ArticleScientific reports2024
Compact coherent perfect absorbers using topological guided-mode resonances.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Deterministic Spectral-Design Method for Guided-Mode Resonances.Nanophotonics (Berlin, Germany) · 2026Article
- Topological guided-mode resonances: basic theory, experiments, and applications.Nanophotonics (Berlin, Germany) · 2025Review
- Topological beaming of light: proof-of-concept experiment.Light, science & applications · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
We propose a topological coherent perfect absorber that enables almost ideal performance with remarkably compact device footprint and tight incident beams. The proposed structure is based on a topological junction of two guided-mode-resonance gratings. The structure provides robust systematic ways of remarkably tight lateral confinement of the absorbing resonance mode and near-perfect mode-match to arbitrary incident beams, which are unavailable with the conventional approaches. We demonstrate an exemplary amorphous Si thin-film structure that enables near-perfect absorptance modulation between 1.7 and 99% with device footprint width of 30-μm and 10-μm-wide incident Gaussian beams. Therefore, our proposed approach greatly improves practicality of guided-mode-resonance coherent perfect absorbers.
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Registered trials
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