Parametric optical rectification due to the near-field interaction between nanosized metallic domains

In this paper, we study parametric optical rectification that is not due to material properties but emerges from the electrostatic near-field interaction between nanosized metallic domains. The ability to demonstrate this effect comes from samples based on a unique slab waveguide with deeply buried...

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Bibliographic Details
Published inOptics express Vol. 31; no. 3; pp. 4873 - 4883
Main Authors Pal, Mandira, Niv, Avi
Format Journal Article
LanguageEnglish
Published United States 30.01.2023
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Summary:In this paper, we study parametric optical rectification that is not due to material properties but emerges from the electrostatic near-field interaction between nanosized metallic domains. The ability to demonstrate this effect comes from samples based on a unique slab waveguide with deeply buried nanometer-thin metallic layers. These samples intensify the presumed rectification mechanism while suppressing competing effects. We describe three experiments that, combined, indicate a non-material-based nonlinear mechanism in our samples. The origin of the nonlinear mechanism responsible for rectification is elucidated by invoking a toy model whose sole nonlinearity comes from the interaction between strictly linear oscillators.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.476346