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A highly nonlinear W-type erbium-doped fibre with high dopant concentration made of three lead silicate glass materials (Schott SF57, LLF1 and SF6) is presented. The fibre is designed to have a flat anomalous dispersion at ∼1.55 μm, which is critical for enhancing parametric wavelength conversion. With this fibre, signals at ∼ 1.55 μm are successfully amplified in continuous-wave and pico-second-pulsed...
We report on the fabrication of a solid one-dimensional microstructured fiber with high nonlinearity and low dispersion at 1.55 mum. A four-wave-mixing based tunable wavelength-conversion scheme was experimentally demonstrated in just 1.5 m of this fiber.
We demonstrate the production of a well depleted mid-IR continuum with a spectral range between ~0.9 - 2.5 mum using a tellurite wagon wheel microstructured fiber and a pump source at 1.5 mum.
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