Abstract
We report on a high-power 960-fs subpicosecond pulse generation from a passively mode-locked ytterbium-doped large-mode-area photonic crystal fiber oscillator in the all-normal dispersion regime. Stable and self-starting operation is obtained by exploiting an efficient combination of a high modulation depth semiconductor saturable absorber mirror and the nonlinear polarization evolution mode-locking mechanism. In the single-pulse regime, the laser directly generates the output power of 3.15 W at the repetition rate of 83.7 MHz, corresponding to the pulse energy of 37 nJ. The center wavelength is 1,030 nm with the spectral bandwidth of 8 nm at the maximum output power. The output characteristics of the oscillator are discussed carefully.
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This work was supported by the National Natural Science Foundation of China under Grants (61205047).
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Li, P., Zhao, Z., Zhang, M. et al. Subpicosecond SESAM and nonlinear polarization evolution hybrid mode-locking ytterbium-doped fiber oscillator. Appl. Phys. B 118, 561–566 (2015). https://doi.org/10.1007/s00340-015-6036-x
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DOI: https://doi.org/10.1007/s00340-015-6036-x