COHERENT OSCILLATIONS OF A WAVE PACKET IN A SEMICONDUCTOR DOUBLE-QUANTUM-WELL STRUCTURE

被引:318
作者
LEO, K
SHAH, J
GOBEL, EO
DAMEN, TC
SCHMITTRINK, S
SCHAFER, W
KOHLER, K
机构
[1] AT&T BELL LABS,MURRAY HILL,NJ 07974
[2] FRAUNHOFER INST APPL SOLID STATE PHYS,W-7800 FREIBURG,GERMANY
[3] UNIV MARBURG,W-3550 MARBURG,GERMANY
[4] FORSCHUNGSZENTRUM JULICH,HLRZ,W-5170 JULICH,GERMANY
关键词
D O I
10.1103/PhysRevLett.66.201
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present the first study of the dynamics of an extended electronic wave packet in a solid. The wave packet is created in a GaAs/AlGaAs double-quantum-well structure by ultrashort pulse excitation. We observe the oscillatory motion of the wave packet between the two wells by using time-resolved degenerate four-wave-mixing and pump-and-probe spectroscopy.
引用
收藏
页码:201 / 204
页数:4
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