Journal
OPTICS EXPRESS
Volume 28, Issue 2, Pages 2557-2571Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.382158
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Funding
- Deutsche Forschungsgemeinschaft [SCHM2655/11-1, SCHM2655/12-1, SCHM2655/8-1]
- H2020 Marie Sklodowska-Curie Actions [713694]
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Supercontinuum generation is a key process for nonlinear tailored light generation and strongly depends on the dispersion of the underlying waveguide. Here we reveal the nonlinear dynamics of soliton-based supercontinuum generation in case the waveguide includes a strongly dispersive resonance. Assuming a gas-filled hollow core fiber that includes a Lorentzian-type dispersion term, effects such as multi-color dispersive wave emission and cascaded four-wave mixing have been identified to be the origin of the observed spectral broadening, greatly exceeding the bandwidths of corresponding non-resonant fibers. Moreover, we obtain large spectral bandwidth at low soliton numbers, yielding broadband spectra within the coherence limit. Due to the mentioned advantages, we believe the concept of resonance-enhanced supercontinuum generation to be highly relevant for future nonlinear light sources. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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