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Opt Express. 2008 Sep 15;16(19):14435-47.

Visible supercontinuum generation in photonic crystal fibers with a 400 W continuous wave fiber laser.

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  • 1Physics Department, Femtosecond Optics Group, Prince Consort Road, Imperial College, London SW7 2AZ, UK.


We demonstrate continuous wave supercontinuum generation extending to the visible spectral region by pumping photonic crystal fibers at 1.07 microm with a 400 W single mode, continuous wave, ytterbium fiber laser. The continuum spans over 1300 nm with average powers up to 50 W and spectral power densities over 50 mW/nm. Numerical modeling and understanding of the physical mechanisms has led us to identify the dominant contribution to the short wavelength extension to be trapping and scattering of dispersive waves by high energy solitons.

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