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Quantum well intermixing: materials modeling and device physics

机译：量子阱混合：材料建模和设备物理

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Quantum well composition intermixing is a thermal induced interdiffusion of the constituent atoms through the heterointerface. The intermixed structures created by both impurity induced and impurity free or vacancy promoted processes have recently attracted high attention. The interdiffusion mechanism is no longer confined to a single phase diffusion for two constituent atoms, but it can now consist of two or multiple phases and/or for multiple species, such as three cations interdiffusion and two pairs of cation-anion interdiffusion. A review on the impact of intermixing on device physics is presented with many interesting features. For instance, both compressive or tensile strain materials and both blue or red shifts in the bandgap can be achieved depending on the types of intermixing. The recent advancement in intermixing modified optical properties, such as absorption, refractive index as well as electro-optics effects are discussed. In addition, this paper will place a strong emphasis on the device application of the intermixing technology. The advantage of being able to tune the material provides a way to improve the performance of photodetectors and modulators. Attractive distributed-feedback and vertical cavity laser dynamics have been shown due to some unique device physics of the quantum well intermixing. Several state-of-the-art results will be summarized with an emphasis on its future development and directions.
机译：量子孔组合物混合是通过异质物表面热诱导组分原子的混合。由杂质诱导和杂质或空缺促进的过程产生的混合结构最近引起了高度关注。相互扩散机构不再限于两个组成原子的单相扩散，但现在它可以由两个或多个阶段和/或多个物种组成，例如三个阳离子间隔和两对阳离子阴离子相互作用。关于混合对设备物理的影响的审查具有许多有趣的功能。例如，可以根据混合的类型来实现压缩或拉伸应变材料和带隙中的蓝色或红色偏移，这取决于混合的类型。讨论了混合改性光学性质的最近进步，例如吸收，折射率以及电光效应。此外，本文将强调互联网技术应用。能够调整材料的优点提供了提高光电探测器和调制器的性能的方法。由于量子良好的混合井混合的一些独特的设备物理，已经显示了有吸引力的分布式反馈和垂直腔激光动力学。将概述几种最先进的结果，重点是未来的发展和方向。

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