Supercontinuum generation in all-normal dispersion photonic crystal fiber
2013
A kind of lead silicate Photonic crystal fiber (PCF) has been proposed in this paper. The dispersion characteristic
of this SF57 PCF are studied by the finite element method. The reasults demonstrate that the PCF presents
all-normal dispersion profiles in the visible and infrared spectral regions. We use an adaptive split-step Fourier
method to study the propagation of the 1550 nm and 150 fs laser pulse in the PCF .The resulting spectral profiles
are extremely flat from 1300 nm to 1900 nm and with excellent stability and coherence properties.
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