Femtosecond writing of refractive index structures in multimode and multicore optical fibres

Year: 2018

Authors: Wolf A.A., Dostovalov A.V., Wabnitz S., Babin S.A.

Autors Affiliation: Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russian Federation; Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, prosp. Akad. Koptyuga 1, Novosibirsk, 630090, Russian Federation; University of Brescia, Piazza del Mercato, 15, Brescia, 25121, Italy

Abstract: The possibility of writing fibre Bragg gratings (FBGs) in optical fibres with a complex spatial structure using femtosecond IR laser pulses is considered. In particular, selective writing of uniform FBGs in individual cores of a seven-core fibre and writing of serial and parallel FBG arrays in the core of a multimode fibre with a gradient refractive index profile are demonstrated. ©2018 Kvantovaya Elektronika and Turpion Ltd.


Volume: 48 (12)      Pages from: 1128  to: 1131

KeyWords: e da rivista: Multimode fibers; Optical fibers; Refractive index, Core fibre; Femtoseconds; Gradient refractive index; IR laser pulse; Multicore optical fibres; Multimodes; Spatial structure, Fiber Bragg gratings
DOI: 10.1070/QEL16852

Citations: 12
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