Inhibition and exaltation of emission in layer-controlled colloidal photonic architectures

  • Dechézelles J
  • Mialon G
  • Gacoin T
 et al. 
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We described the engineering and characterization of photonic colloidal crystals based on silica spheres with incorporated YVO4:Eu luminescent nanoparticles. These structures exhibit strong angle-dependent luminescent properties. The controlled incorporation of a planar defect in the periodic structures gives rise to the creation of a pass band in the pseudo-gap. In the energy range of this pass band, we observed a strong increase in combination with a sharp width of the emission spectrum, which opens new possibilities for the design of low-threshold and/or single mode photonic crystal lasers. © 2010 Elsevier B.V.

Author-supplied keywords

  • Colloids
  • Crystals
  • Photonics

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  • J. F. Dechézelles

  • G. Mialon

  • T. Gacoin

  • C. Barthou

  • C. Schwob

  • A. Maître

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