Dynamical Backaction Evading Magnomechanics
arXiv:2211.13766 · doi:10.1103/PhysRevB.107.L140405
Abstract
The interaction between magnons and mechanical vibrations dynamically modify the properties of the mechanical oscillator, such as its frequency and decay rate. Known as dynamical backaction, this effect is the basis for many theoretical protocols, such as entanglement generation or mechanical ground-state cooling. However, dynamical backaction is also detrimental for specific applications. Here, we demonstrate the implementation of a cavity magnomechanical measurement that fully evades dynamical backaction effects. Through careful engineering, the magnomechanical scattering rate into the hybrid magnon-photon modes can be precisely matched, eliminating dynamical backaction damping. Backaction evasion is confirmed via the measurement of a drive-power-independent mechanical linewidth.
6 pages, 5 figures
References in corpus (14)
- Sideband Cooling Micromechanical Motion to the Quantum Ground State
- Strongly coupled magnons and cavity microwave photons
- Hybrid quantum systems based on magnonics
- Observation of Radiation Pressure Shot Noise on a Macroscopic Object
- Back-action evasion and squeezing of a mechanical resonator using a cavity detector
- Sideband Cooling Beyond the Quantum Limit with Squeezed Light
- Mechanical Bistability in Kerr-modified Cavity Magnomechanics
- Magnon-phonon interactions in magnetic insulators
- Quantum back-action evading measurement of collective mechanical modes
- Magnon squeezing enhanced ground-state cooling in cavity magnomechanics
- Cavity magnomechanical storage and retrieval of quantum states
- Strong magnon-photon coupling within a tunable cryogenic microwave cavity
- Magnomechanical backaction corrections due to coupling to higher order Walker modes and Kerr nonlinearities
- Magnon squeezing enhanced entanglement in a cavity magnomechanical system
Cited by in corpus (10)
- Cavity magnomechanics: from classical to quantum
- Magnomechanical backaction corrections due to coupling to higher order Walker modes and Kerr nonlinearities
- Enhancing Weak magnetic field sensing of cavity-magnon system with dual frequency modulation
- Cavity magnomechanical coupling with coupled magnon modes in a synthetic antiferromagnet
- High-performance magnetostatic wave resonators through deep anisotropic etching of GGG substrates
- Strong Intrinsic Longitudinal Coupling in Circuit Quantum Electrodynamics
- Magnon-microwave backaction noise evasion in cavity magnomechanics
- Classical and quantum theory of magnonic and magnetoelastic nonlinear dynamics in continuum geometries
- Photonic crystal cavities based on suspended yttrium iron garnet nanobeams
- Cryogenic Magnomechanics for Thermometry Applications