ArticleScientific reports2018
Dispersion engineering with plasmonic nano structures for enhanced surface plasmon resonance sensing.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Double-Sided Illumination Grating-Coupled Surface Plasmon Resonance Sensors Using Direct Optical Discs.Materials (Basel, Switzerland) · 2026Article
- Numerical analysis of Phase change material and graphene-based tunable refractive index sensor for infrared frequency spectrum.Scientific reports · 2023Article
- Label-Free Bound-States-in-the-Continuum Biosensors.Biosensors · 2022Review
- Biosensing on a Plasmonic Dual-Band Perfect Absorber Using Intersection Nanostructure.ACS omega · 2022Article
- Features of the Resonance in a Rectangular Dielectric Surace-Relief Gratings Illuminated with a Limited Cross Section Gaussian Beam.Nanomaterials (Basel, Switzerland) · 2021Article
- Nanostructured plasmonic chips employing nanopillar and nanoring hole arrays for enhanced sensitivity of SPR-based biosensing.RSC advances · 2021Article
- IP-Dip-Based SPR Structure for Refractive Index Sensing of Liquid Analytes.Nanomaterials (Basel, Switzerland) · 2021Article
- Diffraction of a Gaussian Beam with Limited cross Section by a Volume Phase Grating under Waveguide Mode Resonance.Materials (Basel, Switzerland) · 2021Article
- A theoretical design of evanescent wave biosensors based on gate-controlled graphene surface plasmon resonance.Scientific reports · 2021Article
- Bidirectional Angle-Tolerant Polarization-Tuned Filtering and Wide-Range Refractive Index Sensing Based on Metal Film Coated Nanograting.Nanomaterials (Basel, Switzerland) · 2020Article
- Relation between Resonance Parameters of Surface Plasmon-Polariton Waves with Properties of the Dielectric-Metal Film-Dielectric Waveguide.Materials (Basel, Switzerland) · 2020Article
- Characteristics of the Surface Plasmon-Polariton Resonance in a Metal Grating, as a Sensitive Element of Refractive Index Change.Materials (Basel, Switzerland) · 2020Article
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Authors and funding
4 authors.
Funding
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Abstract
We demonstrate numerically and experimentally the enhancement of Surface Plasmon Resonance (SPR) sensing via dispersion engineering of the plasmonic response using plasmonic nanograting. Following their design and optimization, the plasmonic nanograting structures are fabricated using e-beam lithography and lift-off process and integrated into conventional prism based Kretschmann configuration. The presence of absorptive nanograting near the metal film, provides strong field enhancement with localization and allows to control the dispersion relation which was originally dictated by a conventional SPR structure. This contributes to the enhancement in Q factor which is found to be 3-4 times higher as compared to the conventional Kretschmann configuration. The influence of the incident angle on resonance wavelength is also demonstrated both numerically and experimentally, where, only a negligible wavelength shift is observed with increasing the incident angles for plasmonic nanograting configuration. This surprising feature may be helpful for studying and utilizing light-matter interaction between plasmons and narrow linewidth media (e.g. Rb atom or molecule) having nonlocalities in their susceptibility-momentum relation. Finally, we analyze the role of plasmonic nanograting in enhancing the performance of an SPR sensor. Our results indicate that the integrated SPR-nanograting device shows a great promise as a sensor for various types of analytes.
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