Cascaded third-harmonic generation of an optical orbitalangular-momentum state through quasi-phase matching

Authors :: Xinyuan Fang
Zhida Gao
Dunzhao Wei
Yong Zhang
Xiaopeng Hu
Yan-Yan Song
Gang Zhao
Dan Wei
Rui Ni
Shining Zhu
Min Xiao
Source :: Nonlinear Optics.
Publication Year :: 2017
Publisher :: OSA, 2017.
Abstract: We report the cascaded conversion of orbital-angular-momentum (OAM) states through quasi-phase-matching (QPM) in 1D and 2D periodically poled LiTaO3 crystals. Multiple OAM modes with different colors are simultaneously generated by QPM second- and third-harmonic generations.

Subjects :: 010302 applied physics
Physics
Quasi-phase-matching
Sum-frequency generation
Physics::Optics
02 engineering and technology
State (functional analysis)
021001 nanoscience & nanotechnology
01 natural sciences
Momentum
Quantum electrodynamics
0103 physical sciences
Vortex beam
Light beam
Third harmonic
0210 nano-technology
Phase matching

Tools