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1 August 2021 Advances in the optical response of crystalline atomically-thin films
Álvaro Rodríguez Echarri, Joel Cox, Fadil Iyikanat, Javier García de Abajo
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Proceedings Volume 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX; 117970X (2021) https://doi.org/10.1117/12.2594892
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Recent progress in the fabrication of metallic thin films allows for precise control of the surface crystallographic orientation and thickness, turning them to be a great appeal in plasmonic devices. Considering such a crystalline quality and going towards smaller optical designs; surface, nonlocal, and quantum finite-size effects play a major role in metallic thin films when interacting with light. Here we explore various strategies to seek for the linear and nonlinear optical response manifested in a variety of scenarios and configurations which are based on precise quantum-mechanical formalisms that describe the dynamics of electrons in such films, e.g. EELS, Feibelman d-parameters, periodic- and finite-systems, etc. We believe that our results can inspire future devices based on crystalline metal films as well as motivate further numerical implementation strategies.
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Álvaro Rodríguez Echarri, Joel Cox, Fadil Iyikanat, and Javier García de Abajo "Advances in the optical response of crystalline atomically-thin films", Proc. SPIE 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX, 117970X (1 August 2021); https://doi.org/10.1117/12.2594892
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KEYWORDS
Crystals
Crystal optics
Nonlinear crystals
Plasmons
Electrons
Near field optics
Photonic crystals
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