Raman fiber laser based on dual-core fiber with fiber Bragg grating inscribed by femtosecond radiation

Year: 2018

Authors: Skvortsov M.I., Lobach I.A., Abdullina S.R., Wolf A.A., Dostovalov A.V., Vlasov A.A., Wabnitz S., Babin S.A.

Autors Affiliation: Institute of Automation and Electrometry of the SB RAS, Novosibirsk, Russian Federation; Novosibirsk State University, Novosibirsk, Russian Federation; Dipartimento di Ingegneria dell\’Informazione, Università di Brescia, Brescia, Italy

Abstract: Application of femtosecond point-by-point inscription technique make it possible to form fiber Bragg gratings (FBGs) in different cores of multicore fibers as mirrors of laser cavity. In this paper, we present various configurations of Raman laser based on dual-core fiber. Due to the use of the inscribed FBG in the cavity of dual-core fiber, lasing threshold is reduced and the output power stability is increased, comparing to existing schemes.

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More Information: Ministry of Education and Science of the Russian Federation, Minobrnauka, Y26.31.0017. – This work is supported by Ministry of Education and Science of the Russian Federation (Minobrnauka) (14.Y26.31.0017)
KeyWords: Fiber Bragg gratings; Fiber lasers; Fibers; Raman scattering, Dual-core fibers; Femtosecond laser micromachining; Femtosecond radiation; Fiber Bragg gratings (FBGs); Lasing threshold; Multicore fiber; Output power; Raman fiber lasers, Laser mirrors
DOI: 10.1109/LO.2018.8435619