ArticleNanophotonics (Berlin, Germany)2024
Dual high-Q Fano resonances metasurfaces excited by asymmetric dielectric rods for refractive index sensing.
Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Electrically Reconfigurable Quasi-BIC Metadevices Enabled by Integrated Barium Titanate.Nanophotonics (Berlin, Germany) · 2026Article
- All-LCP Terahertz Metasensor with Dual Quasi-BIC Resonances for Dual-Range Refractive Index Sensing.Biosensors · 2026Article
- Dual-band high-Q quasi-BIC metasurface for refractive index sensing.Nanophotonics (Berlin, Germany) · 2025Article
- Surface-enhanced spectroscopy technology based on metamaterials.Microsystems & nanoengineering · 2025Review
- Ultrasensitive metasurface sensor based on quasi-bound states in the continuum.Nanophotonics (Berlin, Germany) · 2025Article
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Authors and funding
9 authors.
Funding
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Abstract
The metasurface refractive index sensor has a high degree of tunability and flexibility, providing excellent performance for high precision refractive index sensing applications. The metasurface absorber with metallic structure has been hindered in further sensor applications due to the inherent Ohmic loss of the metallic material. In this study, a dual nanorod metasurface structure based on semiconductor Si was designed, introducing a symmetry-breaking structure to excite dual ultra-narrow q-BIC resonance peaks with Fano line shapes. Both peaks are located in the near-infrared region, and multipole analysis shows that this strong field enhancement effect is induced by a magnetic dipole. Experimental results demonstrate the potential of this sensor to provide dual-channel detection while achieving high sensitivity and high Q-factor. We believe that this device exhibits outstanding performance and high practicality, providing a reference for the development and application of biological and environmental sensors.
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