Design and fabrication of subwavelength nanogratings based light-emitting diodes |
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| Authors: | Liang Zhang Jinghua Teng Soo Jin Chua Eugene A. Fitzgerald |
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| Affiliation: | (1) Department of Materials Science and Engineering, Korea University, Anam-dong 5-ga, Seongbuk-gu, Seoul, 136-713, South Korea;(2) Department of Electrical and Electronics Engineering, Chung-Ang University, Seoul, 156-756, South Korea |
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| Abstract: | Linearly polarized light from InGaN green light emitting diode grown on (0001) oriented sapphire is demonstrated by using subwavelength metallic nanogratings. Polarization ratio can reach 7:1 (∼88%), the highest ever reported from a single light emitting device. We discuss the design and fabrication of this device in detail. |
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