We observed over two-fold enhancement in light extraction efficiency from GaN-based light emitters grown on a nano-patterned sapphire substrate. Nano-hole patterns were generated by laser holography, which enabled a large area process with high throughput.
© 2005 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1940) Diffraction and gratings : Diffraction
(250.0250) Optoelectronics : Optoelectronics
(250.5230) Optoelectronics : Photoluminescence
D. Kim, C. Cho, J. Kim, h. Jeon, T. Sakong, J. Cho, and Y. Park, "Extraction Efficiency Enhancement in GaN-Based Light Emitters Grown on a Holographically Nano-Patterned Sapphire Substrate," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JWB33.
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