Ganichev, Sergey and Belkov, Vassilij and Schneider, Petra and Ivchenko, Eougenious and Tarasenko, Sergey and Schuh, Dieter and Wegscheider, Werner and Weiss, Dieter and Prettl, Wilhelm
Resonant inversion of circular photogalvanic effect in n-doped quantum wells,.
Physical Review B 68, 035319.
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Other URL: http://www.physik.uni-regensburg.de/forschung/ganichev/reprints/PRB2003p35319_inversion.pdf
We show that the sign of the circular photogalvanic effect can be changed by tuning the radiation frequency of circularly polarized light. Here resonant inversion of the photogalvanic effect has been observed for direct
intersubband transition in n-type GaAs quantum well structures. This inversion of the photon helicity driven
current is a direct consequence of the lifting of the spin degeneracy ...
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