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Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity |
| Yan Xiang (闫香), Yu Ya-Fei (於亚飞), Zhang Zhi-Ming (张智明) |
| Laboratory of Nanophotonic Functional Materials and Devices (SIPSE), Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China |
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Abstract We propose a scheme for generating a hyperentangled four-photon cluster state that is simultaneously entangled in polarization modes and spatial modes. This scheme is based on linear optical elements, weak cross-Kerr nonlinearity, and homodyne detection. Therefore, it is feasible with current experimental technology.
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Received: 20 July 2013
Revised: 05 November 2013
Accepted manuscript online:
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PACS:
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03.65.Ud
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(Entanglement and quantum nonlocality)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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03.67.-a
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(Quantum information)
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42.50.-p
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(Quantum optics)
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| Fund: Project supported by the Major Research Plan of the National Natural Science Foundation of China (Grant No. 91121023), the National Natural Science Foundation of China (Grant Nos. 60978009 and 61378012), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20124407110009), the "973" Project (Grant Nos. 2011CBA00200 and 2013CB921804), and the PCSIRT (Grant No. IRT1243). |
Corresponding Authors:
Zhang Zhi-Ming
E-mail: zmzhang@scnu.edu.cn
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Cite this article:
Yan Xiang (闫香), Yu Ya-Fei (於亚飞), Zhang Zhi-Ming (张智明) Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity 2014 Chin. Phys. B 23 060306
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