ArticleNano letters2024
Nanoimprinting Solution-Derived Barium Titanate for Electro-Optic Metasurfaces.
Article in Nano letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Electro-optic Modulation in Polycrystalline Barium Titanate Metasurfaces Enhanced by Poling.ACS photonics · 2026Article
- Electrically Reconfigurable Quasi-BIC Metadevices Enabled by Integrated Barium Titanate.Nanophotonics (Berlin, Germany) · 2026Article
- 17-GHz lossless InP-membrane active metasurface.Science advances · 2025Article
- Subvolt high-speed free-space modulator with electro-optic metasurface.Nature nanotechnology · 2025Article
- Article
- Efficient GHz electro-optical modulation with a nonlocal lithium niobate metasurface in the linear and nonlinear regime.Nature communications · 2025Article
- Scalable Lithium Niobate Nanoimprinting for Nonlinear Metalenses.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Chalcophosphate metasurfaces with multipolar resonances and electro-optic tuning.RSC advances · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
Electro-optic metasurfaces have demonstrated significant potential in enhancing the modulation speed and efficiency for fast and large-scale free-space optical devices. Barium titanate has a strong electro-optic Pockels coefficient, but its availability in thin-film form is restricted due to costly growth processes or low thickness. Here, we fabricated active metasurfaces using an etch-free bottom-up process with sol-gel-based polycrystalline barium titanate with a large electro-optic coefficient similar to bulk lithium niobate. We achieve strong hybrid Mie/surface lattice resonances with a quality-factor of 200 at 633 nm wavelength, enhancing the light-matter interaction and therefore the Pockels effect. The metasurface transmission is electro-optically modulated with up to 5 MHz driving frequency at low voltages of less than 1 V thanks to resonant enhancement of the modulation amplitude by 2 orders of magnitude. This successful demonstration of electro-optic modulation in nanoimprinted barium titanate structures paves the way for low-cost and large-scale free-space modulators or tunable metalenses.
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