Fabry-Perot resonance enhancement-inhibition of spontaneous light emission from a-C:H thin films

Research output: Contribution to journalArticle

Abstract

Efficient light emission was observed over a broad wavelength region (covering the ultraviolet, visible and near infrared) from the photoexcited soft hydrogenated amorphous carbon (a-C:H) thin films. This provides an excellent opportunity to tune the working wavelength of optical devices. At the same time it is necessary to enhance narrow bandwidths from the inhomogeneously broadened spectrum. This can be achieved using a distributed Bragg reflector when a microcavity structure is realized. In this paper, we presents first - to our knowledge - results for the Fabry-Perot resonance enhancement-inhibition of spontaneous light emission measured on self-supporting a-C:H films.

Original languageEnglish
Pages (from-to)1336-1339
Number of pages4
JournalJournal of Non-Crystalline Solids
Volume352
Issue number9-20 SPEC. ISS.
DOIs
Publication statusPublished - Jun 15 2006

Keywords

  • Absorption
  • Luminescence
  • Optical spectroscopy
  • Plasma deposition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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