Article (Scientific journals)
Unraveling Plasmonic Tilted Fiber Bragg Gratings (TFBG): A Journey From “Anomalous Resonances” to Refined Refractometry
Fasseaux, Hadrien; Caucheteur, Christophe; Loyez, Médéric
2024In Laser and Photonics Reviews
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Keywords :
demodulation; optical fiber; plasmonics; sensing; signal analysis; tilted fiber Bragg Gratings; Biochemical sensing; Optical-; Plasmonics; Refractometry; Sensing; Signals analysis; Tilted fiber Bragg grating; Condensed Matter Physics
Abstract :
[en] Plasmonic tilted fiber Bragg gratings (TFBGs) have emerged as versatile tools for refractometric analyses and biochemical sensing. Their applications have significantly blossomed these last years, from proteins and cellular bioassays to operando monitoring in batteries, to cite just a few. They are widely recognized for their cutting-edge performance and low limits of detection, arising from their dense multimodal spectral nature featuring tens of narrowband cladding mode resonances. Their comb-like spectrum is so rich that numerous demodulation techniques have been reported, without benchmark of their relative performance while they possess important distinctions. This review highlights developments in detangling techniques from the pioneering works based on single-peak analysis up to the most recent approaches involving Fourier analysis, the implementation of machine learning, and cascaded spectral decomposition processes. To fairly compare the different techniques of the literature, we implemented each analysis on original experimental refractometric calibrations, revealing the assets of the most updated methods. This paper therefore reviews these demodulation techniques based on the same datasets, obtained under the same conditions. We show and discuss the results obtained from bioassays and pinpoint the importance of advanced analytical methodologies to maximize the reproducibility, reliability and performance of plasmonic-based TFBGs biosensors.
Disciplines :
Civil engineering
Author, co-author :
Fasseaux, Hadrien  ;  Université de Mons - UMONS > Recherche > Service ERC Unit - Advanced Photonic
Caucheteur, Christophe  ;  Université de Mons - UMONS > Faculté Polytechnique > Service d'Electromagnétisme et Télécommunications
Loyez, Médéric;  Electromagnetism and Telecommunication Department, Advanced Photonic Sensors Unit, University of Mons (UMONS), Mons, Belgium ; Proteomics and Microbiology Department, University of Mons (UMONS), Mons, Belgium
Language :
English
Title :
Unraveling Plasmonic Tilted Fiber Bragg Gratings (TFBG): A Journey From “Anomalous Resonances” to Refined Refractometry
Publication date :
2024
Journal title :
Laser and Photonics Reviews
ISSN :
1863-8880
eISSN :
1863-8899
Publisher :
John Wiley and Sons Inc
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
Electromagnetism and Telecommunications
Research institute :
Matériaux
Funding text :
The authors acknowledge the Fund for Scientific Research (F.R.S.\u2010FNRS) from Belgium.
Available on ORBi UMONS :
since 20 December 2024

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