Performance Improvement of Refractometric Sensors Through Hybrid Plasmonic–Fano Resonances

@article{Elshorbagy2019PerformanceIO,
  title={Performance Improvement of Refractometric Sensors Through Hybrid Plasmonic–Fano Resonances},
  author={Mahmoud Hamdy Elshorbagy and Alexander Cuadrado and Gabriel Gonz{\'a}lez and Francisco Javier Gonz{\'a}lez and Javier Alda},
  journal={Journal of Lightwave Technology},
  year={2019},
  volume={37},
  pages={2905-2913}
}
In this paper, we present a plasmonic refractometric sensor that works under normal incidence; allowing its integration on a fiber tip. The sensor's material and geometry exploit the large scattering cross section given by high contrast of the index of refraction subwavelength dielectric gratings. Our design generates a hybrid plasmonic–Fano resonance due to the interference between the surface plasmon resonance and the grating response. We optimize the sensor with a merit function that… 

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References

SHOWING 1-10 OF 70 REFERENCES

Plasmonic Fiber-Optic Refractometers Based on a High Q-Factor Amplitude Interrogation

A nano-scale gold-coated tilted fiber Bragg grating sensor with clear surface plasmon resonance is proposed and experimentally demonstrated. The transmission spectrum of the sensor provides a fine

Surface Plasmon Resonance Refractive Index Sensor Based on Tapered Coreless Optical Fiber Structure

In this paper, we announce the surface plasmon resonance (SPR) refractive index (RI) sensor based on tapered coreless fiber (TCF) structure. We take full advantage of the transmission characteristics

High-sensitivity integrated devices based on surface plasmon resonance for sensing applications

A metallic nanostructured array that scatters radiation toward a thin metallic layer generates surface plasmon resonances for normally incident light. The location of the minimum of the spectral

A High-Performance Refractive Index Sensor Based on Fano Resonance in Si Split-Ring Metasurface

We present a high-performance refractive index sensor based on Fano resonance with a figure of merit (FOM) about 56.5 in all-dielectric metasurface which consists of a periodically arranged silicon

Narrow groove plasmonic nano-gratings for surface plasmon resonance sensing

We present a novel surface plasmon resonance (SPR) configuration based on narrow groove (sub-15 nm) plasmonic nano-gratings such that normally incident radiation can be coupled into surface plasmons

High-Sensitivity Refractive Index Sensing Based on Fano Resonances in a Photonic Crystal Cavity-Coupled Microring Resonator

Aiming for high-sensitivity refractive index biosensing, we investigate Fano resonance in a one-dimensional photonic crystal cavity-coupled microring resonator (PCMRR) on a silicon chip. Calculated

Approach the angular sensitivity limit in surface plasmon resonance sensors with low index prism and large resonant angle

Surface plasmon resonance (SPR) sensors have been studied thoroughly for the past two decades. However, we found that the angular sensitivity in a prism-coupled SPR sensor can be as high as 500

Ultrahigh Sensitivity Plasmonic Refractive-Index Sensor for Aqueous Environment

We propose a short-length ultra-high sensitivity plasmonic-integrated optic-refractive-index sensor for aqueous medium. The sensor is based on hybrid coupling between the symmetric and anti-symmetric

A multi-core holey fiber based plasmonic sensor with large detection range and high linearity.

TLDR
It is found that not only phase matching but also loss matching plays a key role in the coupling process between the fundamental mode and plasmonic mode, which transforms from incomplete coupling to complete coupling with increasing analyte RI.

A Plasmonic Sensor Array with Ultrahigh Figures of Merit and Resonance Linewidths down to 3 nm

TLDR
The sensor is capable of detecting bovine serum albumin with an ultralow concentration and has great potential for practical application for its ultrahigh FOM, broad working wavelength, and ease of high-throughput fabrication.
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