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Azimuthal Anisotropy of Light Extraction from Photonic Crystal Light-emitting Diodes

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9 Author(s)
Hsueh, H.T. ; Electron. & Optoelectron. Res. Labs., Ind. Technol. Res. Inst., Hsinchu ; Wang, J.-F.T. ; Chao, C.H. ; Yeh, W.Y.
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Photonic crystal light-emitting diodes exhibiting anisotropic light extraction efficiency have been investigated experimentally and theoretically. Images of the anisotropy in the azimuthal direction are obtained using annular structures with triangular lattice. Depending on the lattice constants, 6-fold symmetric patterns with varying number of petals are obtained.

Published in:

Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on

Date of Conference:

26-31 Aug. 2007