Title :
Parametric frequency conversion of optical vortices
Author :
Matijosius, A. ; Piskarskas, A. ; Smilgevicius, Valerijus ; Stabinis, A.
Author_Institution :
Laser Res. Center, Vilnius Univ., Lithuania
Abstract :
Summary form only given. It is demonstrated that walk-off essentially changes the dynamics of optical vortex interaction in sum-frequency mixing in nonlinear crystals. The walk-off breaks the interaction symmetry and various phenomena of vortex interaction may be observed. They include the decay of higher order vortex into singly charged vortices, particle-like interaction of vortices as pulling and pushing, an appearance of the pairs of vortices having opposite topological charges in the case of fundamental wave depletion.
Keywords :
optical frequency conversion; light wave singularity; optical vortex; parametric frequency conversion; sum-frequency mixing; walk-off; Crystals; Frequency conversion; Laser beams; Laser excitation; Laser stability; Nonlinear optics; Optical distortion; Optical harmonic generation; Optical mixing; Optical vortices;
Conference_Titel :
Lasers and Electro-Optics, 1999. CLEO '99. Summaries of Papers Presented at the Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-595-1
DOI :
10.1109/CLEO.1999.834225
