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  • Title: Nonlinear photonic crystal fiber with a structured multi-component glass core for four-wave mixing and supercontinuum generation.
    Author: Tombelaine V, Labruyère A, Kobelke J, Schuster K, Reichel V, Leproux P, Couderc V, Jamier R, Bartelt H.
    Journal: Opt Express; 2009 Aug 31; 17(18):15392-401. PubMed ID: 19724537.
    Abstract:
    We report about a new type of nonlinear photonic crystal fibers allowing broadband four-wave mixing and supercontinuum generation. The microstructured optical fiber has a structured core consisting of a rod of highly nonlinear glass material inserted in a silica tube. This particular structure enables four wave mixing processes with very large frequency detuning (>135 THz), which permitted the generation of a wide supercontinuum spectrum extending over 1650 nm after 2.15 m of propagation length. The comparison with results obtained from germanium-doped holey fibers confirms the important role of the rod material properties regarding nonlinear process and dispersion.
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