5 papers
Improving the Precision of Optical Metrology by Detecting Fewer Photons
Peng Yin, Wen-Hao Zhang, Liang Xu +13
In optical metrological protocols to measure physical quantities, it is, in principle, always beneficial to increase photon number to improve measurement precision. However, practi…
Classical Communication Enhanced Quantum State Verification
Wen-Hao Zhang, Xiao Liu, Peng Yin +11
Quantum state verification provides an efficient approach to characterize the reliability of quantum devices for generating certain target states. The figure of merit of a specific…
Experimental demonstration of secure quantum remote sensing
Peng Yin, Yuki Takeuchi, Wen-Hao Zhang +10
Quantum metrology aims to enhance the precision of various measurement tasks by taking advantages of quantum properties. In many scenarios, precision is not the sole target; the ac…
Experimental Optimal Verification of Entangled States using Local Measurements
Wen-Hao Zhang, Zhe Chen, Xing-Xiang Peng +7
The initialization of a quantum system into a certain state is a crucial aspect of quantum information science. While a variety of measurement strategies have been developed to cha…
Experimentally Robust Self-testing for Bipartite and Tripartite Entangled States
Wen-Hao Zhang, Geng Chen, Xing-Xiang Peng +9
Self-testing refers to a method with which a classical user can certify the state and measurements of quantum systems in a device-independent way. Especially, the self-testing of e…