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Preparation of Entanglement of Atoms and of Photons via Cavity Input-Output Process |
| ZHOU Yan-Li, YANG Li-Jia, DAI Hong-Yi, LI Cheng-Zu |
| Department of Physics, National University of Defense Technology, Changsha 410073 |
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| Cite this article: |
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ZHOU Yan-Li, YANG Li-Jia, DAI Hong-Yi et al 2009 Chin. Phys. Lett. 26 060301 |
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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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Received: 18 November 2008
Published: 01 June 2009
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| PACS: |
03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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42.50.Dv
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(Quantum state engineering and measurements)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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