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4 October 2023 Topological plasmonics and plasmonic twistronics: skyrmions, merons, quasicrystals, and skyrmion bags
Harald Giessen
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Proceedings Volume PC12646, Metamaterials, Metadevices, and Metasystems 2023; PC126461A (2023) https://doi.org/10.1117/12.2681255
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
We present ultrafast vectorial electric field measurements of plasmonic skyrmions, merons, quasicrystalline structures, and skyrmion bags. 10 nm spatial resolution, sub-fs temporal resolution, and vectorial properties of the surface plasmon field on single crystalline, atomically flat gold surfaces are presented. Our techniques combine ultrafast vector PEEM and interferometric s-SNOM. Our tailored model systems reveal a rich set of topological phenomena, reaching even into 4-dimensional topology.
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Harald Giessen "Topological plasmonics and plasmonic twistronics: skyrmions, merons, quasicrystals, and skyrmion bags", Proc. SPIE PC12646, Metamaterials, Metadevices, and Metasystems 2023, PC126461A (4 October 2023); https://doi.org/10.1117/12.2681255
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KEYWORDS
Plasmonics
Ultrafast phenomena
Systems modeling
Electric fields
Gold
Interferometry
Spatial resolution
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