Theoretical study of gain-induced mode coupling and mode beating in few-mode optical fiber amplifiers | Zendy

Jean-Baptiste Trinel | Zendy; Guillaume Le Cocq | Zendy; Yves Quiquempois | Zendy; Esben Ravn Andresen | Zendy; Olivier Vanvincq | Zendy; Laurent Bigot | Zendy

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Theoretical study of gain-induced mode coupling and mode beating in few-mode optical fiber amplifiers

Author(s) -

Jean-Baptiste Trinel,

Guillaume Le Cocq,

Yves Quiquempois,

Esben Ravn Andresen,

Olivier Vanvincq,

Laurent Bigot

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.002377

Subject(s) - optics , mode volume , mode (computer interface) , optical amplifier , coupling (piping) , amplifier , radiation mode , physics , modal , equilibrium mode distribution , erbium doped fiber amplifier , mode scrambler , multi mode optical fiber , single mode optical fiber , optical fiber , fiber amplifier , mode coupling , materials science , optoelectronics , plastic optical fiber , computer science , laser , cmos , polymer chemistry , metallurgy , operating system

We developed a generalized field-propagating model for active optical fibers that takes into account mode beating and mode coupling through the amplifying medium. We applied the model to the particular case of a few-mode erbium doped fiber amplifier. Results from the model predict that mode coupling mediated by the amplifying medium is very low. Furthermore, we applied the model to a typical amplifier configuration. In this particular configuration, the new model predicts much lower differential modal gain than that predicted by a classical intensity model.

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