Diamond photonics for distributed quantum networks

IF 7.4 1区 物理与天体物理 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Sam Johnson, Philip R. Dolan, Jason M. Smith
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引用次数: 26

Abstract

The distributed quantum network, in which nodes comprising small but well-controlled quantum states are entangled via photonic channels, has in recent years emerged as a strategy for delivering a range of quantum technologies including secure communications, enhanced sensing and scalable quantum computing. Colour centres in diamond are amongst the most promising candidates for nodes fabricated in the solid-state, offering potential for large scale production and for chip-scale integrated devices. In this review we consider the progress made and the remaining challenges in developing diamond-based nodes for quantum networks. We focus on the nitrogen-vacancy and silicon-vacancy colour centres, which have demonstrated many of the necessary attributes for these applications. We focus in particular on the use of waveguides and other photonic microstructures for increasing the efficiency with which photons emitted from these colour centres can be coupled into a network, and the use of microcavities for increasing the fraction of photons emitted that are suitable for generating entanglement between nodes.

分布式量子网络的钻石光子学
近年来,分布式量子网络已成为提供一系列量子技术的一种策略,包括安全通信、增强传感和可扩展量子计算。在分布式量子网络中,由小但控制良好的量子态组成的节点通过光子通道纠缠在一起。钻石中的色心是固态制造节点最有希望的候选者之一,为大规模生产和芯片级集成器件提供了潜力。在这篇综述中,我们考虑了在量子网络中开发基于钻石的节点所取得的进展和仍然存在的挑战。我们专注于氮空位和硅空位色中心,它们已经展示了这些应用的许多必要属性。我们特别关注波导和其他光子微结构的使用,以提高从这些色中心发射的光子可以耦合到网络中的效率,并使用微腔来增加适合在节点之间产生纠缠的发射光子的比例。
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来源期刊
Progress in Quantum Electronics
Progress in Quantum Electronics 工程技术-工程:电子与电气
CiteScore
18.50
自引率
0.00%
发文量
23
审稿时长
150 days
期刊介绍: Progress in Quantum Electronics, established in 1969, is an esteemed international review journal dedicated to sharing cutting-edge topics in quantum electronics and its applications. The journal disseminates papers covering theoretical and experimental aspects of contemporary research, including advances in physics, technology, and engineering relevant to quantum electronics. It also encourages interdisciplinary research, welcoming papers that contribute new knowledge in areas such as bio and nano-related work.
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