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  • Title: White light supercontinuum generation in a Y-shaped microstructured tapered fiber pumped at 1064 nm.
    Author: Cascante-Vindas J, Díez A, Cruz JL, Andrés MV.
    Journal: Opt Express; 2010 Jul 05; 18(14):14535-40. PubMed ID: 20639938.
    Abstract:
    We report the generation of supercontinuum in a Ge-doped Y-shape tapered fiber pumped at 1064 nm in the ns pump regime. The taper was designed to have long taper transitions and a taper waist with a core diameter of 0.9 mum. The large air-filling fraction and diameter of the air-hole microstructure reduces the confinement loss at long wavelengths so, enabling the extension of the spectrum to longer wavelengths. Along the taper transition the zero-dispersion wavelength decreases as the diameter of the taper becomes smaller. The spectral components generated along the taper transition pump the taper waist, enhancing the generation of short wavelengths. A flat spectrum spanning from 420 nm to 1850 nm is reported.
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