paper

Ultrafast active plasmonics: transmission and control of femtosecond plasmon signals

arXiv:0807.2542 · doi:10.1038/NPHOTON.2008.249

Abstract

We report that femtosecond surface plasmon polariton pulses can propagate along a metal-dielectric waveguide and that they can be modulated on the femtosecond timescale by direct ultrafast optical excitation of the metal, thereby offering unprecedented terahertz plasmonic bandwidth - a key missing component in the development of surface plasmons as information carriers for next generation nanophotonic devices.

4 pages (inc. 3 figures)

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