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Article Dans Une Revue Optics Letters Année : 2012

Black-light continuum generation in a silica-core photonic crystal fiber

Résumé

We report the observation of a broadband continuum spanning from 350 to 470 nm in the black-light region of the electromagnetic spectrum as a result of picosecond pumping a solid-core silica photonic crystal fiber at 355 nm. This was achieved despite strong absorption and a large normal dispersion of silica glass in the UV. Further investigations reveal that the continuum generation results from the interplay of intermodally phase-matched four-wave mixing and cascaded Raman scattering. We also discuss the main limitations in terms of bandwidth and power due to temporal walk-off, fiber absorption, and the photo darkening effect, and we suggest simple solutions.
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Dates et versions

hal-00708085 , version 1 (03-05-2021)

Identifiants

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T. Sylvestre, A. R. Ragueh, M.W. Lee, B. Stiller, G. Fanjoux, et al.. Black-light continuum generation in a silica-core photonic crystal fiber. Optics Letters, 2012, 37, pp.130-132. ⟨10.1364/OL.37.000130⟩. ⟨hal-00708085⟩
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