Author:Roux, FSDate:Jan 2011Orbital angular momentum (OAM) entangled bi-photons are a resource for the higher dimensional implementation of quantum cryptography, which allows secure communication over various channels. In the case where free-space is used as communication ...Read more
Author:Roux, FSDate:Feb 2014This presentation discusses the vitality of optical vortices to distinguish between vortex dipole creation and annihilation events. Vitality is expressed in terms of the transverse 1st and 2nd order derivatives of the optical field. It can ...Read more