Quantum-enhanced metrology in cavity magnonics

QK Wan, HL Shi, XW Guan - Physical Review B, 2024 - APS
Magnons, as fundamental quasiparticles that emerge in elementary spin excitations, hold a
big promise for innovating quantum technologies in information coding and processing. By …

Magnon-magnon entanglement and its quantification via a microwave cavity

V Azimi Mousolou, Y Liu, A Bergman, A Delin… - Physical Review B, 2021 - APS
Quantum magnonics is an emerging research field, with great potential for applications in
magnon based hybrid systems and quantum information processing. Quantum correlation …

Proposed robust entanglement-based magnetic field sensor beyond the standard quantum limit

T Tanaka, P Knott, Y Matsuzaki, S Dooley… - Physical review …, 2015 - APS
Recently, there have been significant developments in entanglement-based quantum
metrology. However, entanglement is fragile against experimental imperfections, and …

[HTML][HTML] Quantum magnonics: When magnon spintronics meets quantum information science

HY Yuan, Y Cao, A Kamra, RA Duine, P Yan - Physics Reports, 2022 - Elsevier
Spintronics and quantum information science are two promising candidates for innovating
information processing technologies. The combination of these two fields enables us to build …

Improved quantum magnetometry beyond the standard quantum limit

JB Brask, R Chaves, J Kołodyński - Physical Review X, 2015 - APS
Under ideal conditions, quantum metrology promises a precision gain over classical
techniques scaling quadratically with the number of probe particles. At the same time, no-go …

Quantum Magnetometer with Dual‐Coupling Optomechanics

GL Zhu, J Liu, Y Wu, XY Lü - Laser & Photonics Reviews, 2022 - Wiley Online Library
An experimentally feasible magnetometer based on a dual‐coupling optomechanical
system is proposed, where the radiation‐pressure coupling transduces the magnetic signal …

Stationary quantum entanglement and steering between two distant macromagnets

J Xie, H Yuan, S Ma, S Gao, F Li… - Quantum Science and …, 2023 - iopscience.iop.org
Generating and manipulating magnon quantum states for quantum information processing is
a central topic in quantum magnonics. The conventional strategy amplifies the nonlinear …

Resources of nonlinear cavity magnonics for quantum information

M Elyasi, YM Blanter, GEW Bauer - Physical Review B, 2020 - APS
We theoretically explore nonlinearities of ferromagnets in microwave cavities in the classical
and quantum regimes and assess the resources for quantum information, ie, fluctuation …

Magnon heralding in cavity optomagnonics

VASV Bittencourt, V Feulner, SV Kusminskiy - Physical Review A, 2019 - APS
In the emerging field of cavity optomagnonics, photons are coupled coherently to magnons
in solid-state systems. These new systems are promising for implementing hybrid quantum …

Entanglement-enhanced sensing using a chain of qubits with always-on nearest-neighbor interactions

A Yoshinaga, M Tatsuta, Y Matsuzaki - Physical Review A, 2021 - APS
Quantum metrology is the use of genuinely quantum properties such as entanglement as a
resource to outperform classical sensing strategies. Typically, entanglement is created by …