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5 October 2023 Studies of inverse faraday effect with varying thickness nanodisks
Luat T. Vuong, Alma K. González-Alcalde, Victor Ortiz, Xinping Shi, Ji Feng, Richard B. Wilson
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Proceedings Volume PC12654, Enhanced Spectroscopies and Nanoimaging 2023; PC126540N (2023) https://doi.org/10.1117/12.2678121
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
The inverse Faraday effect is associated with light-induced magnetism. In nonmagnetic materials, the magnetic field scales with intensity; an electric field both produces surface charges and imparts momentum to those charges. The angular momentum of surface currents may induce a magnetic field, that is highly dependent on the shape nano-geometry. Here, we measure the Inverse Faraday Effect on nonmagnetic plasmonic nanodisks. We explore the effect of nanodisk aspect ratio. When the disk is thin, the plasmon resonance significantly red-shifts, which coincides with electron spillout.
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Luat T. Vuong, Alma K. González-Alcalde, Victor Ortiz, Xinping Shi, Ji Feng, and Richard B. Wilson "Studies of inverse faraday effect with varying thickness nanodisks", Proc. SPIE PC12654, Enhanced Spectroscopies and Nanoimaging 2023, PC126540N (5 October 2023); https://doi.org/10.1117/12.2678121
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KEYWORDS
Magnetism
Angular momentum
Electric fields
Plasmonics
Plasmons
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