V
V. A. Pas’ko
Researcher at National Academy of Sciences of Ukraine
Publications - 19
Citations - 2660
V. A. Pas’ko is an academic researcher from National Academy of Sciences of Ukraine. The author has contributed to research in topics: Optical vortex & Phase velocity. The author has an hindex of 9, co-authored 19 publications receiving 2312 citations.
Papers
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Journal ArticleDOI
Free-space information transfer using light beams carrying orbital angular momentum
Graham M. Gibson,Johannes Courtial,Miles J. Padgett,Mikhail V. Vasnetsov,V. A. Pas’ko,Stephen M. Barnett,Sonja Franke-Arnold +6 more
TL;DR: The transfer of information encoded as orbital angular momentum states of a light beam is demonstrated, which is resistant to eavesdropping and gives an experimental insight into the effects of aperturing and misalignment of the beam on the OAM measurement and demonstrates the uncertainty relationship for OAM.
Journal ArticleDOI
Analysis of orbital angular momentum of a misaligned optical beam
TL;DR: In this article, an analysis of the orbital angular momentum of an optical beam misaligned with respect to a reference axis is presented, where both laterally displaced and angularly deflected Laguerre-Gaussian beams are represented in terms of the superposition of azimuthal harmonics with well-defined orbital angular angular momentum.
Journal ArticleDOI
Synthesis and analysis of optical vortices with fractional topological charges
TL;DR: In this article, an elaborated holographic technique for synthesis of optical beams possessing optical vortices with fractional topological charge is presented, based on the production of sub-harmonic diffraction orders.
Journal ArticleDOI
Transversal optical vortex
TL;DR: In this article, a structure of wavefront edge dislocations and associated transversal optical vortices in an interference field of two 2D Gaussian beams is analyzed.
Posted Content
Structure of optical vortices produced by holographic gratings with "fork" geometry: Kummer beams
TL;DR: In this paper, the authors presented an analysis of OV beams produced by binary computer-generated holograms enlightened by Gaussian beams centered at the fringe bifurcation point. And they showed that the differences between the Kummer and Laguerre-Gaussian (LG) modes grow with the OV topological charge.