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Smart Q-switching for single-pulse generation in an erbium-doped fiber laser

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Valencià Castellano

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Smart Q-switching for single-pulse generation in an erbium-doped fiber laser

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Escalante-Zarate, L.; Barmenkov, Yuri O.; Kolpakov, Stanislav A.; Cruz Muñoz, José Luis; Andrés, Miguel V.

Aquest document és un/a article, creat/da en: 2012

In this paper, we report an active Q-switching of an erbiumdoped fiber laser with special modulation functions and novel laser geometry. We experimentally demonstrate that using such a smart Q-switch approach, Q-switch ripple-free pulses with Gaussian-like shape and 17.3 ns width can be easily obtained. The idea behind the smart Q-switch is to suppress one of two laser waves contra-propagating along the fiber cavity, which arises after Q-cell opening, and to eliminate the minor sub-pulses.

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