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Proceedings Paper

Fast optically driven spin qubit gates in an InAs quantum dot
Author(s): Erik D. Kim; Katherine Truex; Xiaodong Xu; Bo Sun; D. G. Steel; Allan S. Bracker; Daniel Gammon; Lu Sham
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Paper Abstract

The ability to manipulate the spin states of charges confined in quantum dots (QDs) is essential for the realization of a quantum computer based on such spins. Here, we present experimentally realized electron spin qubit gates in a single self-assembled InAs QD using a combination of picosecond optical pulses, spin precession about an external DC magnetic field and optically generated geometric phases. Arbitrary unitary operations on the electron spin qubit may be constructed using a combination of optical pulses and either spin precession or the optically generated geometric phases.

Paper Details

Date Published: 15 February 2010
PDF: 8 pages
Proc. SPIE 7611, Advances in Photonics of Quantum Computing, Memory, and Communication III, 76110I (15 February 2010); doi: 10.1117/12.842072
Show Author Affiliations
Erik D. Kim, Univ. of Michigan (United States)
Katherine Truex, Univ. of Michigan (United States)
Xiaodong Xu, Univ. of Michigan (United States)
Bo Sun, Univ. of Michigan (United States)
D. G. Steel, Univ. of Michigan (United States)
Allan S. Bracker, Naval Research Lab. (United States)
Daniel Gammon, Naval Research Lab. (United States)
Lu Sham, Univ. of California, San Diego (United States)


Published in SPIE Proceedings Vol. 7611:
Advances in Photonics of Quantum Computing, Memory, and Communication III
Zameer U. Hasan; Alan E. Craig; Philip R. Hemmer; Charles M. Santori, Editor(s)

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