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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 10,
  • Issue 12,
  • pp. 121403-121403
  • (2012)

Diode-pumped passively mode-locked femtosecond Yb:(Y0.9La0.1)2O3 ceramic laser

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Abstract

We experimentally demonstrate a diode-pumped passively mode-locked femtosecond laser with Yb<sup>3+</sup>-doped yttrium lanthanum oxide ceramic. Mode-locking is achieved by using a semiconductor saturable absorber mirror, and intracavity dispersion is compensated by a pair of SF6 prisms. Laser pulses as short as 357 fs at a central wavelength of 1 075 nm are obtained. The maximum average output power is 670 mW under 4.5 W of pumping power with a slope efficiency of 20%. To the best of our knowledge, this is the shortest pulse generated from Yb-doped yttrium lanthanum oxide ceramic lasers with a sub-500 fs pulse duration.

© 2012 Chinese Optics Letters

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