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  • Title: Spontaneous emission in GaN/InGaN photonic crystal nanopillars.
    Author: David A, Benisty H, Weisbuch C.
    Journal: Opt Express; 2007 Dec 24; 15(26):17991-8004. PubMed ID: 19551097.
    Abstract:
    We investigate the physics of spontaneous emission in a photonic crystal (PhC) made of GaN rods with embedded InGaN quantum wells, formed on a thick GaN layer. Although the PhC lies on a higher-index medium, we evidence the existence of unexpected quasi-guided Bloch modes which are strongly localized in the PhC region and possess a long lifetime. These modes determine the behavior of spontaneous emission such as the emission diagram and Purcell effect, as would happen in the usual case of emission in a PhC membrane.
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