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The gyrotropic metamaterial structure includes chiral metamaterials, configured to form pairs of dipole structures. Lumped circuits with antennas are placed between the dipoles to change the polarization states of an incident polarized wave. This is done by producing Faraday-like rotation allowing for nonreciprocal propagation of the incident polarized wave. The lumped circuits comprise a structure that amplifies the power received by the incident polarized wave. In this way, the device uses metamaterials of “global” properties that display novel behavior for electromagnetic radiation of wavelengths longer than the size of each meta-material element, and the size of the spacing between the elements. This gyromagnetic power amplification is scalable to other wavelengths, and grants the opportunity to synthesize exotic electromagnetic materials.