Regensburg 2010 – scientific programme
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O: Fachverband Oberflächenphysik
O 63: Plasmonics and Nanooptics V
O 63.8: Talk
Thursday, March 25, 2010, 12:15–12:30, H32
Functional elements on subwavelength plasmonic waveguides — •Andreas Reiserer1, Philip Tuchscherer1, Christian Rewitz1, Dmitri V. Voronine1, Jer-Shing Huang2, Bert Hecht2, and Tobias Brixner1 — 1Institut für Physikalische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Nano-Optics and Biophotonics Group, Physikalisches Institut, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
Plasmonic functional elements are promising to combine the advantages of photonics and electronics – high speed and small spatial extent. We employ numerical simulations and an analytic approach based on transmission line theory to demonstrate several functional elements that consist of so called stub structures – terminated ends on metal–insulator–metal waveguides.
Splitters are presented that allow arbitrary adjustment of the transmission ratio from an input to two different output arms; frequency filters are designed that provide steep transmission resonances; and, finally, nanoscale all-plasmonic switching is proposed with an operating frequency of more than 20 THz.
The suggested device components are promising for future applications in ultrafast nanoscale information processing.
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