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Square-wave pulse with ultra-wide tuning range in a passively mode-locked fiber laser

机译:被动锁模光纤激光器中具有超宽调谐范围的方波脉冲

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We report the generation of ultrawide tunable square-wave pulse in an erbium-doped mode-locked fiber laser. The pulse width can be tuned in an ultrawide range of more than 1700 ns by simply increasing the pump power. The pulse-width tuning is 5.1 ns/mW. To the best of our knowledge, this is the widest pulse-width tuning range of any square-wave pulse in an all-fiber passively mode-locked fiber laser. Experimental results show that the fiber nonlinearity plays an important role in the tuning range of the output pulse width. The high nonlinearity helps to increase the tuning range of the pulse width.
机译:我们报告了掺wide锁模光纤激光器中超宽可调方波脉冲的产生。只需增加泵浦功率,就可以在超过1700 ns的超宽范围内调节脉冲宽度。脉冲宽度调整为5.1 ns / mW。据我们所知,这是全光纤无源锁模光纤激光器中任何方波脉冲的最大脉冲宽度调谐范围。实验结果表明,光纤非线性在输出脉冲宽度的调谐范围内起着重要作用。高非线性有助于增加脉冲宽度的调整范围。

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