Abstract

A chalcogenide-tellurite hybrid microstructured optical fiber is designed and fabricated by the rod-in-tube drawing technique. The core is made of chalcogenide glass with a composition of 15Ge-3Ga-12Sb-70S (atm%, GGSS) and the cladding is made of tellurite glass with a composition of 78TeO2-5ZnO-12Li2O-5Bi2O3 (mol%, TZLB). The loss is ∼1.1 dB/m at ∼2.0 μm. Zero dispersion wavelength of the HMOF is shifted down to ∼2370 nm from GGSS material dispersion ∼4600 nm. Supercontinuum (SC) generation is investigated by pumping a 1-cm-long HMOF with the wavelengths of ∼2000, 2300, and 2600 nm from a tunable optical parametric amplifier system. Flattened and broadband SC generation from ∼950 to 3350 nm with the intensity flatness of 6 dB bandwidth is obtained with the peak power of ∼40 MW at the wavelength of ∼2300 nm.

© 2014 IEEE

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