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Spin-sensitive Bleaching and Spin-Relaxation in QW's
Petra Schneider, S. D. Ganichev, J. Kainz +7
Spin-sensitive saturation of absorption of infrared radiation has been investigated in p-type GaAs QWs. It is shown that the absorption saturation of circularly polarized radiation…
Spin-photocurrent in p-SiGe quantum wells under terahertz laser irradiation
V. V. Bel'kov, S. D. Ganichev, Petra Schneider +7
A detailed study of the circular photogalvanic effect (CPGE) in SiGe structures is presented. It is shown that the CPGE becomes possible due to the built-in asymmetry of quantum we…
Optical response and spin relaxation in semiconductor systems under excitation with arbitrary polarization
U. Rössler
The equations-of-motion for the density matrix are derived in a multiband model to describe the response of semiconductors (bulk or quantum well structures) under optical excitatio…
Laterally coupled few-electron quantum dots
Andreas Wensauer, Oliver Steffens, Michael Suhrke +1
We present ground-state calculations for laterally coupled quantum dots containing 2, 4, and 8 electrons. As our emphasis is on spin effects our results are obtained by applying sp…