ArticleNanoscale research letters2021
High-quality-factor dual-band Fano resonances induced by dual bound states in the continuum using a planar nanohole slab.
Article in Nanoscale research letters, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Dual-band high-Q quasi-BIC metasurface for refractive index sensing.Nanophotonics (Berlin, Germany) · 2025Article
- A Novel Terahertz Metamaterial Microfluidic Sensing Chip for Ultra-Sensitive Detection.Nanomaterials (Basel, Switzerland) · 2024Article
- A Mid-Infrared Multifunctional Optical Device Based on Fiber Integrated Metasurfaces.Nanomaterials (Basel, Switzerland) · 2023Article
- Nanogap enhancement of the refractometric sensitivity at quasi-bound states in the continuum in all-dielectric metasurfaces.Nanophotonics (Berlin, Germany) · 2023Article
- Dual-band bound states in the continuum based on hybridization of surface lattice resonances.Nanophotonics (Berlin, Germany) · 2022Article
- Plasmonic Sensing and Switches Enriched by Tailorable Multiple Fano Resonances in Rotational Misalignment Metasurfaces.Nanomaterials (Basel, Switzerland) · 2022Article
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7 authors.
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Abstract
In photonics, it is essential to achieve high-quality (Q)-factor resonances to improve optical devices' performances. Herein, we demonstrate that high-Q-factor dual-band Fano resonances can be achieved by using a planar nanohole slab (PNS) based on the excitation of dual bound states in the continuum (BICs). By shrinking or expanding the tetramerized holes of the superlattice of the PNS, two symmetry-protected BICs can be induced to dual-band Fano resonances and their locations as well as their Q-factors can be flexibly tuned. Physical mechanisms for the dual-band Fano resonances can be interpreted as the resonant couplings between the electric toroidal dipoles or the magnetic toroidal dipoles based on the far-field multiple decompositions and the near-field distributions of the superlattice. The dual-band Fano resonances of the PNS possess polarization-independent feature, and they can be survived even when the geometric parameters of the PNS are significantly altered, making them more suitable for potential applications.
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