Ultrafast thermal manipulation of plasmons in atomically thin films

Eduardo J. C. Dias; Renwen Yu; Javier García de Abajo

doi:10.1117/12.2594850

1 August 2021 Ultrafast thermal manipulation of plasmons in atomically thin films

Eduardo J. C. Dias, Renwen Yu, Javier García de Abajo

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 1179521 (2021) https://doi.org/10.1117/12.2594850
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Nanoscale photothermal effects induce substantial changes in the optical response experienced by probing light. We take advantage of the strong temperature modulation of the graphene conductivity to propose an all-optical technique of excitation and manipulation of plasmons in graphene and thin metallic films. We demonstrate the ability of graphene and thin metal films to undergo ultrafast photothermal optical modulation under pump-probe conditions, with depths as large as >70% over a wide spectral range.

Conference Presentation

Citation Download Citation

Eduardo J. C. Dias, Renwen Yu, and Javier García de Abajo "Ultrafast thermal manipulation of plasmons in atomically thin films", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 1179521 (1 August 2021); https://doi.org/10.1117/12.2594850

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