Soliton collision and Raman gain regimes in continuous-wave pumped supercontinuum generation

Michael Henoch Frosz, Ole Bang, Anders Overgaard Bjarklev

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Abstract

We numerically investigate supercontinuum generation using continuous-wave pumping. It is found that energy transfer during collision of solitons plays an important role. The relative influence of Raman gain on spectral broadening is shown to depend on the width of the calculation time window. Our results indicate that increasing the spectral linewidth of the pump can decrease the supercontinuum spectral width. Using a fiber with smaller dispersion at the pump wavelength reduces the required fiber length by decreasing the temporal width of the solitons formed from modulation instability. This also reduces the sensitivity to the pump spectral linewidth.
Original languageEnglish
JournalOptics Express
Volume14
Issue number20
Pages (from-to)9391-9407
ISSN1094-4087
DOIs
Publication statusPublished - 2006

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