Abstract
We demonstrate the fabrication of arsenic- and antimony-free
chalcogenide glasses compatible with glass fiber processing. Optical
fibers with distinct index profiles are presented and characterized,
namely, single-material fibers with or without a suspended core and
standard step-index fibers with varying core diameter. In addition, we
evidence their potential for nonlinear photonic devices in the
mid-infrared spectral region by means of supercontinuum generation
experiments in the femtosecond regime. Spectral broadenings extend on
several octaves in the mid-infrared from 2 to 14 μm.
© 2019 Optical Society of
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