Polarization-dependent shift in excitonic Zeeman splitting of self-assembled InAlAs quantum dots
T. Yokoi, S. Adachi, H. Sasakura, S. Muto, H. Z. Song, T. Usuki, S. Hirose
Abstract
We report the optical spectroscopic results of a single self-assembled InAlAs/Al GaAs quantum dot. The polarization-dependent shift of the Zeeman splitting in a single InAlAs QD has been observed. The induced Overhauser field is estimated to be 0.16 T in this InAlAs QD and the magnitude is shown to be controllable by the degree of circular polarization of excitation light.
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