Quantum Information Processing with Single Photons and Atomic Ensembles in Microwave Coplanar Waveguide Resonators

David Petrosyan and Michael Fleischhauer
Phys. Rev. Lett. 100, 170501 – Published 28 April 2008

Abstract

We show that pairs of atoms optically excited to the Rydberg states can strongly interact with each other via effective long-range dipole-dipole or van der Waals interactions mediated by their nonresonant coupling to a common microwave field mode of a superconducting coplanar waveguide cavity. These cavity mediated interactions can be employed to generate single photons and to realize in a scalable configuration a universal phase gate between pairs of single photon pulses propagating or stored in atomic ensembles in the regime of electromagnetically induced transparency.

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  • Received 21 February 2008

DOI:https://doi.org/10.1103/PhysRevLett.100.170501

©2008 American Physical Society

Authors & Affiliations

David Petrosyan1 and Michael Fleischhauer2

  • 1Institute of Electronic Structure & Laser, FORTH, 71110 Heraklion, Crete, Greece
  • 2Fachbereich Physik, Universität Kaiserslautern, D-67663 Kaiserslautern, Germany

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Vol. 100, Iss. 17 — 2 May 2008

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