Abstract

A more than hundredfold increase in the nonreciprocity of electromagnetic wave transmission in a waveguide containing a transversely magnetized ferrite plate has been observed upon the introduction of a grating of bianisotropic elements. This effect takes place at a certain magnitude of a constant magnetic field, under the conditions of mutual influence of ferromagnetic and chiral resonances. In an evanescent regime, the non-reciprocity exhibits a severalfold increase. The effect depends on the mode of excitation of the chiral resonance, being observed in the case of excitation by a magnetic component of the microwave field.

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