Y Yu,
B Zhang, X Gai, C Zhai, S Qi, W Guo,
Z Yang… - Optics letters, 2015 - opg.optica.org
By pumping an 11-cm-long step-index chalcogenide fiber with∼ 330 fs pulses at 4.0 μm
from an optical parametric amplifier, mid-infrared supercontinuum generation spanning …