Oxide-free vertical-cavity surface-emitting lasers with low junction temperature and high drive level

被引:9
作者
Yang, X. [1 ]
Li, M. [1 ]
Zhao, G. [2 ]
Zhang, Y. [1 ]
Freisem, S. [1 ,2 ]
Deppe, D. G. [1 ,2 ]
机构
[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
[2] SdPhoton LLC, Oviedo, FL 32765 USA
关键词
VCSELS;
D O I
10.1049/el.2014.2626
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
Data are presented showing that lithographic vertical-cavity surface-emitting lasers (VCSELs) produce minimal junction temperature rise compared to oxide VCSELs. Eliminating the thermal block caused by internal oxides combined with improved mirror materials reduces the junction temperature. The elimination of internal oxide, lower junction temperature and reduced internal strain promise increased reliability in the new VCSELs. Power conversion efficiencies in excess of similar to 50% are reported, even for very small lithographic VCSELs.
引用
收藏
页码:1474 / +
页数:2
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