Theory of quantum optical control of a single spin in a quantum dot

Pochung Chen; C. Piermarocchi; L. J. Sham; D. Gammon; D. G. Steel

doi:10.1103/PhysRevB.69.075320

Theory of quantum optical control of a single spin in a quantum dot

Pochung Chen, C. Piermarocchi, L. J. Sham, D. Gammon, and D. G. Steel

Phys. Rev. B 69, 075320 – Published 27 February 2004

Abstract

We present a theory of quantum optical control of an electron spin in a single semiconductor quantum dot via spin-flip Raman transitions. We show how an arbitrary spin rotation may be achieved by virtual excitation of discrete or continuum trion states. The basic physics issues of the appropriate adiabatic optical pulses in a static magnetic field to perform the single-qubit operation are addressed.

Received 24 January 2003

DOI:https://doi.org/10.1103/PhysRevB.69.075320

Authors & Affiliations

Pochung Chen^1,2, C. Piermarocchi^1,3, L. J. Sham¹, D. Gammon⁴, and D. G. Steel⁵

¹Department of Physics, University of California San Diego, La Jolla, California 92093-0319, USA
²Department of Chemistry, University of California Berkeley, Berkeley, California 94720-1640, USA
³Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-2320, USA
⁴Naval Research Laboratory, Washington, D.C. 20375-5347, USA
⁵Harrison M. Randall Laboratory of Physics, The University of Michigan, Ann Arbor, Michigan 48109-1120, USA

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Vol. 69, Iss. 7 — 15 February 2004

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