ArticleNano letters2023
Two-Dimensional Chiral Metasurfaces Obtained by Geometrically Simple Meta-atom Rotations.
Article in Nano letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Angularly Tunable Circular Dichroism in a Bilayer Plasmonic Metasurface via Interlayer Coupling.ACS omega · 2026Article
- Room-temperature valley-selective emission in Si-MoSeNature communications · 2025Article
- Chirality encoding in resonant metasurfaces governed by lattice symmetries.Nature communications · 2025Article
- Dipole Determination by Polarimetric Spectroscopy Yielding the Orientation of Gold Nanorods.Small science · 2025Article
- Surface-enhanced spectroscopy technology based on metamaterials.Microsystems & nanoengineering · 2025Review
- Strong Chiro-Optical Activity of Plasmonic Metasurfaces with Inverted Pyramid Arrays.ACS applied materials & interfaces · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two-dimensional chiral metasurfaces seem to contradict Lord Kelvin's geometric definition of chirality since they can be made to coincide by performing rotational operations. Nevertheless, most planar chiral metasurface designs often use complex meta-atom shapes to create flat versions of three-dimensional helices, although the visual appearance does not improve their chiroptical response but complicates their optimization and fabrication due to the resulting large parameter space. Here we present one of the geometrically simplest two-dimensional chiral metasurface platforms consisting of achiral dielectric rods arranged in a square lattice. Chirality is created by rotating the individual meta-atoms, making their arrangement chiral and leading to chiroptical responses that are stronger or comparable to more complex designs. We show that resonances depending on the arrangement are robust against geometric variations and behave similarly in experiments and simulations. Finally, we explain the origin of chirality and behavior of our platform by simple considerations of the geometric asymmetry and gap size.
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Registered trials
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