Fractional orbital angular momentum conversion in second-harmonic generation with an asymmetric perfect vortex beam

This Letter demonstrates the nonlinear conversion of asymmetric perfect vortex (APV) beams with fractional orbital angular momentum (OAM). ...

Source: Optics Letters - July 2, 2021 Category: Physics Authors: Kunjian Dai J. Keith Miller Wenzhe Li Richard J. Watkins Eric G. Johnson Source Type: research