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

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

2011-10-19

arxiv.org/abs/1110.4331v1

Physics

Quantum Physics

5 pages,3 figures

Scientific paper

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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