99 citations · 272 across the 16 of their papers we have counts for
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quant-ph2021★ 9 cited
Directly Characterizing the Coherence of Quantum Detectors by Sequential Measurement
Liang Xu, Huichao Xu, Jie Xie +4
The quantum properties of quantum measurements are indispensable resources in quantum information processing and have drawn extensive research interest. The conventional approach t…
quant-ph2021★ 29 cited
Experimental Quantum Target Detection Approaching the Fundamental Helstrom Limit
Feixiang Xu, Xiao-Ming Zhang, Liang Xu +3
Quantum target detection is an emerging application that utilizes entanglement to enhance the sensing of the presence of an object. Although several experimental demonstrations for…
quant-ph2021
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…