Controlling the Modes of Spin Wave Propagation in an Yttrium Iron Garnet Waveguide by Local Laser Heating
Bulletin of the Russian Academy of Sciences Physics(2023)
Saratov State University
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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Yttrium Iron Garnet
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