Terahertz circular Airy beams carrying power-exponent-phase vortices

We numerically generate the terahertz circular Airy beams(THz-CABs) with the power-exponent-phase(PEP) vertices. We demonstrate the combination of the PEP vertices and THz-CABs for the extension application of PEP vertices. At the same time, the light path of THz-CABs will be more compact and simpler compared with the optical one.