Effect of distance-dependent plasmonic coupling between gold nanorods  and silicon substrate on second harmonic generation

Cindy J. Valencia-Caicedo; Marco A. García-Zárate; Elena Chaikina; Anatoly V. Khomenko

doi:10.1117/12.2238468

17 September 2016 Effect of distance-dependent plasmonic coupling between gold nanorods and silicon substrate on second harmonic generation

Cindy J. Valencia-Caicedo, Marco A. García-Zárate, Elena Chaikina, Anatoly V. Khomenko

Author Affiliations +

Proceedings Volume 9921, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIV; 992137 (2016) https://doi.org/10.1117/12.2238468
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

In this work, we report the experimental and numerical study of second harmonic generation (SHG) from Si-surface with randomly distributed Au-nanorods. The dependence of plasmonic resonance frequency was studied numerically for the gold nanorod-silicon dioxide-silicon substrate system as a function of nanorod sizes and dioxide film thickness. The numerical results demonstrate a high sensitivity of plasmonic resonance on the silicon dioxide thickness at the range up to 6 nm. We measured experimentally the dependencies of second harmonic signal as functions of the polarization angle of the pump beam from randomly distributed Au-nanorods on the Si-surface.

Citation Download Citation

Cindy J. Valencia-Caicedo, Marco A. García-Zárate, Elena Chaikina, and Anatoly V. Khomenko "Effect of distance-dependent plasmonic coupling between gold nanorods and silicon substrate on second harmonic generation", Proc. SPIE 9921, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIV, 992137 (17 September 2016); https://doi.org/10.1117/12.2238468

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