Enhancement of Supercontinuum Spectrum Generation in a Dispersion-Decreasing Fibre with a Concave Dispersion Profile
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Abstract
A new approach is proposed to enhance supercontinuum (SC) spectrum generation in A dispersion-decreasing optical fibre with a new dispersion profile. The chromatic dispersion D(λ,z) is a concave function of wavelengths and has no zero-dispersion wavelengths over the whole or part of the fibre as D(λ,z) is positive. A flatter and much broader spectrum can be produced based on the scheme. The general criteria parameters are obtained for characterizing SC shapes in the optical fibres.
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