Nonreciprocal propagation of hybrid electromagnetic waves in a layered ferrite-ferroelectric structure with a finite width

Effects of the nonreciprocal propagation of electromagnetic waves in a transversally limited ferrite-ferroelectric structure with a finite width and tangential magnetization have been considered. Nonreciprocal effects are manifested in the range of frequencies corresponding to the hybridization of electromagnetic waves of the ferrite and ferroelectric waveguides. The electrodynamic characteristics of waves propagating in the layered structure with a finite width in different directions have been calculated by the finite element method. The nonreciprocity factors have been calculated for transverse waveguide modes. It has been shown that nonreciprocity owing to the gyrotropy of the ferrite waveguide leads to a change in the spatial distribution of the components of electromagnetic fields in the layered structure and to the redistribution of the power transferred by an electromagnetic wave between the layers of the structure. The results obtained can be used to create nonreciprocal microwave microdevices with double control.