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Transport properties of a single plasmon interacting with a hybrid exciton of a metal nanoparticle-semiconductor quantum dot system coupled to a plasmonic waveguide

机译:单等离激元与耦合到等离激元波导的金属纳米粒子-半​​导体量子点系统的混合激子相互作用的传输性质

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摘要

The transport properties of a single plasmon interacting with a hybrid system composed of a semiconductor quantum dot (SQD) and a metal nanoparticle (MNP) coupled to a one-dimensional surface plasmonic waveguide are investigated theoretically via the real-space approach. We considered that the MNP-SQD interaction leads to the formation of a hybrid exciton and the transmission and reflection of a single incident plasmon could be controlled by adjusting the frequency of the classical control field applied to the MNP-SQD hybrid nanosystem,the kinds of MNPs and the background media. The transport properties of a single plasmon interacting with such a hybrid nanosystem discussed here could find applications in the design of next-generation quantum devices, such as single-photon switching and nanomirrors, and in quantum information processing.
机译:理论上,通过实空间方法研究了单等离子体激元与由半导体量子点(SQD)和耦合至一维表面等离子体激元的金属纳米粒子(MNP)组成的混合系统相互作用的传输特性。我们认为MNP-SQD相互作用会导致杂化激子的形成,并且可以通过调节应用于MNP-SQD杂化纳米系统的经典控制场的频率来控制单个入射等离子体的透射和反射。 MNP和背景媒体。与此处讨论的这种杂化纳米系统相互作用的单等离激元的传输性质可以在下一代量子设备(例如单光子开关和纳米镜)的设计以及量子信息处理中找到应用。

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