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

页码：13932 / 13937

页数：6

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