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Influence of ionization on ultrafast gas-based nonlinear fiber optics
W Chang1, A Nazarkin, J C Travers
1Max Planck Institute for the Science of Light, Guenther-Scharowsky-Strasse 1, 91058 Erlangen, Germany. wonkeun.chang@mpl.mpg.de
Abstract:
We numerically investigate the effect of ionization on ultrashort high-energy pulses propagating in gas-filled kagomé-lattice hollow-core photonic crystal fibers by solving an established uni-directional field equation. We consider the dynamics of two distinct regimes: ionization induced blue-shift and resonant dispersive wave emission in the deep-UV. We illustrate how the system evolves between these regimes and the changing influence of ionization. Finally, we consider the effect of higher ionization stages.
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