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Anisotropy of light extraction from two-dimensional photonic crystal light-emitting diodes
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10.1063/1.2789399
/content/aip/journal/apl/91/12/10.1063/1.2789399
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/12/10.1063/1.2789399
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Annual structure and the light generation, waveguiding, and extraction in the present structure, (b) Scanning electron microscope micrograph of the PhC region.

Image of FIG. 2.
FIG. 2.

CCD images for various lattice constants of (a) 300, (b) 450, (c) 600, and (d) . The central bright region in all the photos is due to the unguided PL light excited by the focused laser beam impinging normally in the center.

Image of FIG. 3.
FIG. 3.

(Color online) Ewald construction for (a) the resultant wavevetor just entering the NA circle, (b) coupling in the direction for showing the resultant wavevetor almost leaving the NA circle, and (c) coupling in the direction for showing no light can escape into the NA.

Image of FIG. 4.
FIG. 4.

(Color online) Map for the arithmuzal anisotropy of the triangular lattice as a function of NA. The regions of various petals are shown with different colors. The directions of the petals are shown in parentheses. The “+” and “−” signs indicate the lower and upper boundaries for the regions.

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/content/aip/journal/apl/91/12/10.1063/1.2789399
2007-09-20
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Anisotropy of light extraction from two-dimensional photonic crystal light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/12/10.1063/1.2789399
10.1063/1.2789399
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