ArticleScientific reports2019
Symmetry-broken square silicon patches for ultra-narrowband light absorption.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Borophene-Based Anisotropic Metamaterial Perfect Absorber for Refractive Index Sensing.Nanomaterials (Basel, Switzerland) · 2025Article
- Perfect Absorption and Reflection Modulation Based on Asymmetric Slot-Assisted Gratings without Mirrors.Nanomaterials (Basel, Switzerland) · 2023Article
- High-quality-factor dual-band Fano resonances induced by dual bound states in the continuum using a planar nanohole slab.Nanoscale research letters · 2021Article
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Authors and funding
7 authors.
Funding
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Abstract
The effect of ultra-narrowband light absorption enhancement is presented by using metamaterials with symmetry-broken square silicon patches (SSPs). The symmetry of the SSP can be broken by introducing a narrow slit deviating from its center. By breaking the symmetry of the SSPs, slit resonance mode with standing wave patterns can be excited, and the locations of the absorption peaks can be well estimated by using the Fabry-Pérot (F-P) cavity model. Although there is no excitation of surface plasmon resonance, ultra-narrowband light absorption can be achieved by minimizing the reflectance through perfect impedance matching and simultaneously eliminating the transmittance by the metallic substrate. Good ultra-narrowband absorption features can be maintained as the parameters of the buffer layer and the SSPs are altered. When this type of symmetry-broken SSPs-based metamaterial is used in refractive-index sensors, it shows excellent sensing properties due to its stable ultra-narrowband absorption enhancement.
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