activity
20182025
most citedAchieving Heisenberg-limited metrology with spin cat states via interaction-based readout

51 citations · 114 across the 12 of their papers we have counts for

collaborators

12 papers

quant-ph2025★ 18 cited

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…

quant-ph2024

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…

cond-mat.quant-gas2023

Domain formation and universally critical dynamics through phase separation in two-component Bose-Einstein condensates

Yikai Ji, Xizhou Qin, Bin Liu +4

We explore the defect formation and universally critical dynamics in two-dimensional (2D) two-component Bose-Einstein condensates(BECs) subjected to two types of potential traps: a…

quant-ph2023★ 12 cited

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…

physics.atom-ph2023★ 7 cited

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…

physics.atom-ph2023★ 3 cited

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…