Developing single-mode tellurite glass holey fiber for infrared nonlinear applications

Feng, Xian, Flanagan, Joanne C., Frampton, Ken E., Petropoulos, Periklis, White, Nicholas M., Price, Jonathan H.V., Loh, Wei H., Rutt, Harvey N. and Richardson, David J. (2008) Developing single-mode tellurite glass holey fiber for infrared nonlinear applications. Advances in Science and Technology, 55, 108-117. (doi:10.4028/www.scientific.net/AST.55.108).

Abstract

We review our progress in developing single-mode tellurite glass holey fiber for infrared nonlinear applications. Tellurite glass preforms with complex holey structure were fabricated by using glass extrusion technique. The fabrication of single-mode tellurite holey fibers with the effective mode area ranging from 2.6-3000 µm² and the effective nonlinearity gamma ranging from 0.23-280 W-1km-1 were demonstrated. By controlling the microstructured features in the holey cladding, the dispersion profile and the zero dispersion wavelength of this type of single-material optical fiber were tailored within a broad range. Broadband supercontinuum spectra from 0.9 to 2.5µm were generated from the fabricated fibers by using femtosecond laser. Attenuations due to the impurities, such as transition metal ions, rare-earth ions and hydroxyl groups, were also investigated in the bulk tellurite glass and fiber from visible to mid-infrared regimes.

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Contributors

Author: Periklis Petropoulos

Author: Jonathan H.V. Price

Author: David J. Richardson

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