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Quantum information processing using quantum dot spins and cavity QED

Imamoglu, A. and Awschalom, D. D. and Burkard, G. and DiVincenzo, D. P. and Loss, D. and Sherwin, M. and Small, A.. (1999) Quantum information processing using quantum dot spins and cavity QED. Physical review letters, Vol. 83, H. 20. pp. 4204-4207.

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Official URL: http://edoc.unibas.ch/dok/A5254751

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Abstract

The electronic spin degrees of freedom in semiconductors typically have decoherence times that are several orders of magnitude longer than other relevant time scales. A solid-state quantum computer based on localized electron spins as qubits is therefore of potential interest. Here, a scheme that realizes controlled interactions between two distant quantum dot spins is proposed. The effective long-range interaction is mediated by the vacuum field of a high finesse microcavity. By using conduction-band-hole Raman transitions induced by classical laser fields and the cavity-mode, parallel controlled-not operations, and arbitrary single qubit rotations can be realized.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Physical Society
ISSN:0031-9007
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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