Modelling of the waveguide-refractive-index profile using generalized  Gaussian functions

Ivo Montrosset; Mariacarla Guidi; Niculae N. Puscas; Ion M. Popescu; Dan M. Grobnic

doi:10.1117/12.203597

8 March 1995 Modeling of the waveguide refractive index profile using generalized gaussian functions

Ivo Montrosset, Mariacarla Guidi, Niculae N. Puscas, Ion M. Popescu, Dan M. Grobnic

Proceedings Volume 2461, ROMOPTO '94: Fourth Conference in Optics; (1995) https://doi.org/10.1117/12.203597
Event: ROMOPTO '94: 4th Conference on Optics, 1994, Bucharest, Romania

Abstract

This paper presents a flexible method for the modelling of the optical active waveguides (Er:Ti:LiNbO₃) refractive-index profile which has been reconstructed from a noisy width and depth smoothed intensity profile. The simulation procedure included signal processing of the measured intensity profile by means of a cubic spline approximation and a generalized Gaussian function. The presented model allows the evaluation of the index difference (Delta) n, effective index n_eff and other parameters which characterize the optical waveguides.

Citation Download Citation

Ivo Montrosset, Mariacarla Guidi, Niculae N. Puscas, Ion M. Popescu, and Dan M. Grobnic "Modeling of the waveguide refractive index profile using generalized gaussian functions", Proc. SPIE 2461, ROMOPTO '94: Fourth Conference in Optics, (8 March 1995); https://doi.org/10.1117/12.203597

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