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Q: Fachverband Quantenoptik und Photonik
Q 28: Poster Quanteninformation
Q 28.13: Poster
Dienstag, 11. März 2008, 16:30–19:00, Poster C2
Beyond the three-partite GHZ and W states using a bimodal cavity — •Denis Gonta1, Thomas Radtke2, and Stephan Fritzsche1,3 — 1Max–Planck–Institut für Kernphysik, Postfach 103980, D–69029 Heidelberg — 2Institut für Physik, Universität Kassel, Heinrich-Plett-Str. 40, D-34132 Kassel — 3Physikalisches Institut der Universität Heidelberg, Philosophenweg 12, D-69120 Heidelberg
In the framework of cavity QED, we propose two novel schemes to engineer the four-partite entangled GHZ and W states. The entangled states are produced between the two-level Rydberg atoms in a deterministic way. In contrast to standard (single-mode) cavity schemes, our proposal is based on a bimodal cavity that possesses two independent modes of the light field. In addition, we suggest two schemes to reveal the non-classical correlations of the entangled states and to ensure that no statistical (uncorrelated) mixtures of states have been produced. An extension of the schemes to produce N-partite entangled GHZ and W states is also possible.