Metasurfaces toward optical manipulation technologies for quantum precision measurement

Y Xu, X Su, Z Chai, J Li - Laser & Photonics Reviews, 2024 - Wiley Online Library
Metasurface‐based optical field manipulation has significantly broadened the application
range of micro‐optical components and integrated optics, gradually replacing bulky and …

Sequential-measurement thermometry with quantum many-body probes

Y Yang, V Montenegro, A Bayat - Physical Review Applied, 2024 - APS
Measuring the temperature of a quantum system is an essential task in almost all aspects of
quantum technologies. Theoretically, an optimal strategy for thermometry often requires …

Monitoring variations of refractive index via Hilbert–Schmidt speed and applying this phenomenon to improve quantum metrology

SM Hosseiny, HR Jahromi… - Journal of Physics B …, 2023 - iopscience.iop.org
In this paper, we investigate the role of the nonlinear response of a material to improve
quantum metrology. We show that the collective optical behavior of an atomic ensemble can …

Coherence-enhanced single-qubit thermometry out of equilibrium

G Frazão, M Pezzutto, Y Omar, E Zambrini Cruzeiro… - Entropy, 2024 - mdpi.com
The metrological limits of thermometry operated in nonequilibrium dynamical regimes are
analyzed. We consider a finite-dimensional quantum system, employed as a quantum …

Machine-learning-inspired quantum control in many-body dynamics

MY Mao, Z Cheng, L Li, N Wu, WL You - Physical Review A, 2024 - APS
Achieving precise preparation of quantum many-body states is crucial for the practical
implementation of quantum computation and quantum simulation. However, the inherent …

Sample Complexity of Black Box Work Extraction

S Chakraborty, S Das, A Ghorui, S Hazra… - arXiv preprint arXiv …, 2024 - arxiv.org
Extracting work from a physical system is one of the cornerstones of quantum
thermodynamics. The extractable work, as quantified by ergotropy, necessitates a complete …

Assessing small accelerations using a bosonic Josephson junction

R Roy, OE Alon - arXiv preprint arXiv:2409.20203, 2024 - arxiv.org
Bosonic Josephson junctions provide a versatile platform for exploring quantum tunneling
and coherence phenomena in ultracold atomic systems. While extensive research has …

Two-stroke thermal machine using spin squeezing operation

CHS Vieira, JFG Santos - arXiv preprint arXiv:2402.00852, 2024 - arxiv.org
Quantum thermal machines are powerful platforms to investigate how quantum effects
impact the energy flow between different systems. We here investigate a two-stroke cycle in …

Optimally Fast Qubit Reset

Y Liu, C Huang, X Zhang, D He - arXiv preprint arXiv:2412.04883, 2024 - arxiv.org
In practice, qubit reset must be operated in an extremely short time, which incurs a
thermodynamic cost within multiple orders of magnitude above the Landauer bound. We …

Quantum thermodynamic derivation of the energy resolution limit in magnetometry

IK Kominis - arXiv preprint arXiv:2405.14687, 2024 - arxiv.org
It was recently demonstrated that a large number of magnetic sensing technologies satisfy
the energy resolution limit, which connects a quantity composed by the variance of the …