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 depe...

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Published inPhysical review letters Vol. 102; no. 20; p. 206604
Main Authors Crankshaw, Shanna, Sedgwick, Forrest G, Moewe, Michael, Chang-Hasnain, Connie, Wang, Hailin, Chuang, Shun-Lien
Format Journal Article
LanguageEnglish
Published United States 22.05.2009
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Summary: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 polarized excitation laser.
ISSN:0031-9007
DOI:10.1103/physrevlett.102.206604