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Strong localization of photons in certain disordered dielectric superlattices

1987/06/08 by Sajeev John · 1 voice · 29 citations
Engineering · Physics and Astronomy · #Near-Field Optical Microscopy #Photonic Crystals and Applications #Random lasers and scattering media

paper · pdf · doi:10.1103/physrevlett.58.2486

openalex publication_date 1987/06/08 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

A new mechanism for strong Anderson localization of photons in carefully prepared disordered dielectric superlattices with an everywhere real positive dielectric constant is described. In three dimensions, two photon mobility edges separate high- and low-frequency extended states from an intermediate-frequency pseudogap of localized states arising from remnant geometric Bragg resonances. Experimentally observable consequences are discussed.

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