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Opt Express. 2011 Aug 29;19(18):17632-40. doi: 10.1364/OE.19.017632.

Broad-range self-sweeping of a narrow-line self-pulsing Yb-doped fiber laser.

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  • 1Institute of Automation and Electrometry SB RAS, Novosibirsk, Russia. lobach_ivan@ngs.ru


The effect of broad-range (16 nm) self-sweeping of a narrow-line (less than 1 pm) Yb-doped fiber laser has been demonstrated experimentally. It is found that the effect arises from the self-sustained relaxation oscillations. As a result, the sweeping rate increases as square root of the laser power and decreases with increasing cavity length. Based on these results we propose a model describing dynamics of the laser frequency. The model takes into account the effects of gain saturation at the laser transition and spatial hole burning in the self-pulsing regime.

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