Highly efficient higher-order modes filtering into aperiodic very large mode area fibers for single-mode propagation

Abstract : We report here on the first experimental demonstration, to the best of our knowledge, of a new generation of very large mode area (VLMA) fibers intended to strengthen single-mode propagation. The originality of this work relies on an aperiodicity of the inner cladding microstructuration exacerbating the spatial rejection of higher-order-modes (HOMs) while preserving a significant confinement of the fundamental mode. The single-mode behavior was demonstrated using an optical low-coherence interferometry measurement based on the group-velocity dispersion. As suggested through a preliminary numerical approach, this outstanding characteristic/behavior is evidenced over a large spectral range spanning from 1 to 2 μm for a core diameter of 60 μm. Core scalability was also investigated.
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https://hal-unilim.archives-ouvertes.fr/hal-01059123
Contributeur : Raphael Jamier <>
Soumis le : vendredi 29 août 2014 - 13:47:27
Dernière modification le : jeudi 11 janvier 2018 - 06:27:35

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Aurélien Benoit, Romain Dauliat, Raphaël Jamier, Georges Humbert, Stephan Grimm, et al.. Highly efficient higher-order modes filtering into aperiodic very large mode area fibers for single-mode propagation. Optics Letters, Optical Society of America, 2014, 39 (15), pp.4561. ⟨10.1364/OL.39.004561⟩. ⟨hal-01059123⟩

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