量子点用于量子信息技术

IF 25.2 1区 物理与天体物理 Q1 OPTICS Advances in Optics and Photonics Pub Date : 2023-07-10 DOI:10.1364/aop.490091
T. Heindel, Jehyung Kim, N. Gregersen, A. Rastelli, S. Reitzenstein
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引用次数: 1

摘要

单光子的产生、操作、存储和检测在新兴的光子量子信息技术中起着核心作用。单个光子充当飞行的量子比特,以高速和低损耗传输量子信息,例如在量子网络的单个节点之间。由于量子力学的定律,量子通信基本上是防敲击的,这解释了人们对这种现代信息技术的巨大兴趣。另一方面,量子计算机中的静止量子比特或光子态可能通过并行数据处理导致性能的巨大提高,当实现量子优势时,在特定任务中优于经典计算机。本文深入讨论了量子点在光子量子信息技术中的巨大潜力。在这种情况下,量子点形成了实现量子通信网络和光子量子计算机的关键资源,因为它们可以按需产生单个光子。此外,量子点与成熟的半导体技术兼容,因此可以相对容易地集成到纳米光子结构中,这是量子光源和集成光子量子电路的基础。在专题介绍之后,我们提出了器件设计和量子点器件物理描述的现代数值方法和理论方法。然后,我们提出了基于量子点的外延生长和量子器件的确定性纳米加工的现代方法和技术解决方案。此外,我们提出了包括单量子点作为有源元件的量子光源和光子量子电路最有前途的概念,并讨论了这些新器件在光子量子信息技术中的应用。最后,我们概述了尚未解决的问题,并展望了未来的发展。
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Quantum dots for quantum information technology
The generation, manipulation, storage, and detection of single photons play a central role in emerging photonic quantum information technology. Individual photons serve as flying qubits and transmit the quantum information at high speed and with low losses, for example between individual nodes of quantum networks. Due to the laws of quantum mechanics, quantum communication is fundamentally tap-proof, which explains the enormous interest in this modern information technology. On the other hand, stationary qubits or photonic states in quantum computers can potentially lead to enormous increases in performance through parallel data processing, to outperform classical computers in specific tasks when quantum advantage is achieved. Here, we discuss in depth the great potential of quantum dots (QDs) in photonic quantum information technology. In this context, QDs form a key resource for the implementation of quantum communication networks and photonic quantum computers because they can generate single photons on-demand. Moreover, QDs are compatible with the mature semiconductor technology, so that they can be integrated comparatively easily into nanophotonic structures, which form the basis for quantum light sources and integrated photonic quantum circuits. After a thematic introduction, we present modern numerical methods and theoretical approaches to device design and the physical description of quantum dot devices. We then present modern methods and technical solutions for the epitaxial growth and for the deterministic nanoprocessing of quantum devices based on QDs. Furthermore, we present the most promising concepts for quantum light sources and photonic quantum circuits that include single QDs as active elements and discuss applications of these novel devices in photonic quantum information technology. We close with an overview of open issues and an outlook on future developments.
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来源期刊
CiteScore
56.60
自引率
0.00%
发文量
13
期刊介绍: Advances in Optics and Photonics (AOP) is an all-electronic journal that publishes comprehensive review articles and multimedia tutorials. It is suitable for students, researchers, faculty, business professionals, and engineers interested in optics and photonics. The content of the journal covers advancements in these fields, ranging from fundamental science to engineering applications. The journal aims to capture the most significant developments in optics and photonics. It achieves this through long review articles and comprehensive tutorials written by prominent and respected authors who are at the forefront of their fields. The journal goes beyond traditional text-based articles by enhancing the content with multimedia elements, such as animation and video. This multimedia approach helps to enhance the understanding and visualization of complex concepts. AOP offers dedicated article preparation and peer-review support to assist authors throughout the publication process. This support ensures that the articles meet the journal's standards and are well-received by readers. Additionally, AOP welcomes comments on published review articles, encouraging further discussions and insights from the scientific community. In summary, Advances in Optics and Photonics is a comprehensive journal that provides authoritative and accessible content on advancements in optics and photonics. With its diverse range of articles, multimedia enhancements, and dedicated support, AOP serves as a valuable resource for professionals and researchers in these fields.
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