Study of coherent folded acoustic phonons in GaAs/AlAs superlattices by two-color pump-probe technique

被引：0
|
作者：
Mizoguchi, K [1 ]
Hase, M [1 ]
Nakashima, S [1 ]
Nakayama, M [1 ]
机构：
[1] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan
来源：
ULTRAFAST PHENOMENA XI | 1998年 / 63卷
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D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
We have observed coherent folded. longitudinal acoustic phonons in periodic superlattices by one- and two-color pump-probe measurements. The time-resolved spectrum with violet pump and near-IR probe beams indicates that the coherent folded acoustic phonons generated near the surface propagate to a substrate and are observed only when the acoustic phonons propagate in the superlattice layer.
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页码：269 / 271
页数：3
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