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

Jia-qiang Zhao , Lian-zhen Cao , Yang Yang , Ying-de Li , Huai-xin Lu

Optoelectronics Letters ›› : 318 -320.

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Optoelectronics Letters ›› : 318 -320. DOI: 10.1007/s11801-017-7041-6
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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 SCHSH=2.64±0.02 and SanalogCHSH=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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Jia-qiang Zhao, Lian-zhen Cao, Yang Yang, Ying-de Li, Huai-xin Lu. Experimental investigation of the CHSH-class inequality and its robustness in noisy environments. Optoelectronics Letters 318-320 DOI:10.1007/s11801-017-7041-6

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