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Article Dans Une Revue Optics Letters Année : 2023

Multi-octave mid-infrared supercontinuum generation in tapered chalcogenide-glass rods

Résumé

We report on the experimental development of short-tapered chalcogenide-glass rods for mid-infrared supercontinuum generation. Multi-octave spectral broadening of femtosecond laser pulses is demonstrated from 1.6 to 15.6 µm in a 5-cm-long tapered Ge 20 Se 70 Te 10 rod with a waist diameter of 25 µm. Despite the multimode nature of the optical waveguide used, this work clearly shows the potential of such simple post-processed rods for advancing fiber SC sources with infrared glasses, thereby unlocking new possibilities in terms of coupling efficiency, spectral coverage, and output power.
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Dates et versions

hal-04279291 , version 1 (10-11-2023)

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Citer

Esteban Serrano, Damien Bailleul, Frédéric Désévédavy, Grégory Gadret, Pierre Mathey, et al.. Multi-octave mid-infrared supercontinuum generation in tapered chalcogenide-glass rods. Optics Letters, 2023, 48 (21), pp.5479. ⟨10.1364/OL.501036⟩. ⟨hal-04279291⟩
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