Optical singularities and Möbius strip arrays in tailored non-paraxial light fields | Zendy

Kemal Tekce | Zendy; Eileen Otte | Zendy; Cornelia Denz | Zendy

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Optical singularities and Möbius strip arrays in tailored non-paraxial light fields

Author(s) -

Kemal Tekce,

Eileen Otte,

Cornelia Denz

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.029685

Subject(s) - paraxial approximation , physics , optical vortex , optics , polarization (electrochemistry) , structured light , circular polarization , gravitational singularity , light beam , vortex , electric field , transverse plane , light field , strips , topology (electrical circuits) , beam (structure) , computer science , mathematics , quantum mechanics , chemistry , structural engineering , combinatorics , artificial intelligence , thermodynamics , engineering , microstrip

A major current challenge in the field of structured light represents the development from three- (3d) to four-dimensional (4d) electric field structures, in which one exploits the transverse as well as longitudinal field components in 3d space. For this purpose, non-paraxial fields are required in order to be able to access visionary 3d topological structures as optical cones, ribbons and Möbius strips formed by 3d polarization states. We numerically demonstrate the customization of such complex topological structures by controlling generic polarization singularities in non-paraxial light fields. Our approach is based on tightly focusing tailored higher-order vector beams in combination with phase vortices. Besides demonstrating the appearance of cones and ribbons around the optical axis, we evince sculpting arrays of Möbius strips realized around off-axis generic singularities.

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