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Multicharged vortex evolution in seeded second-harmonic generation

Author
Molina, G.; Torner, L.
Type of activity
Journal article
Journal
Journal of the Optical Society of America B. Optical physics
Date of publication
2000-07
Volume
17
Number
7
First page
1197
Last page
1204
DOI
https://doi.org/10.1364/JOSAB.17.001197 Open in new window
Repository
http://hdl.handle.net/2117/98497 Open in new window
URL
https://www-osapublishing-org/josab/abstract.cfm?uri=josab-17-7-1197 Open in new window
Abstract
We show the dynamics of the evolution of screw phase dislocations in the wave fronts of Gaussian beams with nested multiple-charged vortices that propagate in quadratic nonlinear crystals under conditions for seeded second-harmonic generation. The number of existing vortices is shown to depend on the input light and material conditions, including the topological charge, the width and intensity of the pump and seed signals, and the propagation length inside the crystal. A closed-form model, which...
Citation
Molina, G., Torner, L. Multicharged vortex evolution in seeded second-harmonic generation. "Journal of the Optical Society of America B. Optical physics", Juliol 2000, vol. 17, núm. 7, p. 1197-1204.
Group of research
FOTONICA - Photonics Research Group

Participants