Reconstruction of refractive index profile of optical waveguides by the finite element method

Sigifredo Solano G.; Catalina A. Ramirez; Javier Morales; Pedro Ignacio Torres; Nicolas Alberto Gomez Montoya

doi:10.1117/12.590832

21 October 2004 Reconstruction of refractive index profile of optical waveguides by the finite element method

Sigifredo Solano G., Catalina A. Ramirez, Javier Morales, Pedro Ignacio Torres, Nicolas Alberto Gomez Montoya

Author Affiliations +

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.590832
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

We show that the refractive-index profile (RIP) of optical waveguides can be determined by analyzing the transmitted near-field pattern with the finite element method. The first step consists in determine the initial guess for the RIP. Then, the selected guess is improved applying a reconstruction procedure with the finite element method. The procedure has been evaluated by comparing the obtained results with experimental measurements obtained by the RNF and m-lines techniques on a pure-silica single-mode fiber and slab waveguide, respectively.

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Sigifredo Solano G., Catalina A. Ramirez, Javier Morales, Pedro Ignacio Torres, and Nicolas Alberto Gomez Montoya "Reconstruction of refractive index profile of optical waveguides by the finite element method", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.590832

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