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Chinese Journal of Lasers, Volume. 48, Issue 20, 2012001(2021)

Manipulated Multipartite Continue-Variable EPR Steering with Loss and Gaussian Noise

Shuqin Zhai1,2、* and Nan Yuan1
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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    Figures & Tables(5)
    Schematic diagram of manipulating direction of multipartite EPR steering

    Fig. 1. Schematic diagram of manipulating direction of multipartite EPR steering

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    EPR steering between Â' and B̂'. (a) EPR steering parameter versus Gaussian noise between Â'and B̂'when η=0.9; (b) EPR steering parameter versus transmissivity between Â'and B̂'

    Fig. 2. EPR steering between Â' and B̂'. (a) EPR steering parameter versus Gaussian noise between Â'and B̂'when η=0.9; (b) EPR steering parameter versus transmissivity between Â'and B̂'

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    EPR steering in (1+2) mode and (2+1) mode. (a) EPR steering parameter versus Gaussian noise δ between Â'and B̂'Ĉ when η=0.9; (b) EPR steering parameter versus transmissivity between Â'and B̂'Ĉ;(c) EPR steering parameter versus Gaussian noise between B̂'and Â'Ĉ when η=0.9. (d) EPR steering parameter versus transmissivity between B̂' and Â'Ĉ

    Fig. 3. EPR steering in (1+2) mode and (2+1) mode. (a) EPR steering parameter versus Gaussian noise δ between Â'and B̂'Ĉ when η=0.9; (b) EPR steering parameter versus transmissivity between Â'and B̂'Ĉ;(c) EPR steering parameter versus Gaussian noise between B̂'and Â'Ĉ when η=0.9. (d) EPR steering parameter versus transmissivity between B̂' and Â'Ĉ

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    EPR steering in (1+3) mode and (3+1) mode. (a) EPR steering parameter versus Gaussian noise between Â' and B̂'ĈD̂ when η=0.9; (b) EPR steering parameter versus transmissivity between Â' and B̂'ĈD̂;(c) EPR steering parameter versus Gaussian noise between B̂' and Â'ĈD̂ when η=0.9; (d) EPR steering parameter versus transmissivity between B̂' and Â'ĈD̂

    Fig. 4. EPR steering in (1+3) mode and (3+1) mode. (a) EPR steering parameter versus Gaussian noise between Â' and B̂'ĈD̂ when η=0.9; (b) EPR steering parameter versus transmissivity between Â' and B̂'ĈD̂;(c) EPR steering parameter versus Gaussian noise between B̂' and Â'ĈD̂ when η=0.9; (d) EPR steering parameter versus transmissivity between B̂' and Â'ĈD̂

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    EPR steering in (2+2) mode. (a) EPR steering parameter versus Gaussian noise between Â'B̂' and ĈD̂when η=0.9; (b) EPR steering parameter versus transmissivity between Â'B̂' and ĈD̂

    Fig. 5. EPR steering in (2+2) mode. (a) EPR steering parameter versus Gaussian noise between Â'B̂' and ĈD̂when η=0.9; (b) EPR steering parameter versus transmissivity between Â'B̂' and ĈD̂

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    Shuqin Zhai, Nan Yuan. Manipulated Multipartite Continue-Variable EPR Steering with Loss and Gaussian Noise[J]. Chinese Journal of Lasers, 2021, 48(20): 2012001

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    Paper Information

    Category: quantum optics

    Received: Jan. 25, 2021

    Accepted: Mar. 15, 2021

    Published Online: Oct. 12, 2021

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

    DOI:10.3788/CJL202148.2012001

    Topics

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