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Article Dans Une Revue ACS Nano Année : 2024

Memristive Control of Plasmon-Mediated Nonlinear Photoluminescence in Au Nanowires

Résumé

Nonlinear photoluminescence (N-PL) is a broadband photon emission arising from a nonequilibrium heated electron distribution generated at the surface of metallic nanostructures by ultrafast pulsed laser illumination. N-PL is sensitive to surface morphology, local electromagnetic field strength, and electronic band structure, making it relevant to probe optically excited nanoscale plasmonic systems. It also has been key to accessing the complex multiscale time dynamics ruling electron thermalization. Here, we show that plasmon-mediated N-PL emitted by a gold nanowire can be modified by an electrical architecture featuring a nanogap. Upon voltage activation, we observe that N-PL becomes dependent on the electrical transport dynamics and can thus be locally modulated. This finding brings an electrical leverage to externally control the photoluminescence generated from metal nanostructures and constitutes an asset for the development of emerging nanoscale interface devices managing photons and electrons.
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Dates et versions

hal-04608978 , version 1 (12-06-2024)

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Deepak K Sharma, Adrian Agreda, Florian Dell’ova, Konstantin Malchow, Gérard Colas des Francs, et al.. Memristive Control of Plasmon-Mediated Nonlinear Photoluminescence in Au Nanowires. ACS Nano, 2024, ⟨10.1021/acsnano.4c03276⟩. ⟨hal-04608978⟩
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