Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity

Judit Budai, Zsuzsanna Pápa, István Márton, Piotr Wróbel, Tomasz Stefaniuk, Zsuzsanna Márton, Péter Rácz, P. Dombi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The coupling of propagating surface plasmon waves and localized plasmon oscillations in nanostructures is an essential phenomenon determining electromagnetic field enhancement on the nanoscale. Here, we use our recently developed ultrafast photoemission near-field probing technique to investigate the fundamental question of plasmon-plasmon coupling and its effect on large field enhancement factors. By measuring and analyzing plasmon field enhancement values at different nanostructured surfaces, we can separate the contributions from propagating and localized plasmons. When resonance conditions are met, a significant field enhancement factor can be attributed to the generation of localized plasmons on surface nanostructures, acting as dipole sources resonantly driven by the propagating plasmon field. Our plasmon-plasmon coupling results can contribute directly to applications in surface-enhanced Raman scattering (SERS) and the development of plasmonic sensors and nanostructured photocathodes.

Original languageEnglish
Pages (from-to)16261-16267
Number of pages7
JournalNanoscale
Volume10
Issue number34
DOIs
Publication statusPublished - Sep 14 2018

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Photoemission
Plasmons
Nanostructures
Photocathodes
Electromagnetic fields
Raman scattering
Sensors

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Budai, J., Pápa, Z., Márton, I., Wróbel, P., Stefaniuk, T., Márton, Z., ... Dombi, P. (2018). Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity. Nanoscale, 10(34), 16261-16267. https://doi.org/10.1039/c8nr04242j

Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity. / Budai, Judit; Pápa, Zsuzsanna; Márton, István; Wróbel, Piotr; Stefaniuk, Tomasz; Márton, Zsuzsanna; Rácz, Péter; Dombi, P.

In: Nanoscale, Vol. 10, No. 34, 14.09.2018, p. 16261-16267.

Research output: Contribution to journalArticle

Budai, J, Pápa, Z, Márton, I, Wróbel, P, Stefaniuk, T, Márton, Z, Rácz, P & Dombi, P 2018, 'Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity', Nanoscale, vol. 10, no. 34, pp. 16261-16267. https://doi.org/10.1039/c8nr04242j
Budai J, Pápa Z, Márton I, Wróbel P, Stefaniuk T, Márton Z et al. Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity. Nanoscale. 2018 Sep 14;10(34):16261-16267. https://doi.org/10.1039/c8nr04242j
Budai, Judit ; Pápa, Zsuzsanna ; Márton, István ; Wróbel, Piotr ; Stefaniuk, Tomasz ; Márton, Zsuzsanna ; Rácz, Péter ; Dombi, P. / Plasmon-plasmon coupling probed by ultrafast, strong-field photoemission with <7 Å sensitivity. In: Nanoscale. 2018 ; Vol. 10, No. 34. pp. 16261-16267.
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