Quantum Information Processing with Bosonic Systems
玻色子系统的量子信息处理
基本信息
- 批准号:RGPIN-2021-02637
- 负责人:
- 金额:$ 2.11万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Quantum technology is widely anticipated to revolutionize numerous technological areas, such as computation, communication, sensing. Most current quantum technology research has focused on two-level (qubit) systems, but this approach suffers from major drawbacks in scalability and information capacity. In my NSERC Discovery program, I will target a promising alternative: bosonic quantum technology. Unlike a qubit, each bosonic mode offers effectively infinite quantum levels to store information. Furthermore, bosonic systems are ubiquitous in many platforms (e.g. photons, mechanical oscillators), some even incorporate 10,000 times more units than qubit devices. Nevertheless, analyzing the enormous bosonic degree of freedom is challenging, so nearly all aspects of bosonic technology, including applications, information encoding, and device analysis, have been less studied than qubit counterparts. Building on my past successes in filling some of these theoretical gaps, the long-term goal of my program is to further improve the practicality of bosonic quantum technology. In the next 5 years, my team will address three short-term objectives: 1: Develop bosonic simulator for open quantum systems (systems interacting with a bath). Highly scalable bosonic platforms allow both system and bath to be simulated. We will formulate the architecture of such simulator and analyze its error due to practical imperfections. 2: Devise protocol to extract continuous-variable (CV) resources. CV cluster state is the class of resourceful bosonic state (entanglement) that can be efficiently generated, but its utility is debatable due to intrinsic error. We will analyze its mathematical structure so as to devise procedures to convert the CV entanglement to qubit entanglement, which has numerous applications and well-studied error correction strategies. 3: Refine hybrid interface between itinerant and localized modes. We will explore strategies, e.g. high-speed control, recycling imperfect entanglement, and non-linear interaction, to distribute quantum resources more efficiently in remote devices. These works will make transformative contributions to a largely unexplored type of quantum technology with incredible potential. Specifically, our results will: 1) facilitate the development of a powerful simulator for studying open quantum phenomena, e.g. chemical and biological processes, which are of broad interest but too resource demanding to simulate with today's computers; 2) lead to a new `top-down' quantum computer that can evade the scalability bottleneck of existing qubit computers; 3) enable high-quality quantum networks that have diverse applications, e.g. in secure communication and precise telescopy. Additionally, the HQP trained in my program will become experts in quantum technology. Both the technological advancements and trained personnel in my program will help fuel Canada's blooming quantum industry; this will bring social and economic benefits to Canada.
人们普遍预期量子技术将彻底改变许多技术领域,如计算、通信、传感。目前大多数量子技术研究都集中在两级(量子比特)系统上,但这种方法在可扩展性和信息容量方面存在重大缺陷。在我的国家科学研究委员会发现计划中,我将瞄准一个有前途的替代方案:玻色子量子技术。与量子位不同,每个玻色子模式都提供了有效的无限量子水平来存储信息。此外,玻色子系统在许多平台(例如光子,机械振荡器)中无处不在,有些甚至包含比量子比特设备多10,000倍的单元。然而,分析巨大的玻色子自由度是具有挑战性的,因此几乎玻色子技术的所有方面,包括应用、信息编码和器件分析,都比量子比特的同行研究得少。在我过去成功地填补了这些理论空白的基础上,我的项目的长期目标是进一步提高玻色子量子技术的实用性。在未来5年,我的团队将解决三个短期目标:1:开发开放量子系统(与浴体相互作用的系统)的玻色子模拟器。高度可扩展的玻色子平台允许模拟系统和浴槽。我们将制定这种模拟器的架构,并分析其误差由于实际的不完善。2:设计协议提取连续变量(CV)资源。CV簇态是一类可以有效生成的资源丰富的玻色子态(纠缠态),但由于其固有误差,其效用存在争议。我们将分析它的数学结构,从而设计出将CV纠缠转换为量子比特纠缠的程序,量子比特纠缠具有许多应用和广泛研究的纠错策略。3:细化流动模式和局部模式的混合界面。我们将探索高速控制、回收不完美纠缠和非线性相互作用等策略,以更有效地在远程设备中分配量子资源。这些工作将为一种很大程度上未被探索的具有不可思议潜力的量子技术做出变革性的贡献。具体来说,我们的研究结果将:1)促进开发一个强大的模拟器来研究开放量子现象,例如化学和生物过程,这些现象具有广泛的兴趣,但对资源的要求太高,无法用今天的计算机模拟;2)导致一种新的“自上而下”量子计算机,可以逃避现有量子比特计算机的可扩展性瓶颈;3)实现具有多种应用的高质量量子网络,例如在安全通信和精确望远镜中。此外,在我的项目中培养的HQP将成为量子技术方面的专家。在我的项目中,技术进步和训练有素的人员将有助于推动加拿大蓬勃发展的量子产业;这将为加拿大带来社会和经济效益。
项目成果
期刊论文数量(0)
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Lau, HoiKwan其他文献
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{{ truncateString('Lau, HoiKwan', 18)}}的其他基金
Quantum Information Processing with Bosonic Systems
玻色子系统的量子信息处理
- 批准号:
RGPIN-2021-02637 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Quantum Information Science
量子信息科学
- 批准号:
CRC-2020-00134 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Canada Research Chairs
Quantum Information Processing with Bosonic Systems
玻色子系统的量子信息处理
- 批准号:
DGECR-2021-00078 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Launch Supplement
Quantum Information Science
量子信息科学
- 批准号:
CRC-2020-00134 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
Canada Research Chairs
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