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17 March 2023 Electrically-driven-dynamics of real-space optical vortex based on high-dimensional topological criticality
Dongha Kim, Geonhyeong Park, Yun-Seok Choi, Sanghyeok Park, Arthur Baucour, Jonghwa Shin, Dongki Yoon, Min-Kyo Seo
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Proceedings Volume PC12436, Complex Light and Optical Forces XVII; PC124360S (2023) https://doi.org/10.1117/12.2648169
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We present electrically-driven generation and dynamics of the real-space optical vortices based on the high-dimensional gradient-thickness optical cavity. The structure consists of a metal-dielectric multi-layer that supports non-trivial topological phases, generating optical vortex lines and rings in three-dimensional generalized parameter space. We experimentally demonstrated the high-dimensional gradient-thickness optical cavity by liquid crystal-based multi-layer structure, which bijectively projects a surface slice of generalized parameter space into the real space. By electric control of the alignment of liquid crystal molecules, we successfully spanned the architecture of the high-dimensional optical singularity in real space, which actively generates and manipulates the optical vortex-antivortex pair.
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Dongha Kim, Geonhyeong Park, Yun-Seok Choi, Sanghyeok Park, Arthur Baucour, Jonghwa Shin, Dongki Yoon, and Min-Kyo Seo "Electrically-driven-dynamics of real-space optical vortex based on high-dimensional topological criticality", Proc. SPIE PC12436, Complex Light and Optical Forces XVII, PC124360S (17 March 2023); https://doi.org/10.1117/12.2648169
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KEYWORDS
Optical vortices
Active optics
Liquid crystals
Optical resonators
Optical manipulation
Photonic devices
Polymers
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