Highly nonlinear single-mode chalcogenide fibres for signal processing

Libin Fu*, Vahid G. Ta'eed, Martin Rochette, Alexander Fuerbach, Iari C M Littler, Mark Pelusi, Michael R E Lamont, Hong C. Nguyen, Klaus Finsterbusch, David J. Moss, Eric C. Mägi, Benjamin J. Eggleton

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review


    Chalcogenide glass based optical waveguides offer many attractive properties in all-optical signal processing because of the large Kerr nonlinearity (up to 420 × silica glass), the associated intrinsic response time of less than 100 fs and low two-photon absorption. These properties together with the convenience of a fiber format allow us to achieve all-optical signal processing at low peak power and in a very compact form. In this talk, a number of non-linear processing tasks will be demonstrated including all-optical regeneration, wavelength conversion and femtosecond pedestal-free pulse compression. In all-optical regeneration, we generate a near step-like power transfer, function using only 2.8 m of fiber. Wavelength conversion is demonstrated over a range of 10 nm using 1 m of fiber with 7 ps pulses, peak power of 2.1 W, and 1.4 dB additional penalty. Finally, we will show efficient compression of low-power 6 ps pulses to 420 fs around 1550 nm in a compact all-fiber scheme. These applications show chalcogenide glass fibers are very promising candidate materials for nonlinear all-optic signal processing.

    Original languageEnglish
    Title of host publicationFiber Lasers IV: Technology, Systems, and Applications
    EditorsDonald J. Harter
    Place of PublicationBellingham, Washington
    Number of pages17
    ISBN (Print)0819465666, 9780819465665
    Publication statusPublished - 2007
    EventFiber Lasers IV: Technology, Systems, and Applications - San Jose, CA, United States
    Duration: 22 Jan 200725 Jan 2007


    OtherFiber Lasers IV: Technology, Systems, and Applications
    CountryUnited States
    CitySan Jose, CA


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