Abstract
The spectral characterization of mid-infrared supercontinuum generation (SC) is studied in a highly nonlinear suspended-core As2S3 microstructure optical fiber pumped by different laser sources (The pulse duration can be ranged from femtosecond to picosecond). Spectra from 1 to 6.5 μm are obtained by using picosecond pulse. The SC generation has been analyzed with different pumping wavelengths. It has been demonstrated that the longer wavelength can be broadened to 7 μm. When the pumping wavelength is around 2.3 μm (near the zero dispersion wavelength), a flat SC spectrum is obtained. We expect these results will help to design a flat mid-infrared SC in real experimental work.
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