Method of enhancing second-harmonic generation of antiferromagnetic film

摘要: We present a method to increase the second-harmonic generation (SHG) by an antiferromagnetic (AF) film for fixed input power. This is put between two different dielectrics, and obliquely incident electromagnetic wave used generate (SH) waves. can be considered as extension previous work Lim [J. Opt. Soc. Am. B19, 1401 (2002)] in which single AF normally light were used. find that SH outputs depend sensitively on angle dielectric constants of dielectrics. The numerical calculations based three examples containing MnF2 show are raised few hundred times film.