Asymmetric Bipartite EPR Steering Swapping Characteristics of Continuous Variable

Shuqin Zhai; Nan Yuan; Qian Li

doi:10.3788/AOS202040.0427001

Journals >Acta Optica Sinica >Volume 40 >Issue 4 >Page 0427001 > Article

Acta Optica Sinica
Vol. 40, Issue 4, 0427001 (2020)

Asymmetric Bipartite EPR Steering Swapping Characteristics of Continuous Variable

Shuqin Zhai^1、2、*, Nan Yuan¹, and Qian Li¹

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/AOS202040.0427001 Cite this Article Set citation alerts

Shuqin Zhai, Nan Yuan, Qian Li. Asymmetric Bipartite EPR Steering Swapping Characteristics of Continuous Variable[J]. Acta Optica Sinica, 2020, 40(4): 0427001 Copy Citation Text

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Schematics of asymmetric swapping of EPR steering. (a) Asymmetric modulation added in two output ends; (b)noise added in A^ end, and modulation added in <math id="Mml25" xmlns:mml="http://www.w3.org/1998/Ma

Fig. 1. Schematics of asymmetric swapping of EPR steering. (a) Asymmetric modulation added in two output ends; (b)noise added in

\begin{matrix} \hat{A} \end{matrix}

end, and modulation added in

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EPR steering parameters versus modulation factors and squeezing parameters in scheme I(g1=g2=g). (a) Dependence of EPR steering on modulation factors with two different squeezing parameters of input squeezed modes; (b) dependence of EPR steering on squeezing parameters of input squeezed modes (g1=g2=g=0.35)

Fig. 2. EPR steering parameters versus modulation factors and squeezing parameters in scheme I(g₁=g₂=g). (a) Dependence of EPR steering on modulation factors with two different squeezing parameters of input squeezed modes; (b) dependence of EPR steering on squeezing parameters of input squeezed modes (g₁=g₂=g=0.35)

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Fig. 3. EPR steering parameters versus modulation factors and noises in scheme II(g₁=g₂=g,r=1.15). (a) Dependence of EPR steering on modulation factors with two different squeezing parameters of input squeezed modes; (b) dependence of EPR steering on squeezing parameters of input squeezed modes

Shuqin Zhai, Nan Yuan, Qian Li. Asymmetric Bipartite EPR Steering Swapping Characteristics of Continuous Variable[J]. Acta Optica Sinica, 2020, 40(4): 0427001

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