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Experimental investigation of the CHSH-class inequality and its robustness in noisy environments

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Abstract

Using the entangled two-photon systems, we experimentally demonstrate the predictions of the analog Clauser-Horne- Shimony-Holt (CHSH) inequality and investigate the robustness of the CHSH-class inequality in the bit-flip noisy environment. We obtain the experimental results of CHSH inequality and analog CHSH inequality as S CHSH=2.64±0.02 and S analogCHSH=2.76±0.02, respectively, and prove that the analog CHSH inequality is more robust against bit-flip noise than the CHSH inequality. It provides better advantages for the experimental study and application.

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Authors and Affiliations

  1. Shandong Provincial Key Laboratory of Multi-photon Entanglement and Manipulation, Department of Physics and Electronic Science, Weifang University, Weifang, 261061, China

    Jia-qiang Zhao  (赵加强), Lian-zhen Cao  (曹连振), Yang Yang  (杨阳), Ying-de Li  (李英德) & Huai-xin Lu  (逯怀新)

Authors
  1. Jia-qiang Zhao  (赵加强)
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  2. Lian-zhen Cao  (曹连振)
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  3. Yang Yang  (杨阳)
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  4. Ying-de Li  (李英德)
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  5. Huai-xin Lu  (逯怀新)
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Corresponding author

Correspondence to Jia-qiang Zhao  (赵加强).

Additional information

This work has been supported by the National Natural Science Foundation of China (Nos.11174224, 11404246 and 11447225), and the Natural Science Foundation of Shandong Province (Nos.ZR2013FM001, BS2015DX015 and ZR2014JL029).

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Zhao, Jq., Cao, Lz., Yang, Y. et al. Experimental investigation of the CHSH-class inequality and its robustness in noisy environments. Optoelectron. Lett. 13, 318–320 (2017). https://doi.org/10.1007/s11801-017-7041-6

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  • DOI: https://doi.org/10.1007/s11801-017-7041-6

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