Highly nonlinear single-mode chalcogenide fibers for signal processing

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

doi:10.1117/12.717377

21 February 2007 Highly nonlinear single-mode chalcogenide fibers for signal processing

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

Author Affiliations +

Proceedings Volume 6453, Fiber Lasers IV: Technology, Systems, and Applications; 64531N (2007) https://doi.org/10.1117/12.717377
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

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.

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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, and Benjamin J. Eggleton "Highly nonlinear single-mode chalcogenide fibers for signal processing", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64531N (21 February 2007); https://doi.org/10.1117/12.717377

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KEYWORDS

Dispersion

Selenium

Chalcogenides

Picosecond phenomena

Scanning probe microscopy

Fiber Bragg gratings

Silica

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