Preparation of Entanglement of Atoms and of Photons via Cavity Input-Output Process |
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Authors: | ZHOU Yan-Li YANG Li-Jia DAI Hong-Yi LI Cheng-Zu |
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Affiliation: | Department of Physics, National University of Defense Technology, Changsha 410073 |
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Abstract: | We propose a method to prepare multipartite entangled states such as cluster states and graph states based on the cavity input-output process and single photon measurement. Two quantum gates, a controlled phase gate and a fusion gate between two atoms trapped in respective cavities, are proposed to prepare atomic cluster states and graph states with one and two dimensions. We also introduce a scheme that can generate an arbitrary multipartite photon cluster state which uses two coherent states as a qubit basis. |
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Keywords: | 03.67.Mn 42.50.Dv 42.50.Pq |
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