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Optical Engineering

Low loss two-step ion-exchanged waveguides with high surface refractive index
Author(s): Abdollah Hassanzadeh; Silvia Mittler
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Paper Abstract

Two-step ion-exchanged waveguides with high surface refractive indices are fabricated under a variety of conditions. By modifying the conventional two-step ion exchange, the losses and the effective diffusion depth can be decreased without a significant effect on the surface refractive index. The influence of the first step, K+-Na+ ion exchange, performed time dependably on the surface refractive index change is investigated. Energy-dispersive x-ray spectroscopy is performed to establish the diffusion profiles of various ions.

Paper Details

Date Published: 1 July 2011
PDF: 7 pages
Opt. Eng. 50(7) 071103 doi: 10.1117/1.3558852
Published in: Optical Engineering Volume 50, Issue 7
Show Author Affiliations
Abdollah Hassanzadeh, The Univ. of Western Ontario (Canada)
Silvia Mittler, The Univ. of Western Ontario (Canada)


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