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题名: Blue-violet Lasing of Optically Pumped GaN-Based Vertical Cavity Surface-Emitting Laser With Dielectric Distributed Bragg Reflectors
作者: Zhang JY;  Cai LE;  Zhang BP;  Li SQ;  Lin F;  Shang JZ;  Wang DX;  Lin KC;  Yu JZ;  Wang QM
发表日期: 2009
摘要: Optically pumped GaN-based vertical cavity surface-emitting laser (VCSEL) with two Ta2O5/SiO2 dielectric distributed Bragg reflectors (DBRs) was fabricated via a simplifled procedure direct deposition of the top DBR onto the GaN surface exposed after substrate removal and no use of etching and polishing processes. Blue-violet lasing action was observed at a wavelength of 397.3 ran under optical pumping at room temperature with a threshold pumping energy density of about 71.5 mJ/cm(2). The laser action was further confirmed by a narrow emission linewidth of 0.13 nm and a degree of polarization of about 65%. The result suggests that practical blue-violet GaN-bsaed VCSEL can be realized by optimizing the laser lift-off technique for substrate removal.
刊名: JOURNAL OF LIGHTWAVE TECHNOLOGY
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zhang JY ; Cai LE ; Zhang BP ; Li SQ ; Lin F ; Shang JZ ; Wang DX ; Lin KC ; Yu JZ ; Wang QM .Blue-violet Lasing of Optically Pumped GaN-Based Vertical Cavity Surface-Emitting Laser With Dielectric Distributed Bragg Reflectors ,JOURNAL OF LIGHTWAVE TECHNOLOGY,2009 ,27(1-4):55-59
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