On the possibility of trapping of a solitary electromagnetic wave by a superlattice imperfection

被引：0
|
作者：
S. V. Kryuchkov
É. G. Fedorov
机构：
[1] Volgograd State Pedagogical University,
来源：
Optics and Spectroscopy | 2003年 / 94卷
关键词：
Solitary Wave; Electron Energy Spectrum; Narrow Layer; Increase Electron Concentration; Direct Current Density;
D O I：
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学科分类号：
摘要：
The interaction between a solitary electromagnetic wave and a narrow layer with an increased electron concentration in a semiconductor superlattice in a preset uniform alternating electric field directed along the superlattice axis is investigated. The model of the electron energy spectrum in the superlattice is chosen in the strong coupling approximation taking into account the second harmonic. It is shown that, for certain relations between the amplitude and frequency of the alternating electric field, a solitary electromagnetic wave approaching the layer with an increased electron concentration can be trapped by this layer.
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页码：225 / 229
页数：4
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