Ganichev, Sergey and Ivchenko, Eougenious and Danilov, Sergey and Sollinger, M. and Eroms, Jonathan and Wegscheider, Werner and Weiss, Dieter and Prettl, Wilhelm (2002) Transfer of spin orientation into electric current in quantum wells. Physica E 13 (2-4), pp. 552-555.
A monopolar spin polarization has been achieved in quantum well structures applying terahertz circularly polarized radiation. The spin polarization results in a directed motion of free carriers in the plane of a quantum well perpendicularly to the direction of light propagation. Due to spin selection rules the direction of the current is determined by the helicity of the light and can be reversed by switching the helicity from right- to left handed.
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|Institutions:||Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev|
|Keywords:||Circular photogalvanic effect; Monopolar spin polarization|
|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:||13 Mar 2014 10:15|