High power high efficiency single emitter laser diode with high reliability operation

被引:0
|
作者
Morohashi, R. [1 ]
Uchiyama, M. [1 ]
Kawakami, T. [2 ]
Yamagata, Y. [1 ]
Terada, Y. [1 ]
机构
[1] Fujikura Ltd, Opt Technol R&D Ctr, 1440 Mutsuzaki, Sakura, Chiba 2858550, Japan
[2] Fujikura Ltd, Fiber Laser Div, 1440 Mutsuzaki, Sakura, Chiba 2858550, Japan
关键词
semiconductor laser; high power; waveguide structure; high efficiency;
D O I
10.1109/ISLC57752.2024.10717339
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
To maximize output with low vertical divergence of single emitter laser diodes, epitaxial structures were designed and fabricated with two types of waveguide structures. At a driving current of 27 A under room temperature, high power of 27.9 W and high efficiency of 66.5% was achieved. The vertical far-field divergence angle with 95% power intensity of 47 degrees was obtained. The aging test with temperature acceleration passed 3,500 hours without failure.
引用
收藏
页数:2
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