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From quantum feedback to probabilistic error correction: manipulation of quantum beats in cavity QED

TitleFrom quantum feedback to probabilistic error correction: manipulation of quantum beats in cavity QED
Publication TypeJournal Article
Year of Publication2010
AuthorsP. Barberis-Blostein, D. G. Norris, L. A. Orozco, and H. J. Carmichael
JournalNew J. Phys.
Volume12
Pagination023002
Date Publishedfeb
ISSN1367-2630
Keywords2010
Abstract

It is shown how one can implement quantum feedback and probabilistic error correction in an open quantum system consisting of a single atom, with ground- and excited-state Zeeman structure, in a driven two-mode optical cavity. The ground-state superposition is manipulated and controlled through conditional measurements and external fields, which shield the coherence and correct quantum errors. Modeling an experimentally realistic situation demonstrates the robustness of the proposal for realization in the laboratory.

URLhttp://stacks.iop.org/1367-2630/12/i=2/a=023002