Optical Aharonov-Bohm effect in stacked type-II quantum dots
Igor L Kuskovsky, W. MacDonald, A. O. Govorov, L. Muroukh, X. Wei, M. C. Tamargo, M. Tadic, F. M. Peeters
Abstract
Excitons in vertically stacked type-II quantum dots experience the topological magnetic phase and demonstrate the Aharonov-Bohm oscillations in the emission intensity. Photoluminescence of vertically stacked ZnTe/ZnSe quantum dots is measured in magnetic fields up to 31 T. The Aharonov-Bohm oscillations are found in the magnetic-field dependence of emission intensity. The positions of the peaks of the emission intensity are in a good agreement with numerical simulations of excitons in stacked quantum dots.
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