ArticleScientific reports2017
Tunable plasmonic substrates with ultrahigh Q-factor resonances.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Bio-sensing applications of a 2:1 photonic crystal multiplexer.Scientific reports · 2025Article
- Design of a PIT biosensor based on plasmonic-graphene-black phosphorous hybrid for hypercholesterolemia detection.Scientific reports · 2024Article
- Grating Bio-Microelectromechanical Platform Architecture for Multiple Biomarker Detection.Biosensors · 2024Article
- High performance artificial visual perception and recognition with a plasmon-enhanced 2D material neural network.Nature communications · 2024Article
- Three-dimensional surface lattice plasmon resonance effect from plasmonic inclined nanostructures via one-step stencil lithography.Nanophotonics (Berlin, Germany) · 2024Article
- Double-Strip Array-Based Metasurfaces with BICs for Terahertz Thin Membrane Detection.Micromachines · 2023Article
- Multiplication of photonic band gaps in one-dimensional photonic crystals by using hyperbolic metamaterial in IR range.Scientific reports · 2023Article
- Understanding the Role of Different Substrate Geometries for Achieving Optimum Tip-Enhanced Raman Scattering Sensitivity.Nanomaterials (Basel, Switzerland) · 2021Article
- Metallic photonic crystal-based sensor for cryogenic environments.Optics express · 2019Article
- Rectangular plasmonic interferometer for high sensitive glycerol sensor.Scientific reports · 2019Article
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4 authors.
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Abstract
Precisely tailored plasmonic substrates can provide a platform for a variety of enhanced plasmonic applications in sensing and imaging. Despite the significant advances made in plasmonics, most plasmonic devices suffer critically from intrinsic absorption losses at optical frequencies, fatally restricting their efficiency. Here, we describe and engineer plasmonic substrates based on metal-insulator-metal (MIM) plasmon resonances with ultra-sharp optical transmission responses. Due to their sharp transmission spectrum, the proposed substrates can be utilized for high quality (Q)-factor multi-functional plasmonic applications. Analytical and numerical methods are exploited to investigate the optical properties of the substrates. The optical response of the substrate can be tuned by adjusting the periodicity of the nanograting patterned on the substrate. Fabricated substrates present Q-factors as high as ∼40 and refractive index sensing of the surrounding medium as high as 1245 nm/RIU. Our results indicate that by engineering the substrate geometry, the dielectric thickness and incident angle, the radiation losses can be greatly diminished, thus enabling the design of plasmonic substrates with large Q factor and strong sensitivity to the environment.
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