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Engineering colors in all-dielectric metasurfaces: metamodeling approach

Abstract : In this letter, we engineer the colors of all-dielectric metasurfaces by means of a meta-model based optimization approach. This algorithm combines heuristic optimization and neural networks to retrieve the metasurface’s optimal geometrical parameters that serve to reproduce a prescribed color. The metasurfaces were fabricated and experimentally validated through dark field optical microscope images. We present typical results for periodic arrays of nanoparticles with arbitrary cross section. The approach is well-suited for color reproduction and computationally inexpensive.
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Journal articles
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https://hal-utt.archives-ouvertes.fr/hal-02380463
Contributor : Jean-Baptiste Vu Van <>
Submitted on : Tuesday, November 26, 2019 - 11:44:05 AM
Last modification on : Tuesday, October 6, 2020 - 4:26:41 PM

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  • HAL Id : hal-02380463, version 1

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P2MN | UTT | CNRS

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Alma González-Alcalde, Rafael Salas-Montiel, Victor Kalt, Sylvain Blaize, Demetrio Macías. Engineering colors in all-dielectric metasurfaces: metamodeling approach. Optics Letters, Optical Society of America - OSA Publishing, 2020, 45, 1 (89-92). ⟨hal-02380463⟩

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