Omnidirectional and compact guided light extraction from Archimedean photonic lattices

M Rattier, H Benisty, E Schwoob, C Weisbuch, Thomas Fraser Krauss, CJM Smitg, R Houdré, U Oesterle

Research output: Contribution to journalArticlepeer-review

70 Citations (Scopus)

Abstract

We address the issue of extracting light from a waveguide towards air in a compact way for randomly oriented guided waves. The goal is to enhance the extraction efficiency of light-emitting diodes while retaining planar processing. For incidence-angle-independent extraction, preferred lattice designs appear to possess a ring-shaped Fourier transform. We demonstrate this property for an Archimedean lattice. This system is the outer part of a resonant-cavity light-emitting diode. Data suggest that similar to40% extraction efficiency is at hand in a planar top-emitting device retaining its substrate. (C) 2003 American Institute of Physics.

Original languageEnglish
Pages (from-to)1283-1285
Number of pages3
JournalApplied Physics Letters
Volume83
Issue number7
DOIs
Publication statusPublished - 18 Aug 2003

Keywords

  • CRYSTAL MICROCAVITIES
  • EMITTING-DIODES
  • EFFICIENCY
  • BANDGAPS
  • SLABS

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