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Theory and FDTD simulations of an amorphous silicon planar waveguide structure suitable to be used as a surface plasmon resonance biosensor

2020Artigo científico Acesso aberto
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dc.contributor.authorFantoni, Alessandro
dc.contributor.authorCosta, João
dc.contributor.authorFernandes, Miguel
dc.contributor.authorVygranenko, Yury
dc.contributor.authorVieira, Manuela
dc.contributor.institutionCTS - Centro de Tecnologia e Sistemas
dc.contributor.institutionUNINOVA-Instituto de Desenvolvimento de Novas Tecnologias
dc.contributor.institutionDEE2010-A2 Electrónica
dc.contributor.institutionDEE - Departamento de Engenharia Electrotécnica e de Computadores
dc.contributor.pblSociedad Espanola de Optica
dc.date.accessioned2021-07-12T22:18:05Z
dc.date.available2021-07-12T22:18:05Z
dc.date.issued2020
dc.descriptionPTDC/NAN-OPT/31311/2017 UID/EEA/00066/2019 IPL/2018/aSiPhoto_ISEL AOP 2019, paper 28
dc.description.abstractIn this paper we present our work concerning the design of a semiconductor waveguide structure to be used as a biosensor based on Surface Plasmonic Resonance effects (SPR). The proposed structure is a planar metal-dielectric waveguide where the sensor operation is based on the coupling between the fundamental propagation TM mode and the surface plasmon excited at the outer boundary of the metal, which interfaces the sample medium. Gold and aluminium are the metals considered for the plasmonic coating, amorphous silicon and a reduced graphene oxide layer are considered for the waveguide structure. FDTD simulations of the proposed structure show a clear attenuation peak in the output power at the wavelength where the plasmonic resonance is excited.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent8
dc.format.extent600050
dc.identifier.doi10.7149/OPA.53.2.51032
dc.identifier.issn0030-3917
dc.identifier.otherPURE: 32501521
dc.identifier.otherPURE UUID: a085d410-fd61-4791-b729-88b1df6fb549
dc.identifier.otherScopus: 85089336375
dc.identifier.otherWOS: 000546182400008
dc.identifier.urihttp://hdl.handle.net/10362/120919
dc.identifier.urlhttps://www.scopus.com/pages/publications/85089336375
dc.language.isoeng
dc.peerreviewedyes
dc.subjectAmorphous silicon
dc.subjectPlasmonic sensor
dc.subjectSPP
dc.subjectWaveguide
dc.subjectElectronic, Optical and Magnetic Materials
dc.subjectAtomic and Molecular Physics, and Optics
dc.subjectEngineering (miscellaneous)
dc.subjectMechanical Engineering
dc.titleTheory and FDTD simulations of an amorphous silicon planar waveguide structure suitable to be used as a surface plasmon resonance biosensoren
dc.typejournal article
degois.publication.firstPage1
degois.publication.issue2
degois.publication.lastPage8
degois.publication.titleOptica Pura y Aplicada
degois.publication.volume53
dspace.entity.typePublication
rcaap.rightsopenAccess

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