Geometric phase associated with Poincaré beams due to unfolding of fractional optical vortex beams

Satyajit Maji, Aswini K. Pattanayak, Maruthi M. Brundavanam

Optical vortex beam of fractional order is generated by the diffraction of a Gaussian beam using computer generated hologram embedded with mixed screw-edge dislocation. Unfolding o…