Nonlinear electromagnetic response of corrugated metallic gratings

We describe a theoretical formalism to study the second-harmonic generation in periodically corrugated surfaces illuminated by a plane wave. The incident wave vector is contained in the plane perpendicular to the grating grooves. Our analysis is based on the most general expression for the nonlinear...

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Detalles Bibliográficos
Autores principales: Gigli, M., Inchaussandague, M., Valencia, C., Méndez, E.
Formato: JOUR
Materias:
A-plane
Corrugated surfaces
Diffraction problem
Electromagnetic response
Free electron models
General expression
Incident waves
Isotropic medium
Metallic gratings
Nonlinear polarizations
Nonlinear susceptibilities
Numerical techniques
Rayleigh method
Numerical methods
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_07403224_v28_n8_p1940_Gigli
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:We describe a theoretical formalism to study the second-harmonic generation in periodically corrugated surfaces illuminated by a plane wave. The incident wave vector is contained in the plane perpendicular to the grating grooves. Our analysis is based on the most general expression for the nonlinear polarization of a homogeneous and isotropic medium. The diffraction problem is solved using a Rayleigh method, and the numerical technique is illustrated by examples for which the nonlinear susceptibilities are calculated with a free-electron model. © 2011 Optical Society of America.

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