High power supercontinuum generation in a nonlinear ytterbium-doped fiber amplifier.

  title={High power supercontinuum generation in a nonlinear ytterbium-doped fiber amplifier.},
  author={Rui Song and Jing Hou and Shengping Chen and Weiqiang Yang and Qisheng Lu},
  journal={Optics letters},
  volume={37 9},
High power supercontinuum generation with 70 W average output power in a nonlinear ytterbium-doped fiber amplifier is demonstrated using all-normal dispersion, all-fiber master oscillator power amplifier configuration. The supercontinuum covers from 1064 nm to beyond 1700 nm with spectral flatness better than 12 dB and 67.3% optical to optical conversion efficiency. The almost uniform spectral power density across the whole continuum is more than 70 mW/nm and the nanosecond bursts output have… CONTINUE READING
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