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Article Dans Une Revue Journal of the Optical Society of America B Année : 2022

Tunable ultra-fast infrared generation in a gas-filled hollow core capillary by a four-wave mixing process

Résumé

In this manuscript, we numerically and experimentally investigated the four-wave mixing process in a gas filled hollowcore capillary in the femtosecond regime. The interaction between a visible broad-band continuum and a chirped pump pulse resulted to the generation of a tunable near infrared pulse of 1.2 to 1.5 µm, and with the potentiality to reach the mid-infrared range. Numerical simulations were performed in order to fully understand the role of key parameters such as the gas pressure, chirps and relative delays of the involved pulses. The experimentation which demonstrated and highlighted the feasibility of the tunable femtosecond source, led to the generation of an idler at 1.2 µm with a duration of ~220 fs at the direct output of the capillary. The duration can ultimately be reduced to 45 fs in the presence of phase compensators.
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Dates et versions

hal-03558771 , version 1 (04-02-2022)

Identifiants

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Olivia Zurita-Miranda, Coralie Fourcade-Dutin, Frederic Fauquet, Frederic Darracq, Jean-Paul Guillet, et al.. Tunable ultra-fast infrared generation in a gas-filled hollow core capillary by a four-wave mixing process. Journal of the Optical Society of America B, 2022, 39 (3), pp.662. ⟨10.1364/JOSAB.444574⟩. ⟨hal-03558771⟩
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