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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs
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Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs

机译：基于超导体的量子点发光二极管：库珀对在产生纠缠光子对中的作用

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摘要

The realization of solid-state photon sources that are capable of on-demand generation of an entangled single-photon pair at a time is highly desired for quantum information processing and communication. A new method of generating an entangled single-photon pair at a time is proposed employing Cooper-pair-related radiative recombination in a quantum dot (QD). Cooper pairs are bosons and the control of their number states is difficult. Pauli's exclusion principle on quasiparticles in a discrete state of a QD regulates the number state of the generated photon pairs in this scheme. The fundamental heterostructures for constructing superconductor-based quantum-dot light-emitting diodes (SQ-LEDs) and the fundamental operation conditions of SQ-LED will be discussed. The experimental studies on Cooper-pair injection into the related semiconductor structures will be also discussed.
机译：对于量子信息处理和通信，非常需要实现能够一次按需生成纠缠的单光子对的固态光子源。提出了一种在量子点（QD）中利用库珀对相关的辐射复合产生一次纠缠单光子对的新方法。库珀对是玻色子，并且难以控制它们的数量状态。保利关于量子点离散状态下的准粒子的排他原理在该方案中调节了产生的光子对的数量状态。将讨论构造基于超导体的量子点发光二极管（SQ-LED）的基本异质结构和SQ-LED的基本工作条件。还讨论了将库珀对注入相关半导体结构的实验研究。

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