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5 October 2023 All optical switching via hyperbolic metamaterials
Humeyra Caglayan, Alessandro Pianelli, Rakesh Dhama
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Proceedings Volume PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI; PC126480W (2023) https://doi.org/10.1117/12.2677983
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
All-optical switches enable ON/OFF conversion function by following the concept of light-controlled-by-light and are highly significant due to their potential to overcome speed limitations set by electrical switches. In this talk, the ultra-fast responses of metamaterials at the effective epsilon-near-zero (ENZ) wavelengths and/or resonant wavelengths, unveiling response times down to a few hundred femtoseconds (fs), will be presented. Especially a novel Si-compatible hyperbolic metamaterial based on Titanium nitrides (TiN) and indium-tin-oxide (ITO) multilayers that possess two different ENZ wavelengths will be presented with the switching time, measured in pump and probe, of the metamaterial at both ENZ ranges.
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Humeyra Caglayan, Alessandro Pianelli, and Rakesh Dhama "All optical switching via hyperbolic metamaterials", Proc. SPIE PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI, PC126480W (5 October 2023); https://doi.org/10.1117/12.2677983
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KEYWORDS
Hyperbolic metamaterials
All optical switching
Optical switching
Femtosecond phenomena
Optical metamaterials
Time metrology
Tin
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