Adiabatic bend transitions for large mode area fibres

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2010 English Publisher:Elsevier BVJournal:Optics Communications, volume 283, pages 3,727-3,731 (issn: 0030-4018,

Copyright policy )Publicly funded

Authors: Stefan Grünsteidl; João M. Sousa; Thomas J. Glynn;

doi: 10.1016/j.optcom.2010.04.038

Adiabatic bend transitions for large mode area fibres

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Abstract

Adiabatic bend transitions in large mode area multimode fibres were investigated theoretically using the beam propagation method. Adiabatic bend transducers preserve the power of guided light in the fundamental mode while guiding from one level of curvature to another for improved operation of mode filters and fibre amplifiers. A method is shown and used to find the optimised guidance path. Applications of these transducers include modal power back-converters, and guidance paths into and out of higher order mode filtering devices which work on bending.

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