Generation of coupled orbital angular momentum modes from an optical vortex parametric laser source
Optics
2019-12-11 v1 Quantum Physics
Abstract
We report on the generation of flower (wheel) modes, which manifest coupled orbital angular momentum (OAM) modes, from a vortex pumped optical parametric oscillator simply by employing a pump source with a short temporal coherence time. This vortex oscillator was also developed to generate a further higher-order vortex signal output with by replacement of the pump source with a longer coherence time. The signal and idler outputs were tuned within wavelength ranges of 745-955 nm and 1200-1855 nm, respectively. The maximum signal output energy of 1.2 mJ was measured with an optical efficiency of 15.6%.
Cite
@article{arxiv.1912.04624,
title = {Generation of coupled orbital angular momentum modes from an optical vortex parametric laser source},
author = {Roukuya Mamuti and Shunsuke Goto and Katsuhiko Miyamoto and Takashige Omatsu},
journal= {arXiv preprint arXiv:1912.04624},
year = {2019}
}