Amplifying organic semiconductor waveguide based nanocrystal sensor

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Abstract

We demonstrate an optical sensor that consists of an amplifying organic semiconductor waveguide with a protective polymer cladding for photostability. Sensing is achieved by evanescence of the guided amplified spontaneous emission (ASE) combining high signal levels at detection with simplicity of implementation. We show correlations between the presence and concentration of colloidal semiconductor nanoparticles on the cladding surface and changes in both the ASE threshold and the optical gain.
Original languageEnglish
Title of host publication2018 IEEE 18th International Conference on Nanotechnology
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages3
ISBN (Electronic)9781538653364
ISBN (Print)9781538653371
DOIs
Publication statusPublished - 28 Jan 2019
EventIEEE NANO 2018: The 18th IEEE International Conference on Nanotechnology - University College Cork, Cork, Ireland
Duration: 23 Jul 201826 Jul 2018
http://ieeenano18.org

Conference

ConferenceIEEE NANO 2018
Abbreviated titleieeenano18
CountryIreland
CityCork
Period23/07/1826/07/18
Internet address

Keywords

  • photonics
  • semiconductor nanocrystals
  • amplified spontaneous emission
  • organic semiconductors
  • sensors

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