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Atomic interface between microwave and optical photons

M. Hafezi, Z. Kim, S. L. Rolston, L. A. Orozco, B. L. Lev, and J. M. Taylor
Phys. Rev. A 85, 020302(R) – Published 22 February 2012
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Abstract

A complete physical approach to quantum information requires a robust interface among flying qubits, long-lifetime memory, and computational qubits. Here we present a unified interface for microwave and optical photons, potentially connecting engineerable quantum devices such as superconducting qubits at long distances through optical photons. Our approach uses an ultracold ensemble of atoms for two purposes: quantum memory and to transduce excitations between the two frequency domains. Using coherent control techniques, we examine an approach for converting and storing quantum information between microwave photons in superconducting resonators, ensembles of ultracold atoms, and optical photons, as well as a method for transferring information between two resonators.

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  • Received 18 October 2011

DOI:https://doi.org/10.1103/PhysRevA.85.020302

©2012 American Physical Society

Authors & Affiliations

M. Hafezi1,*, Z. Kim1, S. L. Rolston1, L. A. Orozco1, B. L. Lev2, and J. M. Taylor1

  • 1Joint Quantum Institute, University of Maryland/National Institute of Standards and Technology, College Park, Maryland 20742, USA
  • 2Departments of Applied Physics and Physics, and E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA

  • *hafezi@umd.edu

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Issue

Vol. 85, Iss. 2 — February 2012

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