Ultrafast active plasmonics: transmission and control of femtosecond plasmon signals

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Authors
MacDonald, K. F.
Samson, Z. L.
Stockman, M. I.
Zheludev, N. I.
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Abstract
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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.
Comment: 4 pages (inc. 3 figures)
Keywords
Physics - Optics
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