Dynamical backaction magnomechanics and its evasion

Y. Huang; C. A. Potts; J. P. Davis

doi:10.1117/12.2677558

28 September 2023 Dynamical backaction magnomechanics and its evasion

Y. Huang, C. A. Potts, J. P. Davis

Proceedings Volume 12656, Spintronics XVI; 126560D (2023) https://doi.org/10.1117/12.2677558
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

The interaction between magnons and mechanical vibrations dynamically modify a mechanical oscillator’s properties such as its frequency and decay rate. Such modifications are known as dynamical backaction. It provides a versatile tool for manipulating mechanical vibrations. For example, dynamical backaction is used in cooling a mechanical resonator to its ground state, in driving phonon lasing, and in the generation of entangled states, among other things. However, dynamical backaction is also detrimental for specific applications. In this article, we directly observe the impact of magnon-induced dynamical backaction on a spherical magnetic sample’s mechanical vibrations and demonstrate the implementation of a cavity magnomechanical measurement that fully evades dynamical backaction effects.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Y. Huang, C. A. Potts, and J. P. Davis "Dynamical backaction magnomechanics and its evasion", Proc. SPIE 12656, Spintronics XVI, 126560D (28 September 2023); https://doi.org/10.1117/12.2677558

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