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A Simplified Model for Linear Mode Coupling in Multimode Fibers with Experimental Assessment

Paolo Carniello, Filipe M. Ferreira, Fabio A. Barbosa, Ming-Jun Li, Norbert Hanik

physics.opticsarXiv:2609.20617

Abstract

We propose a novel surrogate model for linear coupling in graded-index multimode fibers that is computationally more efficient than existing models, and can be tuned through a single measurable parameter. The model is benchmarked numerically and experimentally on a 90-polarization-mode fiber.

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