Anisotropic spin splitting of the electron ground state in InAs quantum dots

Photoinduced circular dichroism experiments in an oblique magnetic field allow measurements of Larmor precession frequencies, and so give a precise determination of the electron Landé g factor and its anisotropy in self-assembled In As ∕ Ga As quantum dots emitting at 1.32 eV . In good agreement wit...

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Bibliographic Details
Published in:Applied physics letters 2007-06, Vol.90 (24), p.242113-242113-3
Main Authors: Aubry, E., Testelin, C., Bernardot, F., Chamarro, M., Lemaître, A.
Format: Article
Language:English
Subjects:
Condensed Matter
Physics
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Summary:Photoinduced circular dichroism experiments in an oblique magnetic field allow measurements of Larmor precession frequencies, and so give a precise determination of the electron Landé g factor and its anisotropy in self-assembled In As ∕ Ga As quantum dots emitting at 1.32 eV . In good agreement with recent theoretical results, the authors measure ∣ g ⊥ ∣ = 0.397 ± 0.003 and ∣ g || ∣ = 0.18 ± 0.02 .
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2748847