Electron-determined nonuniform carrier distribution among InGaAsP multiple quantum wells

被引:4
作者
Lin, CF [1 ]
Wu, BR
Laih, LW
机构
[1] Natl Taiwan Univ, Grad Inst ElectroOpt Engn, Taipei 10764, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan
[3] Chunghua Telecom Co Ltd, Telecommun Lab, Taoyuan, Taiwan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2003年 / 42卷 / 9A期
关键词
laser diodes; superluminescent diodes; multiple quantum wells; nonuniform carrier distribution; separate-confinement heterostructure layer;
D O I
10.1143/JJAP.42.5557
中图分类号
O59 [应用物理学];
学科分类号
摘要
Experiments on laser diodes and superluminescent diodes with nonidentical InGaAsP multiple quantum wells (MQWs) show that quantum wells near the n-cladding layer could accumulate more carriers than those near the p-cladding layer, indicating that nonuniform carrier distribution is determined by electrons instead of holes. The electron-determined behavior is attributed to the thick separate-confinement heterostructure layer. This contrary observation to hole-determined nonuniform carrier distribution implies that carrier distribution among the MQWs could be engineered for desired purposes.
引用
收藏
页码:5557 / 5558
页数:2
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