Control of coherent acoustic phonons

被引：0

作者：

Özgür, Ümit ^{[1
]}

Lee, Chang-Won ^{[1
]}

Everitt, Henry O. ^{[1
]}

机构：

[1] Department of Physics, Duke University, Durham, NC, United States

来源：

Optics and Photonics News | 2001年 / 12卷 / 12期

关键词：

Acoustics - Quantum theory - Semiconductor quantum wells - Ultrafast phenomena;

D O I：

10.1364/OPN.12.12.000066

中图分类号：

学科分类号：

摘要：

Control behavior of coherent acoustic phonons was studied. Acoustic phonons in semiconductor multiple quantum wells (MQW) are expected to have very long coherence times. Semiconductor MQWs produce zone folding of the acoustic phonon branch, allowing direct Raman excitation.

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