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International Conference on Optical Internet

Single atom quantum devices by ion lithography for information processing and transmission

David N. Jamieson

Published Jun 1, 2007• 0 citations
Publisher

Abstract

Over the past decade there has been a revolutionary reappraisal of fundamental quantum mechanical principles for technological applications. It now appears possible to exploit quantum superposition and entanglement in engineered quantum nanoscale devices with potentially revolutionary capabilities for information processing and transmission.

DOI
10.1109/coinacoft.2007.4519079

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Over the past decade there has been a revolutionary reappraisal of fundamental quantum mechanical principles for technological applications. It now appears possible to exploit quantum superposition and entanglement in engineered quantum nanoscale devices with potentially revolutionary capabilities for information processing and transmission.
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Quantum computing represents one of the most profound technological and intellectual advances of the twenty-first century. Rooted in the principles of quantum mechanics and enriched by developments in computer science, mathematics, and engineering, quantum computing offers fundamentally new ways of processing information. By exploiting phenomena such as superposition, entanglement, and quantum interference, quantum computers promise to solve certain classes of problems that remain intractable for even the most powerful classical machines.
Over the past few decades, significant progress has been made in quantum information technology, from theoretical studies to experimental demonstrations. Revolutionary quantum applications are now in the limelight, showcasing the advantages of quantum information technology and becoming a research hotspot in academia and industry. To enable quantum applications to have a more profound impact and wider application, the interconnection of multiple quantum nodes through quantum channels becomes essential. Building an entanglement-assisted quantum network, capable of realizing quantum information transmission between these quantum nodes, is the primary goal. However, entanglement-assisted quantum networks are governed by the unique laws of quantum mechanics, such as the superposition principle, the no-cloning theorem, and quantum entanglement, setting them apart from classical networks. Consequently, fundamental efforts are required to establish entanglement-assisted quantum networks. While some insightful surveys have paved the way for entanglement-assisted quantum networks, most of these studies focus on enabling technologies and quantum applications, neglecting critical network issues. In response, this paper presents a comprehensive survey of entanglement-assisted quantum networks. Alongside reviewing fundamental mechanics and enabling technologies, the paper provides a detailed overview of the network structure, working principles, and development stages, highlighting the differences from classical networks. Additionally, the challenges of building wide-area entanglement-assisted quantum networks are addressed. Furthermore, the paper emphasizes open research directions, including architecture design, entanglement-based network issues, and standardization, to facilitate the implementation of future entanglement-assisted quantum networks.