Enhancing the sensitivity of atom-interferometric inertial sensors using robust control

JC Saywell, MS Carey, PS Light, SS Szigeti… - Nature …, 2023 - nature.com
Atom-interferometric quantum sensors could revolutionize navigation, civil engineering, and
Earth observation. However, operation in real-world environments is challenging due to …

Quantum metrology and its applications in civil engineering

J Liu, W Zhang, S Cheng - Measurement, 2024 - Elsevier
Quantum metrology, including quantum sensing and imaging, offers significant advantages
over classical methods in terms of sensitivity and accuracy. This paper presents its potential …

Dual Open Atom Interferometry for Compact and Mobile Quantum Sensing

Y Ben-Aïcha, Z Mehdi, C Freier, SS Szigeti… - Physical Review Letters, 2024 - APS
We demonstrate an atom interferometer measurement protocol compatible with operation on
a dynamic platform. Our method employs two open interferometers, derived from the same …

Design and Implementation of an Integrated Array Accelerometer with Expanded Dynamic Range Based on Adaptive Data Selection Fusion

Q Wu, Z Yu, X Zhang, J Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A single accelerometer with limited performance often struggles to meet the increasingly
complex demands of vibration measurement. Complementarity among various …

Effects of Systematic Error on Quantum-Enhanced Atom Interferometry

J Goldsmith, J Hope, S Haine - arxiv preprint arxiv:2410.00341, 2024 - arxiv.org
We develop a framework for describing the effects of systematic state preparation error in
quantum-enhanced atom interferometry on sensing performance. We do this in the context …

Reference Accelerometers Compensation Method for Calibrating the Odd-quadratic Coefficient of PIGA in Centrifuge

L Yikang, R Shunqing, D Xueming… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Accurate calibration of the intrinsic odd-quadratic coefficient of pendulous integrating
gyroscopic accelerometer (PIGA) is of significant importance in high-overload applications …

[PDF][PDF] A Low-noise MEMS Seismograph Based on Symmetric Buckling Beams

L Che, W Wang, Z Ding, B Hou, Y Zhu - 2024 - assets-eu.researchsquare.com
MEMS seismographs are able to achieve lower noise performance by increasing the mass,
reducing the resonant frequency, and increasing the quality factor (Q), which allows they can …