Open AccessDesign of a photonic crystal fiber for phase-matched frequency doubling or tripling
Author(s) -
Aurelie Bétourné,
Yves Quiquempois,
Géraud Bouwmans,
M. Douay
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.014255
Subject(s) - optics , photonic crystal fiber , photonic crystal , phase matching , wavelength , refractive index , second harmonic generation , photonics , phase (matter) , total internal reflection , microstructured optical fiber , materials science , optoelectronics , optical fiber , physics , graded index fiber , fiber optic sensor , laser , quantum mechanics
We report on a possible phase matching between two fundamental modes guided in an appropriately designed photonic crystal fiber. The phase index matching condition can be perfectly fulfilled for second or third harmonic generation and for wavelengths over a large spectral range, simply by tuning the lattice pitch. This can be achieved in such a structure thanks to the coexistence of total internal reflection and photonic bandgap guidance, leading to two different dispersive behaviours for the fundamental and the harmonic waves.