量子阱和异质层中由光声子发射辅助跃迁时间共振产生的相干太赫兹辐射

P. Shiktorov, E. Starikov, V. Gruzinskis, L. Varani, C. Palermo, J. Millithaler
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引用次数: 0

摘要

为了分析光声子跃迁时间共振产生太赫兹辐射的主要特征,建立了基于块体材料和二维结构的广义参数的简化分析模型。在这种模型和直接蒙特卡罗模拟的框架下,预测从3D和2D输运产生太赫兹辐射的截止频率将增加5倍。
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Generation of coherent terahertz radiation due to optical-phonon emission assisted transit-time resonance in quantum wells and heterolayers
To analyze the main features of THz radiation generation caused by optical-phonon transit-time resonance a simplified analytical model is developed in terms of some generalized parameters of bulk materials and 2D structures. In the framework of such a model and direct Monte Carlo simulations an increase up to 5 times of the cutoff frequency for THz radiation generation is predicted going from 3D and 2D transport.
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