Emission characteristics of optically pumped GaN-based vertical-cavity surface-emitting lasers

被引：26

作者：

Chu, Jung-Tang

Lu, Tien-Chang

You, Min

Su, Bor-Jye

Kao, Chih-Chiang

Kuo, Hao-Chung

Wang, Shing-Chung

机构：

[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 300, Taiwan

[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 12期

关键词：

D O I：

10.1063/1.2355476

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The laser emission characteristics of a GaN-based vertical-cavity surface-emitting laser with two dielectric distributed Bragg reflectors were investigated under optically pumped operation at room temperature. The laser emitted wavelength at 415.9 nm with an emission linewidth of 0.25 nm and threshold pumping energy of 270 nJ. The laser has a high characteristic temperature of about 278 K and high spontaneous emission coupling factor of 10(-2). The laser emission showed single and multiple spot emission patterns with spectral and spatial variations under different pumping conditions. (c) 2006 American Institute of Physics.

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页数：3

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