Deterministic entanglement of Rydberg ensembles by engineered dissipation

D. D. Bhaktavatsala Rao and Klaus Mølmer
Phys. Rev. A 90, 062319 – Published 11 December 2014

Abstract

We propose a scheme that employs dissipation to deterministically generate entanglement in an ensemble of strongly interacting Rydberg atoms. With a combination of microwave driving between different Rydberg levels and a resonant laser coupling to a short-lived atomic state, the ensemble can be driven towards a dark steady state that entangles all atoms. The long-range resonant dipole-dipole interaction between different Rydberg states extends the entanglement beyond the van der Waals interaction range with perspectives for entangling atoms in separate ensembles.

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  • Received 2 July 2014
  • Revised 26 September 2014

DOI:https://doi.org/10.1103/PhysRevA.90.062319

©2014 American Physical Society

Authors & Affiliations

D. D. Bhaktavatsala Rao and Klaus Mølmer

  • Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark

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Issue

Vol. 90, Iss. 6 — December 2014

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