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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 55: Poster II

Q 55.50: Poster

Thursday, March 11, 2010, 16:00–19:00, Lichthof

Generation of two-dimensional cluster states using bimodal cavities — •Denis Gonta1, Thomas Radtke2, and Stephan Fritzsche3,41Max-Planck-Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg — 2Institut für Physik, Unversität Kassel, Heinrich-Plett-Str. 40, D-34132 Kassel — 3Department of Physical Sciences, P.O Box 3000, Fin-9014, University of Oulu, Finland — 4GSI Helmholtzzentrum für Schwerionenforschung, D-64291 Darmstadt

In the framework of microwave cavity QED, we propose two schemes to generate the two-dimensional 2×N and 3×N cluster states [1]. These states are produced between a chain of two-level Rydberg atoms in a deterministic way by using one or more bimodal cavities within the resonant atom-cavity interaction regime. In contrast to standard (single-mode) cavity schemes, such bimodal cavities possess two independent (orthogonally polarized) modes of the light field. We demonstrate that a 2×N cluster state can be generated efficiently with a single bimodal cavity, while two such cavities are needed to produce a 3×N cluster state. An extension of the scheme to generate two dimensional cluster states of arbitrary size is also possible.

  

[1] D. Gonta, T. Radtke, and S. Fritzsche, Phys. Rev. A 79, 062319 (2009).

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