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Enhanced vertical light extraction from ultrathin amorphous Si-Si 3N4 multilayers with photonic crystal patterns

Ren, Fang-Fang; Yu, M.B.; Ye, Jiandong; Chen, Q; Lo, G.Q.; Kwong, D.L.


We have investigated the significant enhancement of light extraction from amorphous Si-Si3N4 multiple-quantum-well structures, in which two-dimensional hexagonal-lattice air-hole photonic crystals (PCs) were integrated. The vertical spectral integrated intensity of light emission around 674 nm was enhanced up to ∼ 1.24-2.1 times due to strong coupling to the inherent lesaky modes or radiation modes near Γ point of PC's band structure. The experimental observations also suggested that coupling...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: IEEE Photonics Technology Letters
DOI: 10.1109/LPT.2008.2008730


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