4-WAVE-MIXING STUDIES OF QUANTUM-WELL EXCITONS IN A MAGNETIC-FIELD

被引：23
作者：
CARMEL, O
BARJOSEPH, I
机构：
[1] Department of Physics, The Weizmann Institute of Science
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.47.7606
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the results of four-wave-mixing experiments in GaAs quantum wells in a magnetic field. We find that the time evolution of the excitonic signal is strongly modified when a magnetic field is applied. Quantum beats, rotation of the echo polarization, recovery of the echo for cross-polarized exciting beams, and an increase in the dephasing times are observed.
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收藏
页码：7606 / 7609
页数：4
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