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Opt Express. 2004 Jul 12;12(14):3137-43.

Ultra-low threshold supercontinuum generation in sub-wavelength waveguides.

Abstract

We show that optical waveguides with sub-wavelength transverse dimensions optimize the effective nonlinearity and provide desireable dispersive properties for generating supercontinuum with ultra-low threshold power. Using a tapered small-core microstructured fiber with a sub-wavelength diameter core, we generate an octave-spanning supercontinuum with 250 pJ pulses from a femtosecond modelocked Ti:sapphire oscillator.

PMID:
19483834
[PubMed]
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