Abstract
The optical and magneto-optical behavior in periodically nanostructured surfaces at the threshold of surface continuity is revealed. We address Co films that evolve from an island-like array to a connecting network of islands that form a membrane pattern. The analysis of magneto-optical spectra as well as numerical simulations show significant differences between continuous and broken membranes that depend dramatically on the energy of the incoming radiation. Light localization increases the magneto-optical signal in the membranes. However, the generation of hot spots is not accompanied with magneto-optic enhancement. The electromagnetic field profile within the membrane system can explain the differences in the transmission and in the magneto-optic Kerr signal.
© 2017 Optical Society of America
Full Article | PDF ArticleCorrections
Evangelos Th. Papaioannou, Hui Fang, Blanca Caballero, Eser Metin Akinoglu, Michael Giersig, Antonio García-Martin, and Paul Fumagalli, "Role of interactions in the magneto-plasmonic response at the geometrical threshold of surface continuity: publisher’s note," Opt. Express 26, 338-338 (2018)https://opg.optica.org/oe/abstract.cfm?uri=oe-26-1-338
3 January 2018: A typographical correction was made to the author listing.
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