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Proceedings Paper

A model for the fused-fiber coupler structure
Author(s): Elio Pone; Xavier Daxhelet; Suzanne Lacroix
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Paper Abstract

The refractive index is assumed to be a linear function of the dopant concentration. We investigate the core dopant evolution during the fused-fiber coupler fabrication by solving the convective diffusion equation. The tapering and the fusion of the coupler are considered as coupled phenomena. The slenderness of the geometry makes it possible to simplify the equations and to obtain a three-dimensional model for the velocity field. We present numerical solutions of the resulting equations and compare them with experimental measurements of the refractive index profile.

Paper Details

Date Published: 20 December 2004
PDF: 8 pages
Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); doi: 10.1117/12.567451
Show Author Affiliations
Elio Pone, Ecole Polytechnique de Montreal (Canada)
Xavier Daxhelet, Ecole Polytechnique de Montreal (Canada)
Suzanne Lacroix, Ecole Polytechnique de Montreal (Canada)


Published in SPIE Proceedings Vol. 5577:
Photonics North 2004: Optical Components and Devices
John C. Armitage; Simon Fafard; Roger A. Lessard; George A. Lampropoulos, Editor(s)

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