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

Shuqin Zhai; Nan Yuan

doi:10.3788/CJL202148.2012001

Journals >Chinese Journal of Lasers >Volume 48 >Issue 20 >Page 2012001 > Article

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

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

Shuqin Zhai^1、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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DOI: 10.3788/CJL202148.2012001 Cite this Article Set citation alerts

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

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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

\hat{A}

' and

\hat{B}

'. (a) EPR steering parameter versus Gaussian noise between

\hat{A}

'and

\hat{B}

'when η=0.9; (b) EPR steering parameter versus transmissivity between

\hat{A}

'and

\hat{B}

Download full size

Fig. 3. EPR steering in (1+2) mode and (2+1) mode. (a) EPR steering parameter versus Gaussian noise δ between

\hat{A}

'and

\hat{B}

\hat{C}

when η=0.9; (b) EPR steering parameter versus transmissivity between

\hat{A}

'and

\hat{B}

\hat{C}

;(c) EPR steering parameter versus Gaussian noise between

\hat{B}

'and

\hat{A}

\hat{C}

when η=0.9. (d) EPR steering parameter versus transmissivity between

\hat{B}

' and

\hat{A}

\hat{C}

Download full size

Fig. 4. EPR steering in (1+3) mode and (3+1) mode. (a) EPR steering parameter versus Gaussian noise between

\hat{A}

' and

\hat{B}

\hat{C} \hat{D}

when η=0.9; (b) EPR steering parameter versus transmissivity between

\hat{A}

' and

\hat{B}

\hat{C} \hat{D}

;(c) EPR steering parameter versus Gaussian noise between

\hat{B}

' and

\hat{A}

\hat{C} \hat{D}

when η=0.9; (d) EPR steering parameter versus transmissivity between

\hat{B}

' and

\hat{A}

\hat{C} \hat{D}

Download full size

Fig. 5. EPR steering in (2+2) mode. (a) EPR steering parameter versus Gaussian noise between

\hat{A}

\hat{B}

' and

\hat{C} \hat{D}

when η=0.9; (b) EPR steering parameter versus transmissivity between

\hat{A}

\hat{B}

' and

\hat{C} \hat{D}

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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