8 papers
Entanglement-enhanced quantum metrology via alternating in-phase and quadrature modulation
Jihao Ma, Jiahao Huang, Chaohong Lee
Quantum metrology harnesses quantum entanglement to improve measurement precision beyond standard quantum limit. Although nonlinear interaction is essential for generating entangle…
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…
Practical robust Bayesian spin-squeezing-enhanced quantum sensing under noises
Jinye Wei, Jungeng Zhou, Yi Shen +2
Spin-squeezed states constitute a valuable entanglement resource capable of surpassing the standard quantum limit (SQL). However, spin-squeezed states only enable sub-SQL uncertain…
Symmetry-protected many-body Ramsey spectroscopy: precision scaling and robustness
Sijie Chen, Jiahao Huang, Min Zhuang +1
Quantum entanglement is a powerful quantum resource for enhancing measurement precision beyond classical limit. % Here we propose an entanglement-enhanced symmetry-protected destru…
Ramsey Spectroscopy via Symmetry-Protected Destructive Many-Body Interferometry
Sijie Chen, Jiahao Huang, Min Zhuang +1
Ramsey spectroscopy, a fundamental tool in both basic science and practical applications, is inevitably subject to several detrimental effects. % Here we propose a symmetry-protect…
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…