Generation of optical skyrmion by using a spatial light modulator with a self-interferometer configuration

Rihito Tamura; Praveen Kumar; A. Srinivasa Rao; Katsuhiko Miyamoto; Takashige Omatsu

doi:10.1117/12.3008369

20 September 2023 Generation of optical skyrmion by using a spatial light modulator with a self-interferometer configuration

Rihito Tamura, Praveen Kumar, A. Srinivasa Rao, Katsuhiko Miyamoto, Takashige Omatsu

Author Affiliations +

Proceedings Volume 12606, Optical Manipulation and Structured Materials Conference; 1260617 (2023) https://doi.org/10.1117/12.3008369
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

Full Poincaré beams (optical skyrmions), in which all polarization states on the Poincaré sphere are projected onto the beam cross section, exhibit exotic vectorial structures, and they will offer fundamental physics as topological quasiparticles and advanced technologies, such as optical data storage, optical/quantum communication, and encryption with the freedom of skyrmion states. We here propose a robust and cost-saving system to generate versatile optical skyrmions by employing a spatial light modulator (SLM) with a self-referenced interferometric configuration. We demonstrate the generation of optical skyrmions, formed of a fundamental Gaussian and a first-order Laguerre-Gauss modes, as evidenced by a linearly polarized spiral spatial form and orthogonal Stokes parameters.

Citation Download Citation

Rihito Tamura, Praveen Kumar, A. Srinivasa Rao, Katsuhiko Miyamoto, and Takashige Omatsu "Generation of optical skyrmion by using a spatial light modulator with a self-interferometer configuration", Proc. SPIE 12606, Optical Manipulation and Structured Materials Conference, 1260617 (20 September 2023); https://doi.org/10.1117/12.3008369

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