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The relevance of dephasing in THz valence band polariton dispersion relations

机译:太赫兹价带极化子色散关系中移相的相关性

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摘要

THz polaritons have strong potential for device applications and are a challenging field of fundamental studies. In this paper, we use a simplified mathematical model based on a nonlinear dielectric constant approach to the optical susceptibility to describe the coupling of TE-polarized THz radiation with an intervalence band transition in GaAs/Al_(0.3)Ga_(0.7)As multiple quantum wells embedded in microcavities. The energy dispersions relations leading to THz polaritons are investigated. Here we focus on the interplay of cavity length and size of the active region against the dephasing mechanisms on polariton dispersion relations.
机译:太赫兹极化子在器件应用中具有强大的潜力,并且是基础研究的一个充满挑战的领域。在本文中,我们使用基于非线性介电常数方法的简化数学模型来计算光敏感性,以描述TE极化太赫兹辐射与GaAs / Al_(0.3)Ga_(0.7)As多量子跃迁中的能带跃迁耦合。嵌入微腔的孔。研究了导致太赫兹极化子的能量色散关系。在这里,我们集中讨论腔长度和有源区大小对极化子色散关系上的相移机制的相互作用。

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