A simulation analysis for dimensioning of an amorphous silicon planar waveguide structure suitable to be used as a surface plasmon resonance biosensor

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)

Abstract

In this work we present a simulation study about the characteristics of a semiconductor structure suitable to be used as a guided wave optical 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 aluminum are the metals considered for the plasmonic coating, amorphous silicon and others PECVD materials are considered for the waveguide structure. The results are based on modal analysis of the waveguide and plasmonic modes. The results obtained point out the possibility of generating SPPs in the near infrared range by including a functionalized cover of reduced graphene oxide (rGO) over the metal layer.

Original languageEnglish
Title of host publicationFourth International Conference on Applications of Optics and Photonics
EditorsManuel F. M. Costa
PublisherSPIE-International Society for Optical Engineering
ISBN (Electronic)9781510631632
DOIs
Publication statusPublished - 2019
Event4th International Conference on Applications of Optics and Photonics, AOP 2019 - Lisbon, Portugal
Duration: 31 May 20194 Jun 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
PublisherSPIE-International Society for Optical Engineering
Volume11207
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference4th International Conference on Applications of Optics and Photonics, AOP 2019
CountryPortugal
CityLisbon
Period31/05/194/06/19

Keywords

  • amorphous silicon
  • SPP
  • waveguide

Fingerprint

Dive into the research topics of 'A simulation analysis for dimensioning of an amorphous silicon planar waveguide structure suitable to be used as a surface plasmon resonance biosensor'. Together they form a unique fingerprint.

Cite this