ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Reconstructing Focal Topological Curves through Vortex Spots from Multifocal Metasurfaces.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Reconstructing Focal Topological Curves through Vortex Spots from Multifocal Metasurfaces.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Structured light plays an important role in modern photonics. Here, two approaches with distinct properties are proposed for reconstructing focal topological curves using an array of vortex spots generated by synthetic multifocal metasurfaces. A focal vortex lattice can create spatial topological photonics, where the tightly overlapping vortex spots annihilate within the lattice, leaving a closed multi-contoured boundary state as a closed focal curve defined by the lattice periphery. Alternatively, a chain of tightly overlapping vortex spots directly reconstructs a focal topological curve. The resultant curves are of multi-contours depending on the vortex topological charge, and the whole may coalesce into an overall vortex if a curve pattern is simple. Multichannel multifocal silicon metasurfaces are designed and fabricated to realize the required focal topological curves, and upconverted fluorescence is used to directly visualize the morphology of the near-infrared focal fields. This method opens new avenues for high-dimensional manipulation in focal optical fields with metasurfaces.
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