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Mode-hopping suppression in long Brillouin fiber laser with non-resonant pumping

Abstract : We propose a reliable method for stabilizing narrow linewidth Brillouin fiber lasers with non-resonant pumping. Mode-hopping is suppressed by means of a phase-locked loop that locks the pump-Stokes detuning to a local radio-frequency (RF) oscillator. Stable single-mode operation of a 110-m-long Brillouin fiber laser oscillating at 1.55 mu m is demonstrated for several hours. The beat note between two independent Stokes waves presents a phase noise level of -60 dBc/Hz at 100 Hz with a -20 dB/decade slope, and a FWHM linewidth lower than 50 Hz. (C) 2016 Optical Society of America
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01343401
Contributor : Laurent Jonchère <>
Submitted on : Friday, July 8, 2016 - 1:28:58 PM
Last modification on : Wednesday, October 21, 2020 - 3:41:40 AM

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Gwennaël Danion, Ludovic Frein, Denis Bacquet, Grégoire Pillet, Stéphanie Molin, et al.. Mode-hopping suppression in long Brillouin fiber laser with non-resonant pumping. Optics Letters, Optical Society of America - OSA Publishing, 2016, 41 (10), pp.2362--2365. ⟨10.1364/OL.41.002362⟩. ⟨hal-01343401⟩

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