Physics – Optics
Scientific paper
2012-04-09
Physics
Optics
5 pages, 4 figures
Scientific paper
We study theoretically the propagation of relatively long pulses with ionizing intensities in a hollow-core photonic crystal fiber filled with a Raman-inactive gas. Due to photoionization, previously unknown types of asymmetric self-phase modulation and `universal' modulational instabilities existing in both normal and anomalous dispersion regions appear. We also show that it is possible to spontaneously generate a plasma-induced continuum of blueshifting solitons, opening up new possibilities for pushing supercontinuum generation towards shorter and shorter wavelengths.
Biancalana Fabio
Chang Wonkeun
Russell Philip St. J.
Saleh Mohammed F.
Travers John C.
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