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Waveguiding in Surface Plasmon Polariton Band Gap Structures

Sergey I. Bozhevolnyi, John Erland, Kristjan Leosson, Peter M. W. Skovgaard, and Jørn M. Hvam
Phys. Rev. Lett. 86, 3008 – Published 2 April 2001
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Abstract

Using near-field optical microscopy, we investigate propagation and scattering of surface plasmon polaritons (SPP's) excited in the wavelength range of 780–820 nm at nanostructured gold-film surfaces with areas of 200-nm-wide scatterers arranged in a 400-nm-period triangular lattice containing line defects. We observe the SPP reflection by such an area and SPP guiding along line defects at 782 nm, as well as significant deterioration of these effects is 815 nm, thereby directly demonstrating the SPP band gap effect and showing first examples of SPP channel waveguides in surface band gap structures.

  • Received 26 October 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.3008

©2001 American Physical Society

Authors & Affiliations

Sergey I. Bozhevolnyi*

  • Institute of Physics, Aalborg University, Pontoppidanstræde 103, DK-9220 Aalborg Øst, Denmark

John Erland, Kristjan Leosson, Peter M. W. Skovgaard, and Jørn M. Hvam

  • Research Center COM, Technical University of Denmark, Building 345v, DK-2800 Kongens Lyngby, Denmark

  • *Author to whom correspondence should be addressed: Institute of Physics, Aalborg University, Pontoppidanstræde 103, DK-9220 Aalborg Øst, Denmark.Electronic address: sergey@physics.auc.dk

See Also

Guiding Surface Waves

Phys. Rev. Focus 7, 16 (2001)

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Vol. 86, Iss. 14 — 2 April 2001

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