Source of entangled atom pairs on demand using the Rydberg blockade

S. Wüster, S. Möbius, M. Genkin, A. Eisfeld, and J. M. Rost
Phys. Rev. A 88, 063644 – Published 27 December 2013

Abstract

Two ultracold atom clouds, each separately in a dipole-blockade regime, realize a source of entangled atom pairs that can be ejected on demand. Entanglement generation and ejection is due to resonant dipole-dipole interactions, while van der Waals interactions are predominantly responsible for the blockade that ensures the ejection of a single atom per cloud. A source of entangled atoms using these effects can operate with a 10 kHz repetition rate producing ejected atoms with velocities of about 0.5 m/s. Using spatially resolved Rydberg state coupling and detection, a violation of Bell's inequalities could be measured in our setup.

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  • Received 27 September 2013

DOI:https://doi.org/10.1103/PhysRevA.88.063644

©2013 American Physical Society

Authors & Affiliations

S. Wüster, S. Möbius, M. Genkin, A. Eisfeld, and J. M. Rost

  • Max-Planck-Institute for the Physics of Complex Systems, 01187 Dresden, Germany

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Issue

Vol. 88, Iss. 6 — December 2013

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