Gain spectroscopy of excitonic molecules and its dynamics in a ZnSe single quantum well

被引：25
|
作者：
Kozlov, V
Kelkar, P
Vertikov, A
Nurmikko, AV
Chu, CC
Han, J
Hua, CG
Gunshor, RL
机构：
[1] BROWN UNIV,DEPT PHYS,PROVIDENCE,RI 02912
[2] PURDUE UNIV,SCH ELECT ENGN,W LAFAYETTE,IN 47907
来源：
PHYSICAL REVIEW B | 1996年 / 54卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.54.13932
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate spectroscopically how optical gain is formed in an interacting system of excitons and biexcitons in a single ZnSe quantum well. The dynamics of gain formation are studied on a subpicosecond time scale in pump-probe experiments, revealing the influence of coherent effects and the impact of exciton-exciton and exciton-biexciton interactions. Spectrally resolved, polarization-dependent degenerate four-wave-mixing experiments further demonstrate how the excitonic many-body phenomena profoundly influence the nonlinear optical response in this II-VI semiconductor heterostructure.
引用
收藏
页码：13932 / 13937
页数：6
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