Chin. Phys. Lett.  2009, Vol. 26 Issue (6): 060301    DOI: 10.1088/0256-307X/26/6/060301
GENERAL |
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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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.
Keywords: 03.67.Mn      42.50.Dv      42.50.Pq     
Received: 18 November 2008      Published: 01 June 2009
PACS:  03.67.Mn (Entanglement measures, witnesses, and other characterizations)  
  42.50.Dv (Quantum state engineering and measurements)  
  42.50.Pq (Cavity quantum electrodynamics; micromasers)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/26/6/060301       OR      https://cpl.iphy.ac.cn/Y2009/V26/I6/060301
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ZHOU Yan-Li
YANG Li-Jia
DAI Hong-Yi
LI Cheng-Zu
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