Explosive growth of bistability in a cavity magnonic system

• URL: http://arxiv.org/abs/2505.07605v1
• Date: Mon, 12 May 2025 14:27:44 GMT
• Title: Explosive growth of bistability in a cavity magnonic system
• Authors: Meng-Xia Bi, Huawei Fan, Wenting Wu, Jing-Jing He, Ming-Liang Hu, Xiao-Hong Yan,
• Abstract summary: We study explosive growth of bistability in a cavity magnonic system incorporating magnetic nonlinearity.<n>Our research sheds light on the hidden side of the nonlinear cavity magnonic system and provides a potential application for cavity spintronic devices.
• Score: 1.396406461086233
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• 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.

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