Advancing Quantum Communications using Next-Generation Optical Fibre

使用下一代光纤推进量子通信

基本信息

  • 批准号:
    2742638
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Studentship
  • 财政年份:
    2022
  • 资助国家:
    英国
  • 起止时间:
    2022 至 无数据
  • 项目状态:
    未结题

项目摘要

Secure communication technologies are the backbone of today's digital economy yet the security of current cryptographic tools, which are applied to protect global communications travelling across a network of optical fibre, is based on 'computational complexity'. This assumes an eavesdropper has limited computational resources to break complex mathematical problems. This assumption is invalidated in the coming quantum computing era and thus, urgent action is needed to ensure the continued security of our communication systems.Quantum key distribution (QKD) is a rapidly maturing technology that solves this problem by distributing secret digital keys using quantum light. As a frontier technology, the development of QKD systems is inherently multidisciplinary. This requires the careful fusion of quantum physics, high-speed electronics, low-loss photonics and high-performance software to generate, manipulate and measure light.While QKD has already been successfully deployed to many optical networks worldwide, this has always employed "standard" single-mode telecommunication fibre. Recently, there has been great progress in the development of nextgeneration optical fibres, using novel physical designs to achieve very different optical guidance characteristics. Such geometries include hollow-core and fewmode fibres, which offer many advantages for optical communications. This enables, for example, spatial division multiplexing to enhance the classical datacarrying capacity of fibre and reduction of nonlinear and dispersive effects, as well as reduced latency. Such new fibres could also offer many benefits for quantum communications, but these have yet to be explored.A PhD project based at Toshiba Europe Ltd is available to perform pioneering research into the development of quantum communication systems that exploit next-generation optical fibres. The project will commence with detailed optical characterisation of new types of optical fibres, measuring various linear and onlinear optical phenomena with a focus on how these affect the interaction between classical and quantum light signals. The candidate will then play a leading role in the experimental development of full QKD systems, designing, building and characterising optical transmitter and receiver modules to be connected by new types of optical fibre. This will involve extensive experimental research, combining both high-speed optical and electronic devices, in addition to developing control software. It is expected that the candidate will develop broad expertise with semiconductor lasers, short-pulse generation, optical modulation, high-speed RF electronics, linear and nonlinear fibre optics, quantum photonics, and single-photon photodetection. There are also opportunities for theoretical work to simulate and optimise optical systems and the underlying quantum communication protocols.
安全通信技术是当今数字经济的支柱,但目前用于保护通过光纤网络传输的全球通信的加密工具的安全性是基于“计算复杂性”。这假设窃听者只有有限的计算资源来破解复杂的数学问题。在即将到来的量子计算时代,这种假设是无效的,因此,需要采取紧急行动来确保我们的通信系统的持续安全性。量子密钥分发(QKD)是一种快速成熟的技术,它通过使用量子光来分发秘密数字密钥来解决这个问题。量子密钥分配系统作为一项前沿技术,其发展具有内在的多学科性。这需要量子物理学、高速电子学、低损耗光子学和高性能软件的精心融合,以产生、操纵和测量光。虽然QKD已经成功部署到全球许多光网络中,但这些网络一直采用“标准”单模电信光纤。最近,在下一代光纤的开发方面取得了很大进展,使用新颖的物理设计来实现非常不同的光学引导特性。这种几何结构包括空芯光纤和少模光纤,它们为光通信提供了许多优势。例如,这使得空分复用能够增强光纤的传统承载能力,减少非线性和色散效应,以及减少延迟。这种新的光纤也可以为量子通信提供许多好处,但这些好处还有待探索。东芝欧洲有限公司的一个博士项目可以对利用下一代光纤的量子通信系统的开发进行开创性研究。该项目将从新型光纤的详细光学特性开始,测量各种线性和非线性光学现象,重点关注这些现象如何影响经典和量子光信号之间的相互作用。然后,候选人将在完整QKD系统的实验开发中发挥主导作用,设计,构建和表征通过新型光纤连接的光发射器和接收器模块。这将涉及广泛的实验研究,结合高速光学和电子设备,以及开发控制软件。预计候选人将在半导体激光器,短脉冲产生,光学调制,高速RF电子学,线性和非线性光纤光学,量子光子学和单光子光电探测方面发展广泛的专业知识。还有机会进行理论工作,以模拟和优化光学系统和底层量子通信协议。

项目成果

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其他文献

Internet-administered, low-intensity cognitive behavioral therapy for parents of children treated for cancer: A feasibility trial (ENGAGE).
针对癌症儿童父母的互联网管理、低强度认知行为疗法:可行性试验 (ENGAGE)。
  • DOI:
    10.1002/cam4.5377
  • 发表时间:
    2023-03
  • 期刊:
  • 影响因子:
    4
  • 作者:
  • 通讯作者:
Differences in child and adolescent exposure to unhealthy food and beverage advertising on television in a self-regulatory environment.
在自我监管的环境中,儿童和青少年在电视上接触不健康食品和饮料广告的情况存在差异。
  • DOI:
    10.1186/s12889-023-15027-w
  • 发表时间:
    2023-03-23
  • 期刊:
  • 影响因子:
    4.5
  • 作者:
  • 通讯作者:
The association between rheumatoid arthritis and reduced estimated cardiorespiratory fitness is mediated by physical symptoms and negative emotions: a cross-sectional study.
类风湿性关节炎与估计心肺健康降低之间的关联是由身体症状和负面情绪介导的:一项横断面研究。
  • DOI:
    10.1007/s10067-023-06584-x
  • 发表时间:
    2023-07
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
  • 通讯作者:
ElasticBLAST: accelerating sequence search via cloud computing.
ElasticBLAST:通过云计算加速序列搜索。
  • DOI:
    10.1186/s12859-023-05245-9
  • 发表时间:
    2023-03-26
  • 期刊:
  • 影响因子:
    3
  • 作者:
  • 通讯作者:
Amplified EQCM-D detection of extracellular vesicles using 2D gold nanostructured arrays fabricated by block copolymer self-assembly.
使用通过嵌段共聚物自组装制造的 2D 金纳米结构阵列放大 EQCM-D 检测细胞外囊泡。
  • DOI:
    10.1039/d2nh00424k
  • 发表时间:
    2023-03-27
  • 期刊:
  • 影响因子:
    9.7
  • 作者:
  • 通讯作者:

的其他文献

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{{ truncateString('', 18)}}的其他基金

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用于实时测量循环生物标志物的植入式生物传感器微系统
  • 批准号:
    2901954
  • 财政年份:
    2028
  • 资助金额:
    --
  • 项目类别:
    Studentship
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  • 批准号:
    2896097
  • 财政年份:
    2027
  • 资助金额:
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  • 财政年份:
    2027
  • 资助金额:
    --
  • 项目类别:
    Studentship
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质子、α 和 γ 辐照辅助应力腐蚀开裂:了解燃料-不锈钢界面
  • 批准号:
    2908693
  • 财政年份:
    2027
  • 资助金额:
    --
  • 项目类别:
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Field Assisted Sintering of Nuclear Fuel Simulants
核燃料模拟物的现场辅助烧结
  • 批准号:
    2908917
  • 财政年份:
    2027
  • 资助金额:
    --
  • 项目类别:
    Studentship
Assessment of new fatigue capable titanium alloys for aerospace applications
评估用于航空航天应用的新型抗疲劳钛合金
  • 批准号:
    2879438
  • 财政年份:
    2027
  • 资助金额:
    --
  • 项目类别:
    Studentship
Developing a 3D printed skin model using a Dextran - Collagen hydrogel to analyse the cellular and epigenetic effects of interleukin-17 inhibitors in
使用右旋糖酐-胶原蛋白水凝胶开发 3D 打印皮肤模型,以分析白细胞介素 17 抑制剂的细胞和表观遗传效应
  • 批准号:
    2890513
  • 财政年份:
    2027
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  • 项目类别:
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CDT year 1 so TBC in Oct 2024
CDT 第 1 年,预计 2024 年 10 月
  • 批准号:
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    2027
  • 资助金额:
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    Studentship
Understanding the interplay between the gut microbiome, behavior and urbanisation in wild birds
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  • 财政年份:
    2027
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