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Ultrafast vector imaging of plasmonic skyrmion dynamics with deep subwavelength resolution
Abstract
Watching plasmonic skyrmions: Skyrmions are stable topological textures that arise from solutions of the electromagnetic field. Because these “hedgehog”-like textures are robust, can be manipulated, and can interact, there is an interest in pursuing them for memory and logic applications. Skyrmions can also be generated in thin metal layers under optical excitation, but detailed information about the vectorial dynamics of these surface plasmon polariton skyrmions is so far lacking. Davis et al. used a time-resolved photoelectron vector microscope to image their spatiotemporal dynamics, piecing together movies as the skyrmions propagated across the surface of a perfect gold crystal. Access to dynamics with such high spatial and temporal resolution could help in controlling other nanophotonic systems. Science , this issue p. eaba6415
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For m = -1, the topology is defined as an anti-skyrmion with a saddle (anti-vortex) texture.
“In the case of m = -1, the topology is defined as anti-skyrmion with a saddle (anti-vortex) texture [28].”
From Optical skyrmions and other topological quasiparticles of light (2024) · cites this paper as [28]
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Optical skyrmions and other topological quasiparticles of light
Shen, Y., Zhang, Q., Shi, P., Du, L., Yuan, X., & Zayats, A. V. (2024) · Nature Photonics · doi:10.1038/s41566-023-01325-7 · Cited by 469
Generation of Optical Skyrmions with Tunable Topological Textures
Shen, Y., Martínez, E. C., & Rosales-Guzmán, C. (2022) · ACS Photonics · doi:10.1021/acsphotonics.1c01703 · Cited by 278
Topological state and number transitions of optical skyrmions upon free-space beam propagation
Fan, X., Wu, X., Ren, K., Zhou, L., Guo, X., Wei, B., Zhang, Y., Liu, S., Li, P., & Zhao, J. (2025) · Communications Physics · doi:10.1038/s42005-025-02427-0 · Cited by 2
Metadata
- Authors
- Davis, T. J., Janoschka, D., Dreher, P., Frank, B., Meyer zu Heringdorf, F.-J., & Giessen, H.
- Venue
- Science
- Published
- 2020-04-24
- Volume
- 368
- Issue
- 6489
- ISSN
- 0036-8075
- 1095-9203
- Cited by
- 296
- References
- 3
- Language
- en
- Funders
- Carl-Zeiss-Stiftung
- Baden-Württemberg Stiftung (Spitzenforschung, Opterial)
- European Research Council (Complexplas, 3DPrintedoptics)
- IQST
- MPI FKF
- Deutsche Forschungsgemeinschaft (SPP1391, CRC 1242)
- Bundesministerium für Bildung und Forschung (Printoptics)
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Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
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