Ultra-low threshold supercontinuum generation in sub-wavelength waveguides | Zendy

Mark A. Foster | Zendy; Alexander L. Gaeta | Zendy

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Ultra-low threshold supercontinuum generation in sub-wavelength waveguides

Author(s) -

Mark A. Foster,

Alexander L. Gaeta

Publication year - 2004

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.003137

Subject(s) - supercontinuum , optics , materials science , femtosecond , self phase modulation , wavelength , core (optical fiber) , sapphire , octave (electronics) , nonlinear optics , optoelectronics , photonic crystal fiber , laser , physics

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.

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