18 citations · 54 across the 10 of their papers we have counts for
10 papers
Adaptive cold-atom magnetometry mitigating the trade-off between sensitivity and dynamic range
Zhu Ma, Chengyin Han, Zhi Tan +7
Cold-atom magnetometers can achieve an exceptional combination of superior sensitivity and high spatial resolution. One key challenge these quantum sensors face is improving the se…
Credible-interval-based adaptive Bayesian quantum frequency estimation for entanglement-enhanced atomic clocks
Jungeng Zhou, Jiahao Huang, Jinye Wei +2
Entanglement-enhanced quantum sensors encounter a fundamental trade-off: while entanglement improves precision to the Heisenberg limit, it restricts dynamic range. To address this…
Image enhancement algorithm for absorption imaging
Pengcheng Zheng, Songqian Zhang, Zhu Ma +7
The noise in absorption imaging of cold atoms significantly impacts measurement accuracy across a range of applications with ultracold atoms. It is crucial to adopt an approach tha…
Atomic clock locking with Bayesian quantum parameter estimation: scheme and experiment
Chengyin Han, Zhu Ma, Yuxiang Qiu +7
Atomic clocks are crucial for science and technology, but their sensitivity is often restricted by the standard quantum limit. To surpass this limit, correlations between particles…
Ramsey interferometry with arbitrary coherent-population-trapping pulse sequence
Ruihuan Fang, Chengyin Han, Bo Lu +2
Coherent population trapping (CPT) is a multi-level quantum coherence phenomenon of promising applications in atomic clocks and magnetometers. Particularly, multi-pulse CPT-Ramsey…
Bayesian optimization of Bose-Einstein condensation via evaporative cooling model
Jihao Ma, Ruihuan Fang, Chengyin Han +8
To achieve Bose-Einstein condensation, one may implement evaporative cooling by dynamically regulating the power of laser beams forming the optical dipole trap. We propose and expe…
Quantum Double Lock-in Amplifier
Sijie Chen, Min Zhuang, Ruihuang Fang +5
Quantum lock-in amplifier aims to extract an alternating signal within strong noise background by using quantum strategy. However, as the target signal usually has an unknown initi…
Universal dynamics of superradiant phase transition in the anisotropic quantum Rabi model
Xunda Jiang, Bo Lu, Chengyin Han +5
We investigate the universally non-equilibrium dynamics of superradiant phase transition in the anisotropic quantum Rabi model. By introducing position and momentum operators, we o…
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…
Adaptive Bayesian algorithm for achieving desired quantum transition
Chengyin Han, Jiahao Huang, Xunda Jiang +4
Bayesian methods which utilize Bayes' theorem to update the knowledge of desired parameters after each measurement, are used in a wide range of quantum science. For various applica…