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Modeling of a Nonlinear Hybrid Plasmonic Waveguide for Enhanced Surface Plasmon Polaritons Through Optical Parametric Amplification

D. Wang1 T. Li1 S. Wang1 S. Zhu1
1Nanjing University, Nanjing, Jiangsu, China

Electromagnetic waves localized at the surface of a metal.

Surface Plasmon Polaritions (SPPs), as electromagnetic waves localized at the surface of a metal, enjoy the unique properties to confine energy into sub-wavelength scale, which is beneficial for future photonic integration. However, the severe absorption caused by the metal influences the propagation distance greatly. Actually, SPPs loss can be compensated by optical parametric amplification in a nonlinear medium, the propagation loss and conversion efficiency can be improved as well. In this paper, the effective indexes and field distribution of a strip-loaded guide is simulated numerically with the help of COMSOL, the coupling coefficient between FF and SH waves is derived ans used in the quasi-phase-matching process.

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