IET Quantum Communication最新文献

Starting a new era for quantum technologies: In conversation with the deputy EiCs and the managing editor 开启量子技术的新时代：与副 EiC 和总编辑对话

IF 2.5

IET Quantum Communication Pub Date : 2024-08-13 DOI: 10.1049/qtc2.12108

Ruiqi Liu, Haris Pervaiz, Sophie Robinson

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Guest Editorial: Quantum industry: Applications in quantum communication (Quantum.Tech Europe 2022) 特邀社论：量子工业：量子通信中的应用（2022 年欧洲量子技术展）

IF 2.5

IET Quantum Communication Pub Date : 2024-07-18 DOI: 10.1049/qtc2.12104

Debashis De, Andrew Lord

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Classical channel bandwidth requirements in continuous variable quantum key distribution systems 连续可变量子密钥分发系统中的经典信道带宽要求

IF 2.5

IET Quantum Communication Pub Date : 2024-07-12 DOI: 10.1049/qtc2.12103

Margarida Almeida, Daniel F. Pereira, Armando N. Pinto, N. Silva

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Quantum machine learning with Qiskit: Evaluating regression accuracy and noise impact 利用 Qiskit 进行量子机器学习：评估回归精度和噪声影响

IF 2.5

IET Quantum Communication Pub Date : 2024-07-01 DOI: 10.1049/qtc2.12100

Amit Kumar, Neha Sharma, Dr Nikhil Kumar Marriwala, Sunita Panda, M. Aruna, Jeetendra Kumar

{"title":"Quantum machine learning with Qiskit: Evaluating regression accuracy and noise impact","authors":"Amit Kumar, Neha Sharma, Dr Nikhil Kumar Marriwala, Sunita Panda, M. Aruna, Jeetendra Kumar","doi":"10.1049/qtc2.12100","DOIUrl":"https://doi.org/10.1049/qtc2.12100","url":null,"abstract":"Quantum machine learning (QML) can be employed in solving complicated machine learning tasks although the performance in examining the regression processes is only barely understood. Knowledge gaps are intended to be closed by studying modelling performance of QML in regression tasks, with emphasis being dedicated to scaling up and ability to resist noise. The regression part offers the following functions that include straight line and complex operations. Furthermore, the authors employ quantum neural networks generated using Qiskit to perform experiments. The results demonstrate that QML has a remarkable level of accuracy in basic regressions, reaching a maximum of 97%. Nevertheless, there are difficulties in representing intricate functions, such as 5 × cos(x), which results in a noticeable decline in performance. The work deals with the influence of noise and IERs from imperfect hardware on the efficiency of QML algorithms providing insight into the core obstacles. The result of a detailed examination of the results that have tested the powers and limits of QML in the development of regression applications is represented. The future direction of research and development will be defined by the results obtained in it.","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141702389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Advances in artificial intelligence and machine learning for quantum communication applications 人工智能和机器学习在量子通信应用方面的进展

IF 2.5

IET Quantum Communication Pub Date : 2024-04-16 DOI: 10.1049/qtc2.12094

Mhlambululi Mafu

{"title":"Advances in artificial intelligence and machine learning for quantum communication applications","authors":"Mhlambululi Mafu","doi":"10.1049/qtc2.12094","DOIUrl":"10.1049/qtc2.12094","url":null,"abstract":"Artificial intelligence (AI) and classical machine learning (ML) techniques have revolutionised numerous fields, including quantum communication. Quantum communication technologies rely heavily on quantum resources, which can be challenging to produce, control, and maintain effectively to ensure optimum performance. ML has recently been applied to quantum communication and networks to mitigate noise-induced errors and analyse quantum protocols. The authors systematically review state-of-the-art ML applications to advance theoretical and experimental central quantum communication protocols, specifically quantum key distribution, quantum teleportation, quantum secret sharing, and quantum networks. Specifically, the authors survey the progress on how ML and, more broadly, AI techniques have been applied to optimise various components of a quantum communication system. This has resulted in ultra-secure quantum communication protocols with optimised key generation rates as well as efficient and robust quantum networks. Integrating AI and ML techniques opens intriguing prospects for securing and facilitating efficient and reliable large-scale communication between multiple parties. Most significantly, large-scale communication networks have the potential to gradually develop the maturity of a future quantum internet.","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/qtc2.12094","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140698389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

End-to-end demonstration for CubeSatellite quantum key distribution 立方体卫星量子密钥分发的端到端演示

IF 2.5

IET Quantum Communication Pub Date : 2024-04-14 DOI: 10.1049/qtc2.12093

Peide Zhang, Jaya Sagar, Elliott Hastings, Milan Stefko, Siddarth Joshi, John Rarity

{"title":"End-to-end demonstration for CubeSatellite quantum key distribution","authors":"Peide Zhang, Jaya Sagar, Elliott Hastings, Milan Stefko, Siddarth Joshi, John Rarity","doi":"10.1049/qtc2.12093","DOIUrl":"https://doi.org/10.1049/qtc2.12093","url":null,"abstract":"Quantum key distribution (QKD) provides a method of ensuring security using the laws of physics, avoiding the risks inherent in cryptosystems protected by computational complexity. Here, the authors investigate the feasibility of satellite-based quantum key exchange using low-cost compact nano-satellites. The first prototype of system level quantum key distribution aimed at the Cube satellite scenario is demonstrated. It consists of a transmitter payload, a ground receiver and simulated free space channel to verify the timing and synchronisation (T&S) scheme designed for QKD and the required high loss tolerance of both QKD and T&S channels. The transmitter is designed to be deployed on various up-coming nano-satellite missions in the UK and internationally. The effects of channel loss, background noise, gate width and mean photon number on the secure key rate (SKR) and quantum bit error rate (QBER) are discussed. The authors also analyse the source of QBER and establish the relationship between effective signal noise ratio (ESNR) and noise level, signal strength, gating window and other parameters as a reference for SKR optimisation. The experiment shows that it can tolerate the 40 dB loss expected in space to ground QKD and with small adjustment decoy states can be achieved. The discussion offers valuable insight not only for the design and optimisation of miniature low-cost satellite-based QKD systems but also any other short or long range free space QKD on the ground or in the air.","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/qtc2.12093","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Entanglement and teleportation in quantum key distribution for secure wireless systems 安全无线系统量子密钥分发中的纠缠和远距传输

IET Quantum Communication Pub Date : 2024-03-19 DOI: 10.1049/qtc2.12092

Md. Ferdous Ahammed, M. I. Kadir

引用次数: 0

Successive data injection in conditional quantum GAN applied to time series anomaly detection 条件量子 GAN 中的连续数据注入应用于时间序列异常检测

IF 2.5

IET Quantum Communication Pub Date : 2024-02-27 DOI: 10.1049/qtc2.12088

Benjamin Kalfon, Soumaya Cherkaoui, Jean-Frédéric Laprade, Ola Ahmad, Shengrui Wang

{"title":"Successive data injection in conditional quantum GAN applied to time series anomaly detection","authors":"Benjamin Kalfon, Soumaya Cherkaoui, Jean-Frédéric Laprade, Ola Ahmad, Shengrui Wang","doi":"10.1049/qtc2.12088","DOIUrl":"https://doi.org/10.1049/qtc2.12088","url":null,"abstract":"Classical GAN architectures have shown interesting results for solving anomaly detection problems in general and for time series anomalies in particular, such as those arising in communication networks. In recent years, several quantum GAN (QGAN) architectures have been proposed in the literature. When detecting anomalies in time series using QGANs, huge challenges arise due to the limited number of qubits compared to the size of the data. To address these challenges, a new high-dimensional encoding approach, named Successive Data Injection (SuDaI) is proposed. In this approach, SuDaI explores a larger portion of the quantum state, compared to the conventional angle encoding method used predominantly in the literature. This is achieved through repeated data injections into the quantum state. SuDaI encoding allows the authors to adapt the QGAN for anomaly detection with network data of a much higher dimensionality than with the existing known QGANs implementations. In addition, SuDaI encoding applies to other types of high-dimensional time series and can be used in contexts beyond anomaly detection and QGANs, opening up therefore multiple fields of application.","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/qtc2.12088","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The impact of spot‐size on single‐photon avalanche diode timing‐jitter and quantum key distribution 光斑大小对单光子雪崩二极管定时抖动和量子密钥分布的影响

IET Quantum Communication Pub Date : 2024-02-26 DOI: 10.1049/qtc2.12091

Alexandra Lee, Alfonso Tello Castillo, Craig Whitehill, Ross Donaldson

{"title":"The impact of spot‐size on single‐photon avalanche diode timing‐jitter and quantum key distribution","authors":"Alexandra Lee, Alfonso Tello Castillo, Craig Whitehill, Ross Donaldson","doi":"10.1049/qtc2.12091","DOIUrl":"https://doi.org/10.1049/qtc2.12091","url":null,"abstract":"In free‐space implementations of Quantum key distribution (QKD), the wide adoption of near‐Infrared wavelengths has led to the common use of silicon single‐photon avalanche diodes (Si‐SPAD) for receiver systems. While the impacts of some SPAD properties on QKD have been explored extensively, the relationship of spot‐size and spatial position on the full instrumental response and thus quantum bit error rate (QBER) has been studied little. Changes in spot size and spatial position can result from atmospheric turbulence and pointing and tracking errors. Here, An empirical analysis of that relationship is presented utilising a large active area, 500 μm, free‐space coupled Si‐SPAD designed for free‐space QKD. A baseline full‐width at half‐maximum timing jitter of 182 ps and a QBER contribution of 0.1 % for a 1 GHz clock frequency QKD system and 100 ps time‐gating window are reported. The impacts of spot‐size and spatial position can increase the QBER to over 0.3%. The link between the spot‐size and timing jitter will allow the understanding of tolerancing for the alignment of Si‐SPADs within free‐space QKD receiver systems—an important factor in designing properly engineered practical systems and the equipment needed to compensate for atmospheric turbulence and pointing and tracking.","PeriodicalId":100651,"journal":{"name":"IET Quantum Communication","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140429039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel quantum key distribution resistant against large‐pulse attacks 可抵御大脉冲攻击的新型量子密钥分发技术

IET Quantum Communication Pub Date : 2024-02-12 DOI: 10.1049/qtc2.12089

Keaotshepha Karabo, Comfort Sekga, Connor Kissack, M. Mafu, Francesco Petruccione

引用次数: 0