Diamond raman waveguide lasers: completely analytical design optimization incorporating scattering losses

Loyd James McKnight, Martin D. Dawson, Stephane Calvez

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We report detailed investigation of diamond-onsilica waveguides and their potential for use as Raman lasers. Large cross-sectional area rib waveguides are proposed as a dimension-scalable geometry. Finite element analysis and the beam propagation method are used to assess their guiding properties and in particular single transverse mode operation. A fully analytical model of scattering losses taking into account the interaction with all surfaces is proposed and exploited in conjunction with an analytical solution of a Raman waveguide laser to optimize the design with respect to threshold or output power of a diamond Raman waveguide laser pumped continuous-wave either at 532 nm or 1064 nm. Results show that thresholds lower than 500 mW and near quantum limit output powers can be obtained for a range of guide dimensions.

Original languageEnglish
Pages (from-to)1069-1077
Number of pages9
JournalIEEE Journal of Quantum Electronics
Volume47
Issue number8
DOIs
Publication statusPublished - Aug 2011

Keywords

  • integrated optics
  • lasers
  • raman lasers
  • waveguides
  • silicon-on-insulator
  • single-mode condition
  • sidewall roughness
  • fiber laser
  • crystals

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