COHERENT GENERATION AND INTERFERENCE OF EXCITONS AND BIEXCITONS IN GAAS/ALXGA1-XAS QUANTUM-WELLS

被引：113

作者：

PANTKE, KH ^{[1
]}

OBERHAUSER, D ^{[1
]}

LYSSENKO, VG ^{[1
]}

HVAM, JM ^{[1
]}

WEIMANN, G ^{[1
]}

机构：

[1] WALTER SCHOTTKY INST,W-8046 GARCHING,GERMANY

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.47.2413

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report measurements of two-photon transitions to the biexciton state and exciton-biexciton transitions (Mb and) in GaAs/AlxGa1-xAs multiple quantum wells by spectrally resolving the self-diffraction in a four-wave-mixing experiment. Furthermore, nonlinear quantum beats between a coherently prepared population of excitons and biexcitons are observed The analysis yields a binding energy of 1.8 meV for the biexciton in 116-angstrom quantum wells.

引用

页码：2413 / 2416

页数：4

共 19 条

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