Widely tunable mid-infrared wavelength converters based on chalcogenide microwires

We demonstrate all-fiber and widely tunable mid-infrared wavelength converters using As
₂
Se
₃
microwires cladded with fluorine-based Cyclic Transparent Optical Polymer. Normal dispersion parametric processes are utilized to achieve far-detuned wavelength conversion of 49.3 THz, representing the largest frequency shift reported in soft glass materials.