ArticleNature communications2023
Superscattering emerging from the physics of bound states in the continuum.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Topology-Optimized Bound States in the Continuum with High-Q Acoustic Field Enhancement.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Self-Powered Frequency-Selective Acoustic Sensor Based on Bound States in the Continuum.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Non-Hermitian singularities in scattering spectra of Mie resonators.Science advances · 2025Article
- Breaking the scattering limits of water waves.National science review · 2024Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
We study the Mie-like scattering from an open subwavelength resonator made of a high-index dielectric material, when its parameters are tuned to the regime of interfering resonances. We uncover a novel mechanism of superscattering, closely linked to strong coupling of the resonant modes and described by the physics of bound states in the continuum (BICs). We demonstrate that the enhanced scattering occurs due to constructive interference described by the Friedrich-Wintgen mechanism of interfering resonances, allowing to push the scattering cross section of a multipole resonance beyond the currently established limit. We develop a general non-Hermitian model to describe interfering resonances of the quasi-normal modes, and study subwavelength dielectric nonspherical resonators exhibiting avoided crossing resonances associated with quasi-BIC states. We confirm our theoretical findings by a scattering experiment conducted in the microwave frequency range. Our results reveal a new strategy to boost scattering from non-Hermitian systems, suggesting important implications for metadevices.
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