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Proceedings Paper

Highly nonlinear single-mode chalcogenide fibers for signal processing
Author(s): Libin Fu; Vahid G. Ta'eed; Martin Rochette; Alexander Fuerbach; Ian C. M. Littler; Mark Pelusi; Michael R. E. Lamont; Hong C. Nguyen; Klaus Finsterbusch; David J. Moss; Eric C. Mägi; Benjamin J. Eggleton
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Paper Abstract

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.

Paper Details

Date Published: 21 February 2007
PDF: 11 pages
Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64531N (21 February 2007); doi: 10.1117/12.717377
Show Author Affiliations
Libin Fu, Univ. of Sydney (Australia)
Vahid G. Ta'eed, Univ. of Sydney (Australia)
Martin Rochette, Univ. of Sydney (Australia)
Alexander Fuerbach, Univ. of Sydney (Australia)
Ian C. M. Littler, Univ. of Sydney (Australia)
Mark Pelusi, Univ. of Sydney (Australia)
Michael R. E. Lamont, Univ. of Sydney (Australia)
Hong C. Nguyen, Univ. of Sydney (Australia)
Klaus Finsterbusch, Univ. of Sydney (Australia)
David J. Moss, Univ. of Sydney (Australia)
Eric C. Mägi, Univ. of Sydney (Australia)
Benjamin J. Eggleton, Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 6453:
Fiber Lasers IV: Technology, Systems, and Applications
Donald J. Harter; Andreas Tünnermann; Jes Broeng; Clifford Headley, Editor(s)

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