Spatiotemporal characterization of SPP pulse propagation in two-dimensional plasmonic focusing devices

Christoph Lemke*, Christian Schneider, Till Leißner, Daniela Bayer, Jörn W. Radke, Alexander Fischer, Pascal Melchior, Andrey B. Evlyukhin, Boris N. Chichkov, Carsten Reinhardt, Michael Bauer, Martin Aeschlimann

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The spatiotemporal evolution of a SPP wave packet with femtosecond duration is experimentally investigated in two different plasmonic focusing structures. A two-dimensional reconstruction of the plasmonic field in space and time is possible by the numerical analysis of interferometric time-resolved photoemission electron microscopy data. We show that the time-integrated and time-resolved view onto the wave packet dynamics allow one to characterize and compare the capabilities of two-dimensional components for use in plasmonic devices operating with ultrafast pulses.

Original languageEnglish
JournalNano Letters
Volume13
Issue number3
Pages (from-to)1053-1058
Number of pages6
ISSN1530-6984
DOIs
Publication statusPublished - 13. Mar 2013

Keywords

  • Femtosecond phenomena
  • Nanooptics
  • Plasmonic devices
  • Surface photoemission

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