Omnidirectional and compact guided light extraction from Archimedean photonic lattices

Rattier, M.; Benisty, H.; Schwoob, F.; Weisbuch, C.; Krauss, T. F.; Smith, C. J. M.; Houdré, R.; Oesterle, U.
August 2003
Applied Physics Letters;8/18/2003, Vol. 83 Issue 7, p1283
Academic Journal
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 ∼40% extraction efficiency is at hand in a planar top-emitting device retaining its substrate. © 2003 American Institute of Physics.


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