hide
Free keywords:
PHOTONIC-CRYSTAL FIBER; PULSE-COMPRESSION; OPTICAL-FIBERS; TRANSPARENT
MEDIA; IONIZATION; LASER; FIELD; GENERATION; REGIME; ATOMSPhysics;
Abstract:
We identify a novel regime of soliton-plasma interactions in which high-intensity ultrashort pulses of intermediate soliton order undergo coherent plasma-induced fission. Experimental results obtained in gas-filled hollow-core photonic crystal fiber are supported by rigorous numerical simulations. In the anomalous dispersion regime, the cumulative blueshift of higher-order input solitons with ionizing intensities results in pulse splitting before the ultimate self-compression point, leading to the generation of robust pulse pairs with PHz bandwidths. The novel dynamics closes the gap between plasma-induced adiabatic soliton compression and modulational instability.
