Ultrabroadband, Midinfrared Supercontinuum Generation in Dispersion Engineered As₂Se₃-Based Chalcogenide Photonic Crystal Fibers

Figure 3

Output spectra for Λ= 3.5 μm (top), 4.5 μm (middle), and 5.5 μm (bottom). The input pulse has a FWHM of 160 fs and a peak power of 1 kW.