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Plasmonics

, Volume 5, Issue 4, pp 429–436 | Cite as

Coupled Plasmonic Cavities on Moire Surfaces

  • Sinan BalciEmail author
  • Mustafa Karabiyik
  • Askin Kocabas
  • Coskun Kocabas
  • Atilla Aydinli
Article

Abstract

Surface plasmon polariton (SPP) waveguides formed by coupled plasmonic cavities on metallic Moire surfaces have been investigated both experimentally and numerically. The Moire surface, fabricated by interference lithography, contains periodic arrays of one-dimensional cavities. The coupling strength between the cavities has been controlled by changing the periodicities of the Moire surface. The ability to control the coupling strength allows us to tune the dispersion and the group velocity of the plasmonic coupled cavity mode. Reflection measurements and numerical simulation of the array of SPP cavities have shown a coupled resonator type plasmonic waveguide band formation within the band gap. Coupling coefficients of cavities and group velocities of SPPs are calculated for a range of cavity sizes from weakly coupled regime to strongly coupled regime.

Keywords

Surface plasmon polariton (SPP) Plasmonic cavity Plasmon Grating Coupled cavity 

Notes

Acknowledgment

S. Balci would like to acknowledge financial support of TUBITAK through a BİDEB grant. We thank Seckin Senlik for technical help. This work has been supported in part by a grant from TUBITAK (grant no. 104M421) and by EU 7th framework project, Unam-Regpot (grant no. 203953).

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Copyright information

© FSpringer Science+Business Media, LLC 2010

Authors and Affiliations

  • Sinan Balci
    • 1
    Email author
  • Mustafa Karabiyik
    • 1
  • Askin Kocabas
    • 1
    • 2
  • Coskun Kocabas
    • 1
  • Atilla Aydinli
    • 1
  1. 1.Advanced Research Laboratory, Turk Telekom Laboratory, Department of PhysicsBilkent UniversityAnkaraTurkey
  2. 2.FAS Center for Systems BiologyHarvard UniversityCambridgeUSA

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