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Proceedings Paper

Vortex nucleation and evolution in parametric wave mixing
Author(s): Gabriel Molina-Terriza; Lluis Torner
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Paper Abstract

We show the dynamics of evolution of screw phase-dislocations existing in the wave front of Gaussian beam 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, width and intensity of the pump and seed signals, as well as on the propagation length inside the crystal.

Paper Details

Date Published: 30 May 2001
PDF: 8 pages
Proc. SPIE 4403, Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications, (30 May 2001); doi: 10.1117/12.428270
Show Author Affiliations
Gabriel Molina-Terriza, Univ. Politecnica de Catalunya (Spain)
Lluis Torner, Univ. Politecnica de Catalunya (Spain)


Published in SPIE Proceedings Vol. 4403:
Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications
Marat S. Soskin; Mikhail V. Vasnetsov, Editor(s)

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