Simplified model for periodic nanoantennae: linear model and inverse design

Details Simplified model for periodic nanoantennae: linear model and inverse design Simplified model for periodic nanoantennae: linear model and inverse design

2009-06-25

arxiv.org/abs/0906.4756v1

Physics

Optics

Scientific paper

We determine and use a minimal set of numerical simulations to create a simplified model for the spectral response of nanoantennae with respect to their geometric and modeling parameters. The simplified model is then used to rapidly obtain best-fit modeling parameters to match experimental results, accurately predict the spectral response for various geometries, and inversely design antennae to have a desired performance. This method is structure and model independent, and is applied here to both nanoantenna pair arrays and strips modeled using a 3D finite-element method and 2D spatial harmonic analysis, respectively. Typical numerical simulations may need hours per model, whereas this method, after the initial time to obtain a baseline set of simulations, requires only seconds to analyze and generate spectra for new geometries.

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