A 7-fold enhancement of light extraction from a vertical-cavity light-emitting diode structure over a 130 nm bandwidth at room temperature was achieved using circular Bragg gratings. The enhancement factor corresponded to a 41% external efficiency.
© 2006 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2770) Diffraction and gratings : Gratings
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes
M. Y. Su and R. P. Mirin, "Enhanced Light Extraction from Circular Bragg Grating Coupled Microcavities," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CWB4.
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