Title :
Parametric down-conversion of higher-order Bessel beams in nonlinear crystals
Author :
Pyragaite, V. ; Piskarskas, A. ; Regelskis, K. ; Smilgevicius, V. ; Stabinis, A. ; Mikalauskas, S.
Author_Institution :
Dept. of Quantum Electron., Vilnius Univ., Lithuania
Abstract :
It is revealed that orbital angular momentum can be conserved within the spontaneous parametric down-conversion of higher-order Bessel beam. A qualitative agreement of theoretical predictions with experimental results is obtained.
Keywords :
angular momentum; laser beams; optical frequency conversion; optical materials; optical parametric devices; higher-order Bessel beams; nonlinear crystal; orbital angular momentum; parametric down-conversion; spontaneous parametric down-conversion; Crystals; Laser excitation; Nonlinear optics; Optical amplifiers; Optical coupling; Optical pumping; Optical vortices; Oscillators; Semiconductor optical amplifiers; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548753
