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5 March 2021 Nonlocal and quantum finite-size effects in the use of guided graphene plasmons
Álvaro Rodríguez Echarri, Joel Cox, Javier Garía de Abajo
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Proceedings Volume 11688, 2D Photonic Materials and Devices IV; 116880P (2021) https://doi.org/10.1117/12.2582456
Event: SPIE OPTO, 2021, Online Only
Abstract
We study the use of propagating plasmons in 1-D graphene nanoribbons by employing rigorous quantum-mechanical simulations that account for nonlocal, quantum finite-size, and edge-termination effects in the optical response. Our simulations reveal a strong dependence on such phenomena for excitation with a high optical momentum component along the direction of transverse symmetry in both the linear and nonlinear optical response, wherein particular second-order nonlinear phenomena are found to manifest with high efficiency due to the breaking of inversion symmetry. These findings are applied to emitters close by which we use to excite and explore the nonlinear dynamics provided by those plasmons in the graphene ribbons.
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Álvaro Rodríguez Echarri, Joel Cox, and Javier Garía de Abajo "Nonlocal and quantum finite-size effects in the use of guided graphene plasmons", Proc. SPIE 11688, 2D Photonic Materials and Devices IV, 116880P (5 March 2021); https://doi.org/10.1117/12.2582456
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KEYWORDS
Plasmons
Graphene
Band structure simulations
Carbon
Metals
Nanophotonics
Nanostructuring
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