Shaping the skeleton of structured light in 3D space: from self-imaging singularity networks to optical skyrmionic Hopfions

Eileen Otte; Ramon Droop; Daniel Ehrmanntraut; Danica Sugic; Mark R. Dennis; Cornelia Denz

doi:10.1117/12.2659392

8 December 2022 Shaping the skeleton of structured light in 3D space: from self-imaging singularity networks to optical skyrmionic Hopfions

Eileen Otte, Ramon Droop, Daniel Ehrmanntraut, Danica Sugic, Mark R. Dennis, Cornelia Denz

Author Affiliations +

Proceedings Volume 12479, Optical Manipulation and Structured Materials Conference (OMC 2022); 124790W (2022) https://doi.org/10.1117/12.2659392
Event: Optics and Photonics International Congress, 2022, Yokohama, Japan

Abstract

Meandering throughout three-dimensional (3D) space, optical singularities form the structurally stable skeleton of structured light fields and define its topology. Although structured singular light fields have already allowed for advanced applications in, e.g., optical manipulation by custom angular momentum, their diverse fundamental properties are not yet fully understood. Due to experimental constraints, the study of tailored vectorial light and singularities in 3D space, in particular, has been limited to only a few examples. Pushing the limits, we present the customization of complex polarization singularity networks in self-imaging vectorial fields and their all-digital adaptability by our holographic modulation approach. Furthermore, we demonstrate control of the full electric field and its singularities in 3D space by forming linked constructs of polarization singularities sculpting the first optical skymionic Hopfion.

Citation Download Citation

Eileen Otte, Ramon Droop, Daniel Ehrmanntraut, Danica Sugic, Mark R. Dennis, and Cornelia Denz "Shaping the skeleton of structured light in 3D space: from self-imaging singularity networks to optical skyrmionic Hopfions", Proc. SPIE 12479, Optical Manipulation and Structured Materials Conference (OMC 2022), 124790W (8 December 2022); https://doi.org/10.1117/12.2659392

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KEYWORDS

Polarization

Structured light

Singular optics

Spiral phase plates

Optical networks

Astronomical imaging

Holography

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