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首页> 外文期刊>Physica, B. Condensed Matter >Influences of conduction band non-parabolicity on intersubband absorption and photon drag in a single quantum well
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Influences of conduction band non-parabolicity on intersubband absorption and photon drag in a single quantum well

机译:导带非抛物线对单量子阱中子带间吸收和光子阻力的影响

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摘要

On the basis of a microscopic nonlocal theory and k centre dot p approach, an analysis of conduction band non-parabolicity effects on the linear absorption and photon drag arising from intersubband transitions in a single quantum well has been carried out. It is shown via detailed numerical simulations that, in comparison with the non-parabolic band model, the parabolic model overestimates intersubband absorption and photon drag current; blueshifts of the absorption peak and zero crossing of photon drag current are also overestimated.
机译:基于微观非局部理论和k中心点p方法,已对单个量子阱中子带间跃迁引起的线性吸收和光子阻力的导带非抛物线效应进行了分析。通过详细的数值模拟表明,与非抛物线带模型相比,抛物线模型高估了子带间吸收和光子拖曳电流。吸收峰的蓝移和光子拖曳电流的零交叉也被高估了。

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