Narrow linewidth random laser based on short Er-doped artifice Rayleigh fiber

Sergei M. Popov; Oleg V. Butov; Alexey P. Bazakutsa; Mikhail Yu. Vyatkin; Yuri K. Chamorovskiy; Krassimir Panajotov; Andrei A. Fotiadi

doi:10.1117/12.2557818

1 April 2020 Narrow linewidth random laser based on short Er-doped artifice Rayleigh fiber

Sergei M. Popov, Oleg V. Butov, Alexey P. Bazakutsa, Mikhail Yu. Vyatkin, Yuri K. Chamorovskiy, Krassimir Panajotov, Andrei A. Fotiadi

Author Affiliations +

Proceedings Volume 11357, Fiber Lasers and Glass Photonics: Materials through Applications II; 113571Q (2020) https://doi.org/10.1117/12.2557818
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

We report on random lasing observed with 5-m-long Er-doped fiber comprising an array of weak fiber Bragg gratings (FBGs) inscribed in the fiber core and uniformly distributed over the whole fiber length. The laser design ensures domination of dynamical population inversion grating over the FBGs in total distributed feedback enabling laser stabilization and nonlinear laser line filtering of the natural laser Lorentzian linewidth down to sub-300-Hz range, both observed in the experiment.

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Sergei M. Popov, Oleg V. Butov, Alexey P. Bazakutsa, Mikhail Yu. Vyatkin, Yuri K. Chamorovskiy, Krassimir Panajotov, and Andrei A. Fotiadi "Narrow linewidth random laser based on short Er-doped artifice Rayleigh fiber", Proc. SPIE 11357, Fiber Lasers and Glass Photonics: Materials through Applications II, 113571Q (1 April 2020); https://doi.org/10.1117/12.2557818

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