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Updated: Feb 26, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
PHz-Wide Spectral Interference Through Coherent Plasma-Induced Fission of Higher-Order Solitons
F Köttig1, F Tani1, J C Travers1,2
1Max Planck Institute for the Science of Light, Staudtstrasse 2, 91058 Erlangen, Germany.
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.
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