Multi-milliwatt mid-infrared supercontinuum generation in a suspended core chalcogenide fiber
A low-loss suspended core As<sub>38</sub>Se<sub>62</sub> fiber with core diameter of 4.5 μm and a zero-dispersion wavelength of 3.5 μm was used for mid-infrared supercontinuum generation. The dispersion of the fiber was measured from 2.9 to 4.2 μm and was in good correspondence with the calculated dispersion. An optical parametric amplifier delivering 320 fs pulses with a peak power of 14.8 kW at a repetition rate of 21 MHz was used to pump 18 cm of suspended core fiber at different wavelengths...[Show more]
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