High-sensitivity multi-channel refractive-index sensor based on a graphene-based hybrid Tamm plasmonic structure

In this paper, we propose a high-performance refractive-index sensor at a near-infrared band based on a hybrid Tamm structure. The optical properties of this graphene-based hybrid Tamm plasmonic structure are analyzed and investigated by using the transfer matrix method (TMM). Due to the excitation...

Full description

Saved in:
Bibliographic Details
Published in:Optical materials express 2021-11, Vol.11 (11), p.3833
Main Authors: Hu, Jinlei, Huang, Yulan, Chen, Yuxuan, Hu, Zheng-da, Wu, Jingjing, Wang, Jicheng
Format: Article
Language:English
Subjects:
Absorption
Biosensors
Figure of merit
Gas sensors
Graphene
Infrared detectors
Infrared spectra
Matrix methods
Optical properties
Plasmonics
Polaritons
Position sensing
Refractivity
Resonance
Sensitivity
Sensors
Transfer matrices
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this paper, we propose a high-performance refractive-index sensor at a near-infrared band based on a hybrid Tamm structure. The optical properties of this graphene-based hybrid Tamm plasmonic structure are analyzed and investigated by using the transfer matrix method (TMM). Due to the excitation of the guide mode resonance (GMR) and Tamm plasmon polariton (TPP) resonance, the structure can realize multi-channel perfect absorption. This structure can be utilized as a refractive index sensor because the position of the absorption peak is sensitive to the refractive index of the ambient layer. Therefore, we obtain the sensitivity to 950 nm per refractive index unit (nm/RIU) and figure of merit (FoM) of 161 RIU -1 after studying the performance under different structural parameters. We believe that the proposed configuration is expected to be used to manufacture high-performance biosensors or gas sensor devices and other related applications in the near-infrared band.
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.440987