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<p>In this work, the magnon–photon hybridization in a technologically simple system based on an yttrium iron garnet film and a microwave resonator integrated into a microstrip line is numerically simulated for the first time using the ANSYS HFSS package. A characteristic splitting of the resonant frequencies (anticrossing) is demonstrated, indicating the implementation of a strong coupling between magnon and photon modes. A&#xa0;relative frequency splitting on the order of 0.06 is obtained. Furthermore, the influence of the spatial position of the yttrium iron garnet resonator on the parameters of hybrid states is studied, and the possibility of controlling the hybridization frequency by adjusting the resonator parameters is demonstrated. The results show the feasibility of implementing a strong magnon–photon coupling in a simple and easily reproducible microstrip structure and can be used in the design of sensors, tunable microwave filters, and elements of hybrid magnon or quantum systems.</p>

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Magnon–Photon Mode Hybridization in an Electromagnetic Resonator/Ferromagnetic Film Structure

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • K. D. Samoilenko,
  • D. A. Gabrielyan,
  • A. R. Safin,
  • S. A. Nikitov

摘要

In this work, the magnon–photon hybridization in a technologically simple system based on an yttrium iron garnet film and a microwave resonator integrated into a microstrip line is numerically simulated for the first time using the ANSYS HFSS package. A characteristic splitting of the resonant frequencies (anticrossing) is demonstrated, indicating the implementation of a strong coupling between magnon and photon modes. A relative frequency splitting on the order of 0.06 is obtained. Furthermore, the influence of the spatial position of the yttrium iron garnet resonator on the parameters of hybrid states is studied, and the possibility of controlling the hybridization frequency by adjusting the resonator parameters is demonstrated. The results show the feasibility of implementing a strong magnon–photon coupling in a simple and easily reproducible microstrip structure and can be used in the design of sensors, tunable microwave filters, and elements of hybrid magnon or quantum systems.