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Efficient multimode quantum memory based on photon echo in an optimal QED cavity

Source: Phys. Rev. A 82, 022311 (2010); doi:10.1103/PhysRevA.82.022311

Published 11 August 2010

PACS
  • 03.67.-a
    Quantum information
  • 42.50.Pq
    Cavity quantum electrodynamics; micromasers
  • 42.50.Ct
    Quantum description of interaction of light and matter; related experiments
  • 42.50.Md
    Optical transient phenomena
  • YEAR: 2010
PUBLICATION DATA
Publisher:
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Sergey A. Moiseev,1,2,3 Sergey N. Andrianov,2,3 and Firdus F. Gubaidullin1,2
1Kazan Physical-Technical Institute of the Russian Academy of Sciences, 10/7 Sibirsky Trakt, Kazan RU-420029, Russia
2Institute for Informatics of Tatarstan Academy of Sciences, 20 Mushtary, Kazan RU-420012, Russia
3Physical Department of Kazan State University, Kremlevskaya 18, Kazan RU-420008, Russia
Effective multimode photon echo quantum memory on multiatomic ensemble in the QED cavity is proposed. We obtain the analytical solution for the quantum memory efficiency that can be equal to unity when optimal conditions for the cavity and atomic parameters are held. Detailed analysis of the optimal conditions is performed. Numerical estimation for realistic atomic and cavity parameters demonstrates the high efficiency of the quantum memory for an optically thin resonant atomic system that opens a door for real applications. ©2010 The American Physical Society
History: Received 8 April 2010; published 11 August 2010
Permalink: http://link.aps.org/abstract/PRA/v82/e022311
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