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AlGaN-based UV-C distributed Bragg reflector with a -cavity designed for an external cavity structure electron-beam-pumped VCSEL
Y. R. Chen, Z. W. Zhang, G. Q. Miao, H. Jiang, Z. M. Li and H. Song
2020
发表期刊Journal of Alloys and Compounds
ISSN9258388
卷号820
摘要The external cavity structure electron-beam-pumped (EB-pumped) vertical cavity surface emitting laser (VCSEL) has an important demand for the distributed Bragg reflector (DBR) with an emission window at the working wavelength called -cavity. Herein, AlGaN-based UV-C band DBRs with -cavities around 280 nm are designed and investigated in detail, which have almost no been reported so far. The DBRs based on alternate stacked Al0.47Ga0.53N/AlN bilayers are in-situ grown by low-pressure metal-organic chemical vapor deposition (LP-MOCVD). Through a comprehensive protocol of structure optimization by theoretical simulation, epitaxial growth and in-depth characterization and analysis, a high-performance UV-C band DBR with a -cavity around 280 nm is successfully fabricated. The DBR presents a reflectivity as high as 81.3% at the -cavity, a maximum reflectivity of 89.8% at 282 nm and a stopband with a full-width at half-maximum (FWHM) of 24.7 nm, laying a foundation for developing the external cavity structure EB-pumped AlGaN-based UV-C VCSELs emerging as a promising alternative to the electrically pumped AlGaN-based UV-C lasers. 2019 Elsevier B.V.
DOI10.1016/j.jallcom.2019.153415
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收录类别EI
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64294
专题中国科学院长春光学精密机械与物理研究所
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Y. R. Chen, Z. W. Zhang, G. Q. Miao, H. Jiang, Z. M. Li and H. Song. AlGaN-based UV-C distributed Bragg reflector with a -cavity designed for an external cavity structure electron-beam-pumped VCSEL[J]. Journal of Alloys and Compounds,2020,820.
APA Y. R. Chen, Z. W. Zhang, G. Q. Miao, H. Jiang, Z. M. Li and H. Song.(2020).AlGaN-based UV-C distributed Bragg reflector with a -cavity designed for an external cavity structure electron-beam-pumped VCSEL.Journal of Alloys and Compounds,820.
MLA Y. R. Chen, Z. W. Zhang, G. Q. Miao, H. Jiang, Z. M. Li and H. Song."AlGaN-based UV-C distributed Bragg reflector with a -cavity designed for an external cavity structure electron-beam-pumped VCSEL".Journal of Alloys and Compounds 820(2020).
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