ArticleNature communications2023
Over-coupled resonator for broadband surface enhanced infrared absorption (SEIRA).
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Loss-Engineered Terahertz Pixelated Metasensors for Enhanced Molecular Vibrational Fingerprint Sensing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Electrically Tunable VONanomaterials (Basel, Switzerland) · 2026Article
- Broadband Infrared Absorption Features of Metasurfaces Constructed with a Titanium-Dielectric-Titanium Array Architecture.Nanomaterials (Basel, Switzerland) · 2026Article
- Metasurface-enhanced mid-infrared imaging spectroscopy with broadband quantum cascade lasers.Nature communications · 2026Article
- Polarization-independent dielectric gradient near-perfect absorbers for aqueous mid-infrared molecular sensing.Npj nanophotonics · 2026Article
- Ultra-compact broadband terahertz spectroscopy sensor enabled by resonant-gradient metasurface.Nature communications · 2025Article
- Large-area sensors using Cd(Zn)O plasmonic nanoparticles for surface-enhanced infrared absorption.Nanophotonics (Berlin, Germany) · 2025Article
- Machine Learning-Enhanced Dual-Band Plasmonic Sensing for Simultaneous Qualitative and Quantitative Detection of Biomolecules in the Mid-Infrared Region.Sensors (Basel, Switzerland) · 2025Article
- Surface-enhanced spectroscopy technology based on metamaterials.Microsystems & nanoengineering · 2025Review
- Metasurface-enhanced biomedical spectroscopy.Nanophotonics (Berlin, Germany) · 2025Review
- Advances in Nanoengineered Terahertz Technology: Generation, Modulation, and Bio-Applications.Research (Washington, D.C.) · 2025Review
- An overview on plasmon-enhanced photoluminescence via metallic nanoantennas.Nanophotonics (Berlin, Germany) · 2024Article
- Continuous spectral and coupling-strength encoding with dual-gradient metasurfaces.Nature nanotechnology · 2024Article
- Metasurface-Enhanced Mid-Infrared Spectrochemical Imaging of Tissues.Advanced materials (Deerfield Beach, Fla.) · 2023Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Detection of molecules is a key issue for many applications. Surface enhanced infrared absorption (SEIRA) uses arrays of resonant nanoantennas with good quality factors which can be used to locally enhance the illumination of molecules. The technique has proved to be an effective tool to detect small amount of material. However, nanoresonators can detect molecules on a narrow bandwidth so that a set of resonators is necessary to identify a molecule fingerprint. Here, we introduce an alternative paradigm and use low quality factor resonators with large radiative losses (over-coupled resonators). The bandwidth enables to detect all absorption lines between 5 and 10 μm, reproducing the molecular absorption spectrum. Counterintuitively, despite a lower quality factor, the system sensitivity is improved and we report a reflectivity variation as large as one percent per nanometer of molecular layer of PMMA. This paves the way to specific identification of molecules. We illustrate the potential of the technique with the detection of the explosive precursor 2,4-dinitrotoluene (DNT). There is a fair agreement with electromagnetic simulations and we also introduce an analytic model of the SEIRA signal obtained in the over-coupling regime.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.