Narrow linewidth short cavity Brillouin random laser based on Bragg grating array fiber and dynamical population inversion gratings
S.M. Popov, O.V. Butov, Y.K. Chamorovski and 5 more
Results in Physics · 2018
doi:10.1016/j.rinp.2018.03.044 (opens in a new tab)
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Abstract
We report on random lasing observed with 100-m-long fiber comprising an array of weak FBGs inscribed in the fiber core and uniformly distributed over the fiber length. Extended fluctuation-free oscilloscope traces highlight power dynamics typical for lasing. An additional piece of Er-doped fiber included into the laser cavity enables a stable laser generation with a linewidth narrower than 10 kHz. Keywords: Brillouin random fiber laser, Fiber Bragg gratings array
Abstract licence: CC BY-NC
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