Modelling of standard and specialty fibre-based systems using finite element methods

Natascia Castagna; Jacques Morel; Luc Testa; Sven Burger

doi:10.1117/12.2307372

17 May 2018 Modelling of standard and specialty fibre-based systems using finite element methods

Natascia Castagna, Jacques Morel, Luc Testa, Sven Burger

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 1068336 (2018) https://doi.org/10.1117/12.2307372
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

We report on the investigation of an approach for modelling light transmission through systems consisting of several jointed optical fibres, in which the analytical modelling of the waveguides was replaced by Finite Element Modelling (FEM) simulations. To validate this approach we first performed FEM analysis of standard fibres and used this to evaluate the coupling efficiency between two singlemode fibres under different conditions. The results of these simulations were successfully compared with those obtained using classical analytical approaches, by demonstrating a maximum loss deviation of about 0.4 %. Further, we performed other more complex simulations that we compared again to the analytical models. FEM simulations allow addressing any type of guiding structure, without limitations on the complexity of the geometrical waveguide cross section and involved materials. We propose as example of application the modelling of the light transmitted through a system made of a hollow core photonic crystal fibre spliced between two singlemode standard optical fibres, and qualitatively compare the results of the simulation with experimental results.

Citation Download Citation

Natascia Castagna, Jacques Morel, Luc Testa, and Sven Burger "Modelling of standard and specialty fibre-based systems using finite element methods", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 1068336 (17 May 2018); https://doi.org/10.1117/12.2307372

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