標題: Emission characteristics of optically pumped GaN-based vertical-cavity surface-emitting lasers
作者: Chu, Jung-Tang
Lu, Tien-Chang
You, Min
Su, Bor-Jye
Kao, Chih-Chiang
Kuo, Hao-Chung
Wang, Shing-Chung
光電工程學系
Department of Photonics
公開日期: 18-九月-2006
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.
URI: http://dx.doi.org/10.1063/1.2355476
http://hdl.handle.net/11536/11765
ISSN: 0003-6951
DOI: 10.1063/1.2355476
期刊: APPLIED PHYSICS LETTERS
Volume: 89
Issue: 12
結束頁: 
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