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Acta Optica Sinica, Volume. 41, Issue 16, 1627002(2021)

EPR Quantum Steering Switch Based on Entanglement Swapping

Shuqin Zhai1,2、*, Nan Yuan1, and Kui Liu2
Author Affiliations
  • 1College of Physics and Electronic Engineering, Shanxi University, Taiyuan, Shanxi 0 30006, China
  • 2State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan, Shanxi 0 30006, China
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    AbstractGet PDF(in Chinese)
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    Schematic of quantum switch based on EPR steering swapping

    Fig. 1. Schematic of quantum switch based on EPR steering swapping

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    Dependence of EPR steering parameter between two modes on R (r=1.15, g1=0.5, g2=1). (a) A^'1 mode and C^ mode; (b) A^'1 mode and B^'2 mode; (c) B^'2 mode and C^ mode

    Fig. 2. Dependence of EPR steering parameter between two modes on R (r=1.15, g1=0.5, g2=1). (a) A^'1 mode and C^ mode; (b) A^'1 mode and B^'2 mode; (c) B^'2 mode and C^ mode

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    Dependence of EPR steering parameter between two modes on modulation factor (r=1.15). (a) Dependence of EPR steering parameter between A^'1 and C^ on g1 with R=0.8; (b) dependence of EPR steering parameter between A^'1 and B^'2 on g1 with R=0.1 and g2=1; (c) dependence of EPR steering parameter between A^'1 and B^'2 on g2 with R=0.1 and g1=0.5; (d) dependence of EPR steering parameter between A^'1 and C^ on g2 with R=0.1

    Fig. 3. Dependence of EPR steering parameter between two modes on modulation factor (r=1.15). (a) Dependence of EPR steering parameter between A^'1 and C^ on g1 with R=0.8; (b) dependence of EPR steering parameter between A^'1 and B^'2 on g1 with R=0.1 and g2=1; (c) dependence of EPR steering parameter between A^'1 and B^'2 on g2 with R=0.1 and g1=0.5; (d) dependence of EPR steering parameter between A^'1 and C^ on g2 with R=0.1

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    Dependence of EPR steering parameter between two modes on R when r=1.15, g1=0.5, g2=1, and extra noise is 0.3

    Fig. 4. Dependence of EPR steering parameter between two modes on R when r=1.15, g1=0.5, g2=1, and extra noise is 0.3

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    Shuqin Zhai, Nan Yuan, Kui Liu. EPR Quantum Steering Switch Based on Entanglement Swapping[J]. Acta Optica Sinica, 2021, 41(16): 1627002

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    Paper Information

    Category: Quantum Optics

    Received: Dec. 15, 2020

    Accepted: Mar. 18, 2021

    Published Online: Aug. 12, 2021

    The Author Email: Zhai Shuqin (xiaozhai@sxu.edu.cn)

    DOI:10.3788/AOS202141.1627002

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology