Reliability of etched-mesa buried-heterostructure semiconductor lasers

被引:9
作者
Huang, JS [1 ]
Nguyen, T
Hsin, W
Aeby, I
Ceballo, R
Krogen, J
机构
[1] Ortel, Alhambra, CA 91803 USA
[2] Emcore Corp, Albuquerque, NM 87123 USA
关键词
degradation mechanism; optoelectronic devices; reliability; SEM; semiconductor lasers; TEM;
D O I
10.1109/TDMR.2005.860562
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper reviews the effects of metal-contact-type buried-heterostructure (BH) interfaces and substrate quality on the reliability of BH distributed-feedback (DFB) InGaAsP/InP lasers. For electrical contact, the significant improvement in device lifetime using Au/Ti/Pt/Au p-metallization over Au/Zn/Au will be shown. The temperature and current-density-acceleration factors of the diffusion of An spiking during life-test aging are estimated. For BH interfaces, performance degradation related to damage on the mesa sidewall generated during the etching process and regrowth processes will be discussed. For the substrate, various failure mechanisms related to the formation and propagation of dark-spot defects (DSD) will be reviewed. The authors discussed various process remedies and show that a thicker buffer may lead to reliability-performance improvement with experimental results. This paper concludes with a brief description of the time-to-failure extrapolation methodology used.
引用
收藏
页码:665 / 674
页数:10
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