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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 7 — Mar. 1, 2006
  • pp: 1575–1582

Studies of polaritonic gaps in photonic crystals

Carl G. Ribbing, Herman Högström, and Andreas Rung  »View Author Affiliations


Applied Optics, Vol. 45, Issue 7, pp. 1575-1582 (2006)
http://dx.doi.org/10.1364/AO.45.001575


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Abstract

In a photonic band structure two kinds of gaps with different origins can be observed. Photonic gaps are determined by the symmetry of the photonic crystal, the lattice constant, and the contrast of the dielectric functions for the two components. Polaritonic gaps originate from the bulk optical properties of one of the components. Excitation of ionic components in the lattice results in a photon energy interval in which the dielectric function is negative. Here we investigate the interaction between photonic gaps and polaritonic gaps in one-dimensional and two-dimensional photonic structures. In particular, we show that by such interactions the polaritonic gap can be made wider and stronger, be left unchanged, or be made to vanish.

© 2006 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(160.3220) Materials : Ionic crystals
(160.4670) Materials : Optical materials
(310.6860) Thin films : Thin films, optical properties
(350.2770) Other areas of optics : Gratings

ToC Category:
Applications

History
Original Manuscript: March 2, 2005
Revised Manuscript: August 16, 2005
Manuscript Accepted: August 24, 2005

Citation
Carl G. Ribbing, Herman Högström, and Andreas Rung, "Studies of polaritonic gaps in photonic crystals," Appl. Opt. 45, 1575-1582 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-7-1575

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