Explosive growth of bistability in a cavity magnonic system
Abstract
We conduct a theoretical investigation into explosive growth of bistability in a cavity magnonic system incorporating magnetic nonlinearity. In this system, the coupling between the magnon and photon generates the cavity magnon polaritons. When driving the photon-like polariton mode, the bistability can undergo a sudden transition with the increase of the driving power, resulting in an explosive growth of the bistable region by several times. Conversely, driving the magnon-like polariton mode only gives rise to normal bistability. This depends on whether the minimum driving power required to generate the bistability is non-monotonic with respect to the driving frequency. In addition, despite driving only the photon-like polariton mode, the photon- and magnon-like polariton modes can show simultaneous explosive growth of the bistability in microwave transmission, owing to the light-matter interaction. Our research sheds light on the hidden side of the nonlinear cavity magnonic system and provides a potential application for cavity spintronic devices founded on this novel feature.
Cite
@article{arxiv.2505.07605,
title = {Explosive growth of bistability in a cavity magnonic system},
author = {Meng-Xia Bi and Huawei Fan and Wenting Wu and Jing-Jing He and Ming-Liang Hu and Xiao-Hong Yan},
journal= {arXiv preprint arXiv:2505.07605},
year = {2025}
}
Comments
11 pages, 8 figures