Morphogenetic metasurfaces: unlocking the potential of turing patterns

The reaction-diffusion principle imagined by Alan Turing in an attempt to explain the structuring of living organisms is leveraged in this work for the procedural synthesis of radiating metasurfaces. The adaptation of this morphogenesis technique ensures the growth of anisotropic cellular patterns a...

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Bibliographic Details
Published inNature communications Vol. 14; no. 1; p. 6249
Main Authors Fromenteze, Thomas, Yurduseven, Okan, Uche, Chidinma, Arnaud, Eric, Smith, David R, Decroze, Cyril
Format Journal Article
LanguageEnglish
Published England Nature Publishing Group 06.10.2023
Nature Publishing Group UK
Nature Portfolio
Subjects
Anisotropy
Automation
Beams (radiation)
Circular polarization
Constraint modelling
Diffusion
Electromagnetic radiation
Electromagnetism
Engineering
Engineering Sciences
Far fields
Metasurfaces
Morphogenesis
Physics
Polarization
Radiation
Signal and Image processing
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Summary:The reaction-diffusion principle imagined by Alan Turing in an attempt to explain the structuring of living organisms is leveraged in this work for the procedural synthesis of radiating metasurfaces. The adaptation of this morphogenesis technique ensures the growth of anisotropic cellular patterns automatically arranged to satisfy local electromagnetic constraints, facilitating the radiation of waves controlled in frequency, space, and polarization. Experimental validations of this method are presented, designing morphogenetic metasurfaces radiating far-field circularly polarized beams and generating a polarization-multiplexed hologram in the radiative near-field zone. The exploitation of morphogenesis-inspired models proves particularly well suited for solving generative design problems, converting global physical constraints into local interactions of simulated chemical reactants ensuring the emergence of self-organizing meta-atoms.
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ISSN:2041-1723
2041-1723
DOI:10.1038/s41467-023-41775-9