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physics.optics2025
Magnetic Permeability Time-varying Metamaterials at Microwave Frequencies
Toshiyuki Kodama, Nobuaki Kikuchi, Takahiro Chiba +3
We demonstrate magnetic permeability time-varying metamaterials at GHz frequencies using ferromagnetic permalloy (Ni80Fe20; Py). We observe frequency up and down conversion of 4 GH…
physics.optics2025
Microwave One-way Transparency by Large Synthetic Motion of Magnetochiral Polaritons in Metamolecules
Kentaro Mita, Toshiyuki Kodama, Toshihiro Nakanishi +4
We observe microwave nonreciprocal one-way transparency via ultrastrongly-coupled magnetochiral polaritons (MChPs) in a metamolecule at room temperature. The experimental results u…