Narrow versus broad asymmetric waveguides for single-mode high-power laser diodes

被引：15
作者：
Ryvkin, Boris S. [1 ,2 ]
Avrutin, Eugene A. [3 ]
Kostamovaara, Juha T. [2 ]
机构：
[1] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[2] Univ Oulu, Dept Elect & Informat Engn, Elect Lab, FIN-90014 Oulu, Finland
[3] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 01期
关键词：
OPTICAL PULSE GENERATION; QUANTUM-WELL LASERS; MU-M; HETEROSTRUCTURE;
D O I：
10.1063/1.4812571
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate numerically the effect of the optical confinement layer thickness on the far field properties (far field shape and input efficiency) and confinement factor of an asymmetric-waveguide high power laser diode. A strong correlation is found between the confinement and input efficiency. It is shown that the far field properties of lasers with narrow asymmetric structures tend to be superior to those of broad waveguide ones with a similar confinement factor. (C) 2013 AIP Publishing LLC.
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页数：4
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