Second harmonic generation in anisotropic magnetic films

Second-harmonic generation in graded metallic films.

We study the effective second-harmonic generation (SHG) susceptibility in graded metallic films by invoking the local field effects exactly and further numerically demonstrate that graded metallic films can serve as a novel optical material for producing a broad structure in both the linear and the SHG response and an enhancement in the SHG signal.

Second-harmonic generation in graded metal–dielectric films of anisotropic particles

We investigate theoretically the effective second-harmonic generation (SHG) susceptibility in graded films of metal–dielectric random composites with anisotropically shaped particles by invoking the local field effects. Using numerical examples, we demonstrate that in the presence of gradation profiles and/or shape effects, graded metal–dielectric films could be used as novel optical materials ...

Anisotropic magnetization-induced second harmonic generation in FeÕAu superlattices

Second-harmonic generation with magnetic-field controllability.

Based on density functional theory with the generalized gradient approximation plus on-site Coulomb repulsion method, we study the magnetic-ordering dependence of second-harmonic generation (SHG) in a polar magnet BiCoO(3). The large second-order optical susceptibility, which can reach 3.7x10(-7) esu, exhibits a strong magnetic-ordering dependence, giving rise to magnetic-field controllable SHG...

Metamaterials Second - Harmonic Generation from Magnetic

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