REAL-TIME ELECTRON-CYCLOTRON OSCILLATIONS OBSERVED BY TERAHERTZ TECHNIQUES IN SEMICONDUCTOR HETEROSTRUCTURES

被引:33
作者
SOME, D [1 ]
NURMIKKO, AV [1 ]
机构
[1] BROWN UNIV,DEPT PHYS,PROVIDENCE,RI 02912
关键词
D O I
10.1063/1.112397
中图分类号
O59 [应用物理学];
学科分类号
摘要
We demonstrate the application of optoelectronically generated terahertz electromagnetic transients to real-time detection of coherent oscillations by free electrons in modulation doped semiconductor heterostructures, due to the cyclotron resonance. The damping of these oscillations gives a direct measure of the electron dephasing which can be compared with scattering rates obtained from dc transport measurements. © 1994 American Institute of Physics.
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页码:3377 / 3379
页数:3
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