Remote sensing of a levitated superconductor with a flux-tunable microwave cavity

P Schmidt, R Claessen, G Higgins, J Hofer… - Physical Review …, 2024 - APS
We present a cavity-electromechanical system comprising a superconducting quantum
interference device which is embedded in a microwave resonator and coupled via a pickup …

Quantum weak force sensing with squeezed magnomechanics

Q Zhang, J Wang, TX Lu, R Huang, F Nori… - Science China Physics …, 2024 - Springer
Cavity magnomechanics, exhibiting remarkable experimental tunability, rich magnonic
nonlinearities, and compatibility with various quantum systems, has witnessed considerable …

Superconducting microsphere magnetically levitated in an anharmonic potential with integrated magnetic readout

M Gutierrez Latorre, G Higgins, A Paradkar, T Bauch… - Physical Review …, 2023 - APS
Magnetically levitated superconducting microparticles offer a promising path to quantum
experiments with picogram to microgram objects. In this work, we levitate a 700 ng∼ 10 17 …

Magnomechanical backaction corrections due to coupling to higher-order Walker modes and Kerr nonlinearities

V Bittencourt, CA Potts, Y Huang, JP Davis… - Physical Review B, 2023 - APS
The radiation pressurelike coupling between magnons and phonons in magnets can modify
the phonon frequency (magnomechanical spring effect) and decay rate (magnomechanical …

Single-photon induced instabilities in a cavity electromechanical device

T Bera, M Kandpal, GS Agarwal, V Singh - Nature Communications, 2024 - nature.com
Cavity-electromechanical systems are extensively used for sensing and controlling the
vibrations of mechanical resonators down to their quantum limit. The nonlinear radiation …

Kerr nonlinearity induced nonreciprocity in dissipatively coupled resonators

Q Miao, GS Agarwal - Physical Review Research, 2024 - APS
Nonlinearity-induced nonreciprocity is studied in a system comprising two resonators
coupled to a one-dimensional waveguide when the linear system does not exhibit …

Cavity optomechanical bistability with an ultrahigh reflectivity photonic crystal membrane

F Zhou, Y Bao, JJ Gorman… - Laser & Photonics …, 2023 - Wiley Online Library
Photonic crystal (PhC) membranes patterned with sub‐wavelength periods offer a unique
combination of high reflectivity, low mass, and high mechanical quality factor. Using a PhC …

Quasibound states in the continuum in photonic crystal based optomechanical microcavities

C Péralle, SK Manjeshwar, A Ciers, W Wieczorek… - Physical Review B, 2024 - APS
We present a detailed study of mechanically compliant, photonic crystal based microcavities
featuring a quasibound state in the continuum. Such systems were recently predicted to …

Coherent feedback ground state cooling of the mechanical resonator in quadratic optomechanical system assisted by an atomic ensemble

R Chang, S Zhang - Optics Express, 2024 - opg.optica.org
We propose a scheme for cooling a mechanical resonator to its ground state in a quadratic
optomechanical system, assisted by an atomic ensemble in the unresolved sideband …

A macroscopic oscillator goes and stays quantum

A Metelmann - Nature Physics, 2023 - nature.com
A macroscopic oscillator goes and stays quantum | Nature Physics Skip to main content Thank
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