Stimulated terahertz emission from excitons in Cu2O

被引：0
|
作者：
Kaindl, R. A. [1 ,2 ]
Huber, R. [1 ,2 ]
Schmid, B. A. [1 ,2 ]
Shen, Y. R. [1 ,2 ]
Chemla, D. S. [1 ,2 ]
机构：
[1] Univ Calif Berkeley, Dept Phys, 1 Cyclotron Rd,MS 2-300, Berkeley, CA 94720 USA
[2] E O Lawrence Berkeley Natl Lab, Mat Sci Div, Berkeley, CA 94720 USA
来源：
ULTRAFAST PHENOMENA XV | 2007年 / 88卷
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D O I：
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中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Using ultrashort terahertz (THz) pulses we observe stimulated emission between internal energy levels of excitons. Emission occurs in Cu2O due to the 3p to 2s transition at 6.6 meV, with a cross section of 10(-14) cm(2).
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页码：769 / +
页数：2
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