Open AccessCritical power for self-focusing in bulk media and in hollow waveguides
Author(s) -
Gadi Fibich,
Alexander L. Gaeta
Publication year - 2000
Publication title -
optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.25.000335
Subject(s) - optics , waveguide , power (physics) , self focusing , core (optical fiber) , materials science , refractive index , total internal reflection , self phase modulation , optical power , physics , nonlinear optics , laser beams , laser , quantum mechanics
We determine the threshold power for self-focusing collapse both in a bulk medium and in a hollow-core waveguide for various spatial profiles. We find that the threshold power for collapse in the waveguide is always equal to the lower-bound prediction for a bulk medium.
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