Second harmonic generation from GaAs-Au subwavelength relief gratings

Second harmonic generation from GaAs-Au subwavelength relief gratings

We study numerically the second-harmonic generation (SHG) from subwavelength GaAs relief gratings with and without Au nano-stripes on the bottom of grating troughs. The SHG efficiency is calculated by finite element method as a function of grating amplitude, Au-stripes thickness, depth of trough for...

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Bibliographic Details
Main Authors: C.J. Valencia-Caicedo, E.I. Chaikina, A.V. Khomenko
Format: Article
Language:English
Published: Elsevier 2022-06-01
Series:Results in Physics
Subjects:
Second-harmonic generation
Nonlinear optics
Plasmonics
Semiconductor nonlinear optics
Subwavelength grating
Online Access:http://www.sciencedirect.com/science/article/pii/S2211379722002571

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http://www.sciencedirect.com/science/article/pii/S2211379722002571

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