ArticleNanomaterials (Basel, Switzerland)2023
High-Sensitivity Sensing in All-Dielectric Metasurface Driven by Quasi-Bound States in the Continuum.
Article in Nanomaterials (Basel, Switzerland), 2023. 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.
- Fano-resonant hybrid Metasurface for Carbon Dioxide sensing at telecommunication wavelengths.Scientific reports · 2026Article
- Tunable bound states in the continuum through hybridization of 1D and 2D metasurfaces.Nanophotonics (Berlin, Germany) · 2025Article
- Nanoporous-structured metasurface refractive index sensor employing quasi-bound states in the continuum.Scientific reports · 2025Article
- Tunable Dual-Mode Resonant Excitation of Dumbbell-Shaped Structures in the Mid-Infrared Band.Nanomaterials (Basel, Switzerland) · 2025Article
- Ultrasensitive metasurface sensor based on quasi-bound states in the continuum.Nanophotonics (Berlin, Germany) · 2025Article
- Emerging Low Detection Limit of Optically Activated Gas Sensors Based on 2D and Hybrid Nanostructures.Nanomaterials (Basel, Switzerland) · 2024Review
- Perfect Absorption and Reflection Modulation Based on Asymmetric Slot-Assisted Gratings without Mirrors.Nanomaterials (Basel, Switzerland) · 2023Article
- Two Individual Super-Bound State Modes within Band Gap with Ultra-HighSensors (Basel, Switzerland) · 2023Article
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4 authors.
Funding
Abstract
Quasi-bound states in the continuum (quasi-BIC) in all-dielectric metasurfaces provide a crucial platform for sensing due to its ability to enhance strong matter interactions between light-waves and analytes. In this study, a novel high-sensitivity all-dielectric sensor composed of a periodic array of silicon (Si) plates with square nanoholes in the continuous near-infrared band is theoretically proposed. By adjusting the position of the square nanohole, the symmetry-protected BIC and Friedrich-Wintgen BIC (FW-BIC) can be excited. The torodial dipole (TD) and electric quadruple (EQ) are demonstrated to play a dominating role in the resonant modes by near-field analysis and multipole decomposition. The results show that the sensitivity, the Q-factor, and the corresponding figure of merit (FOM) can simultaneously reach 399 nm/RIU (RIU is refractive index unit), 4959, and 1281, respectively. Compared with other complex nanostructures, the proposed metasurface is more feasible and practical, which may open up an avenue for the development of ultrasensitive sensors.
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