Abstract
This work presents a numerical investigation of the self-steepening
(SS) effect on the soliton spectral tunneling (SST) effect in a photonic
crystal fiber (PCF) with three zero dispersion wavelengths. Interestingly,
the spectral range and flatness can be flexibly tuned by adjusting the SS
value. When the SS coefficient increases, the energy between solitons and
dispersion waves is redistributed, and the red-shifted soliton forms
earlier in the region of long wavelength anomalous dispersion. As a
consequence, the SST becomes more obvious. The findings of this work
provide interesting insights in regard to the impact of the SST effect on
tailored supercontinuum generation.
© 2018 Chinese Laser Press
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