Generation of 207-femtosecond pulses from a ytterbium figure-of-eight fibre laser |
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Authors: | Zhao Wei Zhang Wei Ma Hai-Quan Liu Chang Chen Guo-Fu and Lu Ke-Qing |
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Affiliation: | State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710068, China |
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Abstract: | We report the generation of 207-fs pulses with 1.2mW average power
at 1036nm directly from a passively mode-locked Yb-doped fibre
laser with a nonlinear optical loop mirror for mode-locking and pairs
of diffraction gratings for intracavity dispersion compensation.
These results imply a 4-fold reduction in pulse duration over
previously reported figure-of-eight cavity passively mode-locked
Yb-doped fibre lasers. Stable pulse trains are produced at the
fundamental repetition rate of the resonator, 24.0MHz. On the other
hand, this laser offers a cleaner spectrum and greater stability and
is completely self-starting. |
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Keywords: | fibre laser and amplifiers ultrafast optical techniques nonlinear optics |
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