassilij and Ganichev, Sergey and Schneider, Petra and Giglberger, Stephan and Ivchenko, Eougenious and Tarasenko, Sergey and Wegscheider, Werner and Weiss, Dieter and Prettl, Wilhelm (2003) Magneto-Gyrotropic Photogalvanic Effect in Semiconductor Quantum Wells. Working Paper.
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We investigate both experimentally and theoretically, the magneto-gyrotropic photogalvanic effect in zinc-blende based quantum wells with point-group symmetry using optical excitation in the terahertz frequency range. The investigated frequencies cause intra-subband but no inter-band and inter-subband transitions. While at normal incidence the photocurrent vanishes at zero magnetic field, it is shown that an in-plane magnetic field generates photocurrents both for polarized and unpolarized excitation. In general the spin-galvanic effect, caused by circularly polarized light, and the magneto-gyrotropic effect, caused by unpolarized excitation, is superimposed. It is shown that in the case of two specific geometries both effects are separable.
|Item Type:||Monograph (Working Paper)|
|Institutions:||Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||05 Oct 2007|
|Last Modified:||12 Nov 2009 05:10|
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