Abstract
Results are presented from micromagnetic modeling of the magnetic structure on the surface of a yttrium iron garnet film with a region of altered saturation magnetization created by focused laser radiation. Plotted frequency responses of signal transmission through the magnon structure with a heated region show that modes of spin-wave signal filtering can be obtained by changing the diameter of the heated region on the surface of yttrium iron garnet.
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This work was supported by the Russian Foundation for Basic Research, project no. 20-37-90020.
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Translated by E. Bondareva
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Gubanov, V.A., Kruglyak, V.V. & Sadovnikov, A.V. Controlling the Modes of Spin Wave Propagation in an Yttrium Iron Garnet Waveguide by Local Laser Heating. Bull. Russ. Acad. Sci. Phys. 87, 362–366 (2023). https://doi.org/10.3103/S1062873822701246
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DOI: https://doi.org/10.3103/S1062873822701246