Ultrafast active plasmonics: transmission and control of femtosecond plasmon signals

Details Ultrafast active plasmonics: transmission and control of femtosecond plasmon signals Ultrafast active plasmonics: transmission and control of femtosecond plasmon signals

2008-07-16

arxiv.org/abs/0807.2542v1

Nat. Photon. 3, 55 (2009)

Physics

Optics

4 pages (inc. 3 figures)

Scientific paper

10.1038/NPHOTON.2008.249

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.

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