Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity

doi:10.1088/1674-1056/23/6/060306

中国物理B ›› 2014, Vol. 23 ›› Issue (6): 60306-060306.doi: 10.1088/1674-1056/23/6/060306

Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity

闫香, 於亚飞, 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

收稿日期:2013-07-20 修回日期:2013-11-05 出版日期:2014-06-15 发布日期:2014-06-15
基金资助:
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).

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

Received:2013-07-20 Revised:2013-11-05 Online:2014-06-15 Published:2014-06-15
Contact: Zhang Zhi-Ming E-mail:zmzhang@scnu.edu.cn
Supported by:
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).

摘要/Abstract

摘要： 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.

关键词: hyperentangled cluster state, cross-Kerr nonlinearity, homodyne detection, controlled-Z gate

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.

Key words: hyperentangled cluster state, cross-Kerr nonlinearity, homodyne detection, controlled-Z gate

中图分类号: (Entanglement and quantum nonlocality)

03.65.Ud

03.67.Mn (Entanglement measures, witnesses, and other characterizations) 03.67.-a (Quantum information) 42.50.-p (Quantum optics)

闫香, 於亚飞, 张智明. Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity[J]. 中国物理B, 2014, 23(6): 60306-060306.

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[J]. Chin. Phys. B, 2014, 23(6): 60306-060306.

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Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity

Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity

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