Numerical analysis of supercontinuum generation in highly nonlinear photonic crystal fibers with ultrashort pulses

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We have numerically investigated supercontinuum generation in photonic crystal fibers with zero-dispersion wavelengths in the vicinity of 800 nm by using an input pulse with a peak power of about 20 kW and a width of about 10 fs. The effects of fiber dispersion and the input pulse parameters on the generated optical spectra are quantitatively analyzed. The propagation length necessary for the generation of a soliton in the anomalous dispersion region is found to depend on the zero-dispersion wavelength of a fiber. For the generation of a sufficiently broad spectrum, the photonic crystal fiber should be longer than the soliton-generation length. In addition, a spectral recoil effect appears when a solitary wave splits the dispersive wave into two parts.
Publisher
Institute of Physics Publishing
Issue Date
2009
Language
English
Article Type
Article
Keywords

GROUP-DISPERSION WAVELENGTH; MODE OPTICAL-FIBERS; CONTINUUM GENERATION; 800 NM; SINGLE; SPECTROSCOPY; OPTIMIZATION; SOLITON

Citation

JOURNAL OF OPTICS A: PURE AND APPLIED OPTICS, v.11, no.12

ISSN
1464-4258
DOI
10.1088/1464-4258/11/12/125101
URI
http://hdl.handle.net/10203/20480
Appears in Collection
PH-Journal Papers(저널논문)
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