Sum-Frequency Generation of Antiferromagnetic Sandwich Structure

Abstract

We present the sum-frequency (SF) generation of antiferromagnetic sandwich structure NM/AF/NM in the THz frequency field. In the geometry with the anisotropy axis parallel to the film surface and normal to the plane, using TE wave obliquely incident upon the film, we find that SF outputs is sensitively affected by the incident angle and the incident frequencies.