Phys. Rev. Lett. 77, 2670–2673 (1996)Full Photonic Band Gap for Surface Modes in the VisibleReceived 23 May 1996; published in the issue dated 23 September 1996 We report the first observation of a full photonic band gap for surface modes. An experimental study has been made of the propagation of surface plasmon polaritons on a silver surface that is textured with a hexagonal array of dots with a periodicity of 300 nm. We find that propagation is prohibited in all directions for modes with energies between 1.91 and 2.00 eV. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.2670
DOI:
10.1103/PhysRevLett.77.2670
PACS:
42.70.Qs, 71.36.+c, 73.20.Mf
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