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High power passively mode-locked fiber laser based on graphene nanocoated optical taper

Abstract :

We experimentally demonstrate a passively mode-locked Er:Yb doped double-clad fiber laser usinga graphene nanocoated optical taper. Averaging 20lm of clad diameter with a length of 6 mm,such a saturable absorber enables a strong light–graphene interaction owing to the evanescent fieldof the excited cladding mode. With the highest pump power of 5 W, the 326th harmonic mode lock-ing of soliton bunches with an average output power of 520 mW was obtained in a fiber ring cavitythat has a fundamental frequency of 1.67 MHz. This is the highest average output power yetreported in graphene-based passively mode-locked fiber lasers.

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https://hal.univ-angers.fr/hal-02572847
Contributeur : Okina Université d'Angers <>
Soumis le : mercredi 13 mai 2020 - 19:33:40
Dernière modification le : mardi 6 octobre 2020 - 10:52:07

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Paul Mouchel, Georges Semaan, Alioune Niang, Mohamed Salhi, Marc Le Flohic, et al.. High power passively mode-locked fiber laser based on graphene nanocoated optical taper. Applied Physics Letters, American Institute of Physics, 2017, 111 (3), pp.031106. ⟨10.1063/1.4994026⟩. ⟨hal-02572847⟩

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