Plasmonic nanoantennas are of interest because of their capability to enhance light-matter interactions. We present new results where antennas are used to obtain nanoscale devices with tunable characteristics. Applications of these devices include electrically controlled antennas, antennas integrated on silicon waveguides, and optical solar reflectors for spacecraft. By using tunable materials such as vanadium dioxide and doped-metal oxides, we demonstrate precise control and active tunability of the optical response. Experimental results are supported by combined electro-optical modelling at the nanoscale.
Otto L. Muskens, Kai Sun, Christoph A. Riedel, Bigeng Chen, and Cornelis Hendrik De Groot, "Tunable plasmonics and metasurfaces for applications in optical switching and space technology (Conference Presentation)," Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 1034609 (Presented at SPIE Nanoscience + Engineering: August 06, 2017; Published: 11 October 2017); https://doi.org/10.1117/12.2274010.5606314966001.
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