A Numerical Method for the Computation of Electromagnetic Modes in Optical Fibers

Patrick Joly 1 Christine Poirier 1
1 ONDES - Modeling, analysis and simulation of wave propagation phenomena
Inria Paris-Rocquencourt, UMA - Unité de Mathématiques Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR2706
Abstract : In this article, we propose a new numerical method for the computation of electromagnetic modes in an optical fiber. The main difficulty lies in the fact that we have to solve an eigenvalue problem posed in $\Rm^2$. We reduce the problem to a disc with the help of the introduction of non local boundary operators that can be expressed in terms of Fourier series. A particular attention is drawn to the respect of the free divergence condition. Finally, our method is reduced to the resolution of a series of fixed point equations related to the eigenvalues of some self-adjoint operators with compact resolvent.
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Patrick Joly, Christine Poirier. A Numerical Method for the Computation of Electromagnetic Modes in Optical Fibers. [Research Report] RR-2974, INRIA. 1996. ⟨inria-00073724⟩

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