Abstract
It is established that, when microwaves propagate in a structure comprising a ferrite plate and a grating of conducting resonant elements (situated on or close to the plate), the nonreciprocal wave transmission is accompanied by a nonreciprocal splitting of the microwave resonance at the grating frequency and by an expansion of the resonance bandwidth upon application of a constant magnetic field with a magnitude about one order smaller than that of the field exciting the ferromagnetic resonance (FMR). The sign of the nonreciprocity changes when the ferrite is arranged on the opposite side of the grating and/or when the applied constant magnetic field reaches a level at which the difference between the FMR and the grating resonance frequencies changes sign.
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Original Russian Text © V.S. Butylkin, G.A. Kraftmakher, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 9, pp. 15–24.
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Butylkin, V.S., Kraftmakher, G.A. Nonreciprocal transmission spectrum of a ferrite plate-resonant element grating metasandwich with split resonance. Tech. Phys. Lett. 35, 397–400 (2009). https://doi.org/10.1134/S1063785009050034
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DOI: https://doi.org/10.1134/S1063785009050034