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Phys. Rev. B 75, 205434 (2007) [11 pages]

Influence of geometric disorder on the band structure of a photonic crystal: Experiment and theory

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I. V. Ponomarev1, M. Schwab2, G. Dasbach2, M. Bayer2,*, T. L. Reinecke1, J. P. Reithmaier2, and A. Forchel2
1Naval Research Laboratory, Washington, DC 20375, USA
2Technische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

Received 22 February 2007; published 23 May 2007

The influence of disorder on the optical-mode spectrum of chains of coupled micron-sized microcavities has been studied. The disorder is introduced by systematic variation of cavity sizes. The resulting spectra are interpreted in terms of modified dispersion for propagation along the chains accompanied by the appearance of bands of localized-impurity-like photonic states.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.75.205434
DOI:
10.1103/PhysRevB.75.205434
PACS:
42.25.Dd, 42.60.Da, 78.55.Cr

*Present address: Experimentelle Physik 2, Universität Dortmund, D-44221 Dortmund, Germany.

 
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