Paper
10 September 2010 Probing ultrafast nano-localized plasmonic fields via XUV light generation
S. L. Stebbings, Y.-Y. Yang, F. Süßmann, R. Graf, A. Apolonskiy, A. Weber-Bargioni, M. Durach, M. I. Stockman, A. Scrinzi, F. Krausz, M. F. Kling
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Abstract
We present a systematic investigation into the conditions required for the production of XUV light via nanoplasmonic enhanced high harmonic generation in metallic spheroids. Control over the temporal response of the plasmonic fields, and therefore the resulting XUV radiation, is achieved through the nanostructure configuration and the carrier envelope phase of the driving laser pulse. Coupled symmetric structures are shown to produce sufficient localized field enhancement and relatively long exponential plasmon decay times leading to the characteristic high harmonic spectra. In contrast coupled asymmetric structures have a much broader resonance and a highly non-uniform plasmon response in the temporal domain.
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S. L. Stebbings, Y.-Y. Yang, F. Süßmann, R. Graf, A. Apolonskiy, A. Weber-Bargioni, M. Durach, M. I. Stockman, A. Scrinzi, F. Krausz, and M. F. Kling "Probing ultrafast nano-localized plasmonic fields via XUV light generation", Proc. SPIE 7757, Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, 77571F (10 September 2010); https://doi.org/10.1117/12.860700
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KEYWORDS
Extreme ultraviolet

Plasmonics

Plasmons

Nanoplasmonics

Nanostructures

Pulsed laser operation

Gold

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