Spin relaxation in a zinc-blende (110) symmetric quantum well withδdoping

Spin relaxation in GaAs(110) quantum wells

Electron Spin Relaxation in a Semiconductor Quantum Well

A fully microscopic theory of electron spin relaxation by the D’yakonov-Perel’ type spin-orbit coupling is developed for a semiconductor quantum well in an ambient magnetic field applied perpendicular to the plane of the well. We derive Bloch equations for an electron spin in the well and determine explicit microscopic expressions for the spin relaxation times. The dependencies of the electron ...

Strongly anisotropic spin relaxation revealed by resonant spin amplification in (110) GaAs quantum wells

M. Griesbeck,1 M. M. Glazov,2,* E. Ya. Sherman,3 D. Schuh,1 W. Wegscheider,4 C. Schüller,1 and T. Korn1,† 1Institut für Experimentelle und Angewandte Physik, Universität Regensburg, D-93040 Regensburg, Germany 2Ioffe Physical-Technical Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia 3Department of Physical Chemistry, The University of the Basque Country UPV/EHU, 48080 Bilb...

Electron-beam formation from spin-orbit interactions in zinc-blende semiconductor quantum wells.

We find a dramatic enhancement of electron propagation along a narrow range of real-space angles from an isotropic source in a two-dimensional quantum well made from a zinc-blende semiconductor. This "electron-beam" formation is caused by the interplay between spin-orbit interaction originating from a perpendicular electric field to the quantum well and the intrinsic spin-orbit field of the zin...

Electron spin polarization induced by linearly polarized light in a (110) GaAs quantum-well waveguide.

We report an experimental demonstration of generating electron spin polarization with linearly polarized light in a (110) GaAs quantum well. A detailed frequency-domain pump-probe study shows that the dynamic nuclear spin polarization arising from the oriented electron spins results in a strong dependence of the electron spin splitting on the photon energy and intensity of the linearly polarize...