Abstract

We present simulation results for supercontinuum generation using ${\mathrm{As}}_2{\mathrm{S}}_3$ chalcogenide photonic crystal fibers. We found that more than 25% of input power can be shifted into the region between $3\mathrm{\mu m}$ and $5\mathrm{\mu m}$ using a pump wavelength of $2\mathrm{\mu m}$ with a peak power of $1\mathrm{kW}$ and an FWHM of $500\mathrm{fs}$. The broad dispersion profile and high nonlinearity in ${\mathrm{As}}_2{\mathrm{S}}_3$ chalcogenide glass are essential for this application.

© 2010 Optical Society of America

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