Spatially resolved magneto-optics on confined systems

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.10886

Zrenner, Artur ; Markmann, Markus ; Paassen, A. ; Efros, A. L. ; Bichler, Max ; Wegscheider, Werner ; Bohm, G. ; Abstreiter, Gerhard

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Veröffentlichungsdatum dieses Volltextes: 09 Nov 2009 13:23

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Zusammenfassung

We report about spatially resolved magneto-optical experiments on two different confined semiconductor systems. Using near-field spectroscopy through AFM-written shadow masks we have investigated the optical properties of single self-assembled InGaAs quantum dots as a function of excitation power and magnetic field. This allows us to identify and fully resolve diamagnetic/orbital effects and the ...