光电子快报(英文版), 2017, 13 (4): 318, Published Online: Sep. 13, 2018  

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

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

ZHAO Jia-qiang, CAO Lian-zhen, YANG Yang, LI Ying-de, LU Huai-xin. Experimental investigation of the CHSH-class inequality and its robustness in noisy environments[J]. 光电子快报(英文版), 2017, 13(4): 318.

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