82 citations · 124 across the 8 of their papers we have counts for
8 papers
Minimal Trade-off and Optimal Measurement for Multiparameter Quantum Estimation
Lingna Wang, Hongzhen Chen, Haidong Yuan
A fundamental challenge in multiparameter quantum estimation arises from the incompatibility of optimal measurements for different parameters, leading to intricate precision trade-…
Tight tradeoff relation and optimal measurement for multiparameter quantum estimation
Lingna Wang, Hongzhen Chen, Haidong Yuan
In multiparameter quantum estimation, the optimal measurements for different parameters encoded in a quantum state are in general incompatible, giving rise to nontrivial tradeoffs…
Distributed multi-parameter quantum metrology with a superconducting quantum network
Jiajian Zhang, Lingna Wang, Yong-Ju Hai +19
Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements in fundamental physics. With the advent of distributed quantum metrology…
Enhanced quantum hypothesis testing via the interplay between coherent evolution and noises
Qing Li, Lingna Wang, Min Jiang +3
Previous studies in quantum information have recognized that specific types of noise can encode information in certain applications. However, the role of noise in Quantum Hypothesi…
Multi-parameter quantum metrology with stabilized multi-mode squeezed state
Yue Li, Xu Cheng, Lingna Wang +11
Squeezing a quantum state along a specific direction has long been recognized as a crucial technique for enhancing the precision of quantum metrology by reducing parameter uncertai…
Simultaneous Measurement of Multiple Incompatible Observables and Tradeoff in Multiparameter Quantum Estimation
Hongzhen Chen, Lingna Wang, Haidong Yuan
How well can multiple incompatible observables be implemented by a single measurement? This is a fundamental problem in quantum mechanics with wide implications for the performance…
Optimal Scheme for Quantum Metrology
Jing Liu, Mao Zhang, Hongzhen Chen +2
Quantum metrology can achieve far better precision than classical metrology, and is one of the most important applications of quantum technologies in the real world. To attain the…
Generalizable control for multiparameter quantum metrology
Han Xu, Lingna Wang, Haidong Yuan +1
Quantum control can be employed in quantum metrology to improve the precision limit for the estimation of unknown parameters. The optimal control, however, typically depends on the…