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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 8 — Mar. 10, 2006
  • pp: 1743–1755

Systematic modeling study of channel waveguide fabrication by thermal silver ion exchange

Guangyu Li, Kim A. Winick, Henry C. Griffin, and Joseph S. Hayden  »View Author Affiliations

Applied Optics, Vol. 45, Issue 8, pp. 1743-1755 (2006)

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A systematic study of thermal silver ion exchange used for the fabrication of optical channel waveguides is reported in a single-alkali glass. The diffusion equilibrium and diffusion dynamics are experimentally studied, and the concentration-dependent diffusion coefficients are determined. The relationship between the fabrication conditions, i.e., time, temperature, and melt concentration, and the induced waveguide refractive index profile is established. It is demonstrated that the diffusion equation can be solved, without use of any free parameters, to predict the refractive index profiles of both planar and channel waveguides. A 1.6   cm diameter integrated optic ring resonator, with a propagation loss of 0.1 dB / cm , is fabricated in a glass by thermal silver ion exchange. The induced refractive index profile is related to the optical characteristics of the functional device.

© 2006 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3130) Integrated optics : Integrated optics materials
(230.3120) Optical devices : Integrated optics devices
(230.7380) Optical devices : Waveguides, channeled
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Optical Devices

Original Manuscript: August 8, 2005
Revised Manuscript: September 26, 2005
Manuscript Accepted: September 28, 2005

Guangyu Li, Kim A. Winick, Henry C. Griffin, and Joseph S. Hayden, "Systematic modeling study of channel waveguide fabrication by thermal silver ion exchange," Appl. Opt. 45, 1743-1755 (2006)

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