High-performance 980-nm ridge waveguide lasers with a nearly circular beam

被引:25
|
作者
Yang, GW
Smith, GM
Davis, MK
Kussmaul, A
Loeber, DAS
Hu, MH [1 ]
Nguyen, HK
Zah, CE
Bhat, R
机构
[1] Corning Lasertron Inc, Bedford, MA 01730 USA
[2] Opto Via Corp, Acton, MA 01720 USA
关键词
beam divergence; diode lasers; fiber Bragg grating (FBG); semiconductor lasers;
D O I
10.1109/LPT.2004.824662
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
We report high-performance 980-nm ridge wave-guide quantum-well lasers with extremely low vertical beam divergence of 13degrees. A very small aspect ratio of 1.6 is obtained at high operating power of 900 mW. In addition to the more circular beam, low threshold, high efficiency, high characteristic temperature, and high output power of over 1.18 W are achieved. The fiber coupled output power can be as high as 680 mW with fiber Bragg grating stabilization. Excellent wavelength and power stability are also demonstrated.
引用
收藏
页码:981 / 983
页数:3
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