Different regimes of light localization in a disordered photonic crystal

Yu A. Vlasov, M. A. Kaliteevski, V. V. Nikolaev

Research output: Contribution to journalArticlepeer-review


It is known that photonic Bloch states can become strongly localized near the band edges in a disordered photonic crystal. We show that Bloch states are disrupted and another localization regime establishes when local fluctuations of the band-edge frequency caused by randomization of refractive index profile becomes as large as the band-gap width. Transmission experiments performed on opal photonic crystal have shown the exponential decay of light throughout the gap region, which is ascribed to building up of the second regime of light localization.

Original languageEnglish (US)
Pages (from-to)1555-1562
Number of pages8
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number3
StatePublished - Jan 1 1999
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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