LENGTH DEPENDENCE OF THRESHOLD CURRENT IN MULTIPLE QUANTUM WELL LASERS

被引:8
作者
WILCOX, JZ [1 ]
PETERSON, GL [1 ]
OU, S [1 ]
YANG, JJ [1 ]
JANSEN, M [1 ]
SCHECHTER, D [1 ]
机构
[1] CALIF STATE UNIV LONG BEACH,DEPT PHYS,LONG BEACH,CA 90840
关键词
Laser Beams--Spectrum Analysis;
D O I
10.1049/el:19880828
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
The threshold current density of single-quantum-well lasers increases at short laser lengths more rapidly than for multiple-well lasers. Using microscopic gain calculations, these differences are shown to be a natural consequence of the nonlinear gain/current relation associated with high electron concentrations in thin wells. The threshold current shows a minimum that depends on facet reflectivities and number of wells.
引用
收藏
页码:1218 / 1220
页数:3
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