24 citations · 24 across the 1 of their papers we have counts for
3 papers
quant-ph2020
Fluctuation-enhanced quantum metrology
Yu Chen, Hongzhen Chen, Jing Liu +2
The main obstacle for practical quantum technology is the noise, which can induce the decoherence and destroy the potential quantum advantages. The fluctuation of a field, which in…
quant-ph2020
Ultimate precision of multi-parameter quantum magnetometry under the parallel scheme
Zhibo Hou, Hongzhen Chen, Liqiang Liu +5
The precise measurement of a magnetic field is one of the most fundamental and important tasks in quantum metrology. Although extensive studies on quantum magnetometry have been ca…
quant-ph2019★ 24 cited
Optimal joint estimation of multiple Rabi frequencies
Hongzhen Chen, Haidong Yuan
We study the joint estimation of multiple Rabi frequencies in a multilevel system. By analytically identifying the optimal probe state and the optimal measurement, we obtain the hi…