ArticleNanophotonics (Berlin, Germany)2023
Quasi-bound states in the continuum with a stable resonance wavelength in dimer dielectric metasurfaces.
Article in Nanophotonics (Berlin, Germany), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Reconfigurable chiroptical metasurface sensors enabled by bound states in the continuum.iScience · 2026Article
- Wavelength-tunable high-Q circular dichroism based on the hybrid chiral phase-change metasurface.iScience · 2026Article
- Robust ultrahigh-Q resonances in tetramer metasurfaces through centroid symmetry protection and area conservation.Light, science & applications · 2026Article
- Full Asymmetric Radiation Control Through Multi-Channel Bound States in the Continuum.Nanophotonics (Berlin, Germany) · 2026Article
- Nanoporous-structured metasurface refractive index sensor employing quasi-bound states in the continuum.Scientific reports · 2025Article
- An Ultra-Narrowband Graphene-Perfect Absorber Based on Bound States in the Continuum of All-Dielectric Metasurfaces.Nanomaterials (Basel, Switzerland) · 2025Article
- Free-space high-Q nanophotonics.Light, science & applications · 2025Review
- Low-Contrast BIC Metasurfaces with Quality Factors Exceeding 100,000.Nano letters · 2025Article
- The investigation of an inspired type toroidal dipole flexible metasurfaces at terahertz frequencies.Heliyon · 2024Article
- Si metasurface supporting multiple quasi-BICs for degenerate four-wave mixing.Nanophotonics (Berlin, Germany) · 2024Article
- Strong coupling between WSNanophotonics (Berlin, Germany) · 2024Article
- Multifunctional Meta-Devices for Full-Polarization Rotation and Focusing in the Near-Infrared.Micromachines · 2024Article
- Ultra-narrowband and rainbow-free mid-infrared thermal emitters enabled by a flat band design in distorted photonic lattices.Nature communications · 2024Article
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12 authors.
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Abstract
Symmetry-protected bound states in the continuum (SP-BICs) are one of the most intensively studied BICs. Typically, SP-BICs must be converted into quasi-BICs (QBICs) by breaking the unit cell's symmetry so that they can be accessed by the external excitation. The symmetry-broken usually results in a varied resonance wavelength of QBICs which are also highly sensitive to the asymmetry parameters. In this work, we demonstrate that QBICs with a stable resonance wavelength can be realized by breaking translational symmetry in an all-dielectric metasurface. The unit cell of metasurface is made of a silicon nanodisk dimer. The Q-factor of QBICs is precisely tuned by changing the interspacing of two nanodisks while their resonance wavelength is quite stable against the interspacing. We also find that such BICs show weak dependence on the shape of the nanodisk. Multiple decompositions indicate that the toroidal dipole dominates this type of QBIC. The resonance wavelengths of QBICs can be tuned only by changing either the lattice constants or the radius of nanodisk. Finally, we present experimental demonstrations on such a QBIC with a stable resonance wavelength. The highest measured Q-factor of QBICs is >3000. Our results may find promising applications in enhancing light-matter interaction.
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