3 papers
quant-ph2021
Heisenberg-limited Frequency Estimation via Driving through Quantum Phase Transitions
Min Zhuang, Hongtao Huo, Yuxiang Qiu +3
High-precision frequency estimation is an ubiquitous issue in fundamental physics and a critical task in spectroscopy. Here, we propose a quantum Ramsey interferometry to realize h…
quant-ph2021
Bayesian Phase Estimation via Active Learning
Yuxiang Qiu, Min Zhuang, Jiahao Huang +1
Bayesian estimation approaches, which are capable of combining the information of experimental data from different likelihood functions to achieve high precisions, have been widely…
quant-ph2020
Temporal Spinwave Fabry-Perot Interferometry via Coherent Population Trapping
Ruihuan Fang, Chengyin Han, Xunda Jiang +6
Ramsey spectroscopy via coherent population trapping (CPT) is essential in precision measurements. The conventional CPT-Ramsey fringes contain numbers of almost identical oscillati…