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Complex Broadband Millimeter Wave Response of a Double Quantum Dot: Rabi Oscillations in an Artificial Molecule

Robert H. Blick, Daniel W. van der Weide, Rolf J. Haug, and Karl Eberl
Phys. Rev. Lett. 81, 689 – Published 20 July 1998
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Abstract

Complex photoconductive measurements of the current through a double quantum dot enable us to monitor effects of coherent electron transport in the suppression of the rabi oscillations of this “artificial molecule.” The current is induced by a new broadband millimeter wave source functioning as a heterodyne interferometer, which consists of two nonlinear transmission lines generating harmonic outputs in the range 2–400 GHz, and, being coherent, allows tracking the induced current through the sample in both magnitude and phase.

  • Received 16 September 1996

DOI:https://doi.org/10.1103/PhysRevLett.81.689

©1998 American Physical Society

Authors & Affiliations

Robert H. Blick*, Daniel W. van der Weide, Rolf J. Haug, and Karl Eberl

  • Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany

  • *Present address: Sektion Physik der Ludwig Maximilians Universität, Geschwister Scholl Platz 1, 80539 München, Germany.Email address: robert.blick@physik.uni-muenchen.de
  • Present address: Electrical Engineering Department, 140 Evans Hall, University of Delaware, Newark, DE 19716.
  • Present address: Universität Hannover, Institut für Festkörperphysik, Appelstr. 2, 30167 Hannover, Germany.

See Also

Signals from an Artificial Molecule

Phys. Rev. Focus 2, 5 (1998)

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Vol. 81, Iss. 3 — 20 July 1998

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