Optimal and variational multiparameter quantum metrology and vector-field sensing

R Kaubruegger, A Shankar, DV Vasilyev, P Zoller - PRX Quantum, 2023 - APS
We study multiparameter sensing of two-dimensional (2D) and three-dimensional (3D)
vector fields within the Bayesian framework for SU (2) quantum interferometry. We establish …

Atomic compass: detecting 3D magnetic field alignment with vector vortex light

F Castellucci, TW Clark, A Selyem, J Wang… - Physical Review Letters, 2021 - APS
We describe and demonstrate how 3D magnetic field alignment can be inferred from single
absorption images of an atomic cloud. While optically pumped magnetometers …

Optimal generators for quantum sensing

JT Reilly, JD Wilson, SB Jäger, C Wilson, MJ Holland - Physical Review Letters, 2023 - APS
We propose a computationally efficient method to derive the unitary evolution that a
quantum state is most sensitive to. This allows one to determine the optimal use of an …

Machine learning assisted vector atomic magnetometry

X Meng, Y Zhang, X Zhang, S Jin, T Wang… - Nature …, 2023 - nature.com
Multiparameter sensing such as vector magnetometry often involves complex setups due to
various external fields needed in explicitly connecting one measured signal to one …

Trade-offs between unitary and measurement induced spin squeezing in cavity QED

D Barberena, A Chu, JK Thompson, AM Rey - Physical Review Research, 2024 - APS
We study the combined effects of measurements and unitary evolution on the preparation of
spin squeezing in an ensemble of atoms interacting with a single electromagnetic field mode …

Microwave field uniformity impact on DC magnetic sensing with NV ensembles in diamond

N Zhang, H Yuan, C Zhang, L Xu, J Zhang… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
Magnetic sensing based on nitrogen-vacancy (NV) center ensembles provides unique
signal-to-noise ratio and sensitivity for physical and biological measurements at room …

Nitrogen-vacancy axis orientation measurement in diamond micro-crystal for tunable RF vectorial field sensing

GB Chen, WH He, MM Dong, Y Zhao… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
Precision physical quantity of sensing using ensembles of nitrogen vacancy (NV) centers in
diamond has attracted wide interest in recent years. A widely studied prototype is a micron …

Coherence of Rabi oscillations with spin exchange

C Kiehl, D Wagner, TW Hsu, S Knappe, CA Regal… - Physical Review …, 2023 - APS
Rabi measurements in atomic vapor cells are of current interest in a range of microwave
imaging and sensing experiments, but are increasingly in a parameter space outside of …

Studi Termodinamika Transpor Ionik Natrium Klorida Dalam Air dan Campuran Tertentu

R Hidayati, R Zainul - 2019 - osf.io
Natrium klorida dikenal dengan garam dapur. Senyawa ini memiliki rumus NaCl dan larut
dalam air. Natrium klorida merupakan senyawa yang berwujud padat bentuk kristal dan …

Magnetically induced depolarization of microwave scattering from a laser-generated plasma

CA Galea, MN Shneider, A Dogariu, RB Miles - Physical Review Applied, 2019 - APS
The effects of a local external magnetic field on microwave scattering from a laser-generated
plasma are investigated by modeling and experiment, leading to the prediction and …