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Buried channel waveguides using ion-exchange and field-assisted annealing in glass: Modeling and experiments

  • K. Liu*
  • , E. Y.B. Pun
  • *Corresponding author for this work
  • City University of Hong Kong

Research output: Contribution to journalConference articlepeer-review

Abstract

Theoretical and experimental studies on buried ion-exchanged waveguides using field-assisted annealing (FAA) in erbium-doped phosphate glasses were reported. The procedure for making buried waveguides using a two-step process was demonstrated. An analytical model for the FAA process was developed, and both the refractive index profiles and the effective buried depths of these waveguides are predicted. This model is based upon the available data derived from the ion-exchanged planar waveguide measurements. The mode intensity profiles as well as the buried depths were measured with the use of standard end-fire coupling setup and a calibrated image capture card. The buried depths are found to be in good agreement with the simulated results.

Original languageEnglish
Article number59
Pages (from-to)404-412
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5595
DOIs
StatePublished - 2004
Externally publishedYes
EventActive and Passive Optical Components for WDM Communications IV - Philadelphia, PA, United States
Duration: 25 Oct 200428 Oct 2004

Keywords

  • Buried glass waveguides
  • Field-assisted annealing
  • Integrated optics
  • Ion exchange

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