Quantum interferences of a single quantum dot in the case of detuning

S. Michaelis De Vasconcellos, S. Stufler, S. A. Wegner, P. Ester, Artur Zrenner, M. Bichler

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Abstract

We report on highly phase-sensitive measurements with a slightly detuned excitation of a quantum mechanical two-level system. It is formed by the single-exciton ground state of a single quantum dot, which is incorporated in a n-i Schottky diode. We excite the two-level system by two partly overlapping laser pulses with variable phase shift. To investigate the properties of the quantum system we determine its occupancy by measuring the photocurrent. The experimental data are compared to a numerical simulation of the system.

Original languageEnglish
Article number081304
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume74
Issue number8
DOIs
Publication statusPublished - 23 Aug 2006

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