Chirped-pulse supercontinuum generation with a long-cavity Ti:sapphire oscillator |
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| Authors: | P. Dombi P. Antal J. Fekete R. Szipőcs Z. Várallyay |
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| Affiliation: | 1.Dept. for Laser Physics,Research Institute for Solid-State Physics and Optics,Budapest,Hungary;2.Institut für Photonik,Technische Universit?t Wien,Wien,Austria;3.Dept. for Laser Applications,Research Institute for Solid-State Physics and Optics,Budapest,Hungary;4.Furukawa Electric Institute of Technology Ltd.,Budapest,Hungary |
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| Abstract: | We demonstrate chirped-pulse supercontinuum generation in a conventional fibre with a relatively narrowband, long-cavity, chirped-pulse Ti:sapphire oscillator delivering 200 nJ pulses. The inherent chirp of the outcoupled pulses were overcompensated by a 4-prism compressor to overcome damage threshold problems at the fibre entrance. The resulting fibre output spectrum corresponds to a pulse length of 7 fs in the transform-limit. The experimentally observed highly efficient spectral broadening process of negatively chirped pulses in the fibre is supported by simulation data. PACS 42.65.Re |
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