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Quantum frequency doubling based on tripartite entanglement with cavities |
Juan Guo(郭娟)1,2, Zhi-Feng Wei(魏志峰)1,2, Su-Ying Zhang(张素英)2 |
1. College of Physics and Electronic Engineering, Shanxi University, Taiyuan 030006, China; 2. Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China |
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Abstract We analyze the entanglement characteristics of three harmonic modes, which are the output fields from three cavities with an input tripartite entangled state at fundamental frequency. The entanglement properties of the input beams can be maintained after their frequencies have been up-converted by the process of second harmonic generation. We have calculated the parametric dependences of the correlation spectrum on the initial squeezing factor, the pump power, the transmission coefficient, and the normalized analysis frequency of cavity. The numerical results provide references to choose proper experimental parameters for designing the experiment. The frequency conversion of the multipartite entangled state can also be applied to a quantum communication network.
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Received: 23 July 2015
Revised: 09 October 2015
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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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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03.67.Hk
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(Quantum communication)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 91430109), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20111401110004), and the Natural Science Foundation of Shanxi Province, China (Grant No. 2014011005-3). |
Corresponding Authors:
Su-Ying Zhang
E-mail: zhangsy@sxu.edu.cn
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Cite this article:
Juan Guo(郭娟), Zhi-Feng Wei(魏志峰), Su-Ying Zhang(张素英) Quantum frequency doubling based on tripartite entanglement with cavities 2016 Chin. Phys. B 25 020302
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