Broadband One‐Dimensional Vortex‐Arrays With Singularities up to 5 Generated in a Raman Laser

ABSTRACT One‐dimensional (1D) vortex arrays (VAs) carrying multiple phase singularities arranged linearly have significant promise for applications in flexible multiparticle manipulation, assembly micro‐processing, and optical communications. The broadening of their lasing range and wavelengths significantly enhances their versatility for practical applications. However, 1D‐VAs generated in solid‐state lasers with external cavity methods suffer from instability and inefficiency. Here, we present