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Article Dans Une Revue Fibers Année : 2021

Mid-infrared ultra-short pulse generation in a gas filled hollow-core fiber pumped by two pulses

Résumé

We show that ultra-short pulses can be generated in the mid-infrared when a gas filled hollow-core fiber is pumped by a fundamental pulse and its second harmonic. The generation process originates from cascaded nonlinear phenomenon starting from a spectral broadening of the two pulses followed by an induced phase-matched four wave-mixing lying in the mid-infrared combined with a dispersive wave. By selecting this mid-infrared band with a spectral filter, we demonstrate the generation of ultra-short 60 fs pulses at 3-4 µm band and a pulse duration of 20 fs can be reached with additional phase compensator.
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Dates et versions

hal-03194763 , version 1 (09-04-2021)

Identifiants

Citer

Coralie Fourcade-Dutin, Olivia Zurita Miranda, Patrick Mounaix, Damien Bigourd. Mid-infrared ultra-short pulse generation in a gas filled hollow-core fiber pumped by two pulses. Fibers, 2021, 9 (4), pp.21. ⟨10.3390/fib9040021⟩. ⟨hal-03194763⟩
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