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Controllable operation for distant qubits in a two-dimensional quantum network

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Abstract

We propose a theoretical scheme to realize the coherent coupling of multiple atoms in a quantum network which is composed of a two-dimensional (2D) array of coupled cavities. In the scheme, the pairing off-resonant Raman transitions of different atoms, induced by the cavity modes and external fields, can lead to selective coupling between arbitrary atoms trapped in separated cavities. Based on this physical mechanism, quantum gates between any pair of qubits and parallel two-qubit operations can be performed in the 2D system. The scheme provides a new perspective for coherent manipulation of quantum systems in 2D quantum networks.

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Authors and Affiliations

  1. Department of PhysicsFuzhou University, Fuzhou, 350002, P.R. China

    Z.-R. Zhong, X. Lin, B. Zhang & Z.-B. Yang

  2. School of Physics and Optoelectronics Technology, Fujian Normal University, Fuzhou, 350007, P.R. China

    X. Lin

  3. Key Laboratory of Quantum Information, University of Science and Technology of China, CAS, Hefei, 230026, P.R. China

    Z.-B. Yang

Authors
  1. Z.-R. Zhong
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  2. X. Lin
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  3. B. Zhang
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  4. Z.-B. Yang
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Corresponding authors

Correspondence to Z.-R. Zhong or Z.-B. Yang.

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Zhong, ZR., Lin, X., Zhang, B. et al. Controllable operation for distant qubits in a two-dimensional quantum network. Eur. Phys. J. D 66, 316 (2012). https://doi.org/10.1140/epjd/e2012-30611-5

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  • DOI: https://doi.org/10.1140/epjd/e2012-30611-5

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