Magnetic second-harmonic generation of an antiferromagnetic film

Abstract

Second-harmonic generation of an antiferromagnetic film in Voigt geometry is calculated and analyzed. This calculation is carried out with an assumption of weak nonlinearity in a two-sublattice antiferromagnetic system. Second-harmonic waves are analyzed by the conventional approach of ordinary nonlinear optics.

Nonlinear Propagation of ElectromagneticWaves in Antiferromagnet

“…It is because that a plane EMW of incidence can be decomposed into two waves, or a TE wave with the electric field normal to the incident plane and a TM wave with the magnetic field transverse to this plane. Due to no coupling between magnetic moments in the film and the TM wave (Lim, 2002(Lim, , 2006Wang & Li, 2005;Bai, et. al., 2007), the incident TM wave does not excite the linear and SH magnetizations, so can be ignored.…”

“…Many investigations have been carried out on nonlinear guided and surface waves (Wang & Awai,1998;Almeida & Mills, 1987;Kahn, et. al., 1988;Wright & Stegeman, 1992;Boardman & Egan,1986), second-harmonic generation (Lim, 2002(Lim, , 2006Fiebig et. al, 1994Fiebig et.…”

Second harmonic generation of magnetic and dielectric multilayers

“…In this paper, the study is focused on the generation of second harmonic waves from antiferromagnetic/dielectric multilayers induced by incident intense far infrared electromagnetic field. This is an extension of the previous calculation on the generation of second harmonic waves from a simple uniaxial two-sublattice antiferromagnetic film (FeF 2 ) with weak nonlinearity [13,14], within the conventional methods of nonlinear optics [15,16]. In this paper, the approach being used in the analysis of linear and second harmonic transmission and reflection of antiferromagnetic/dielectric (FeF 2 /ZnF 2 ) multilayers is entirely based on conventional nonlinear optics and the transfer matrix technique [1,14].…”

Analytical Study of TM-Polarized Surface Plasmon Polaritons in Nonlinear Multi-Layer Graphene-Based Waveguides

“…It should be noted that nonlinear magnetic materials such as FeF2 and MnF2 exhibit interesting properties that can enhance the performance of THz devices [27][28][29][30][31]. To the authors' knowledge, no published work has been reported on the analytical study of nonlinear multilayer graphene-based structures with nonlinear magnetic materials.…”