RUI: CQIS: OP: State-Preparation-and-Measurement Tomography

RUI:CQIS:OP:状态准备和测量断层扫描

基本信息

  • 批准号:
    1855174
  • 负责人:
  • 金额:
    $ 14.27万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-12 至 2022-08-31
  • 项目状态:
    已结题

项目摘要

Quantum mechanics is on the threshold of fundamentally changing modern technology in a number of areas, with new technologies emerging regularly. As these emerge, verification techniques are necessary to ensure confidence and reliability. The primary objective of this project is to develop new ways of uncovering errors that occur in quantum systems, while using a minimum of assumptions about those systems. For example, in quantum communication involving quantum key sharing, it is important for the communications partners to be assured that they have successfully shared a secret key, when in fact they have not. The error detection scheme at the core of this project will let them detect this error, while making a minimum of assumptions about their apparatus. The experiments will advance the movement of quantum technologies from theoretical possibility to actual implementation. These experiments will be performed by undergraduate students, preparing them for scientific careers by exposing them to emerging fields of research and new technologies.Two important operations performed in experiments characterizing quantum systems are (i) preparing systems in particular states and then (ii) performing measurements on those states. State preparation and measurement are usually independent, uncorrelated operations, and when analyzing data it is usually assumed that this is the case. However, if there are indeed correlations between the state preparations and the measurements, it is possible to draw erroneous conclusions from measured data. The primary objective of this project is to experimentally demonstrate a technique called loop state-preparation-and-measurement (SPAM) tomography, which is capable of detecting such correlated errors while making a minimum of assumptions. No assumptions need to be made about either the state preparation or the measurements, other than that the experimenter knows the Hilbert space dimension of the system they are working with. Experiments will be performed on one- and two-qubit systems, with the qubits encoded in the polarizations of individual photons. The group proposes to demonstrate that loop SPAM tomography is capable of detecting correlations between state preparations and measurements of single qubits. They also propose to detect nonlocal correlations between measurements of two qubits in which one party is attempting to fake a Bell inequality violation.
量子力学即将从根本上改变许多领域的现代技术,新技术经常出现。随着这些问题的出现,需要核查技术来确保可信度和可靠性。 该项目的主要目标是开发新的方法来发现量子系统中发生的错误,同时使用关于这些系统的最少假设。例如,在涉及量子密钥共享的量子通信中,重要的是要确保通信伙伴已经成功地共享了密钥,而实际上他们没有。该项目的核心错误检测方案将让他们检测到这种错误,同时对他们的设备进行最少的假设。这些实验将推动量子技术从理论上的可能性走向实际实施。这些实验将由本科生进行,通过让他们接触新兴的研究领域和新技术,为他们的科学生涯做好准备。表征量子系统的实验中进行的两个重要操作是(i)在特定状态下准备系统,然后(ii)对这些状态进行测量。状态准备和测量通常是独立的、不相关的操作,在分析数据时,通常假设情况就是这样。然而,如果状态准备和测量之间确实存在相关性,则有可能从测量数据得出错误的结论。这个项目的主要目标是实验证明一种技术,称为循环状态准备和测量(SPAM)断层扫描,这是能够检测这种相关的错误,同时作出最小的假设。除了实验者知道他们正在研究的系统的希尔伯特空间维数之外,不需要对状态准备或测量进行任何假设。实验将在单量子比特和双量子比特系统上进行,量子比特编码在单个光子的偏振中。该小组建议证明循环SPAM断层扫描能够检测状态准备和单量子位测量之间的相关性。他们还建议检测两个量子比特测量之间的非局部相关性,其中一方试图伪造贝尔不等式违反。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Loop state-preparation-and-measurement tomography of a two-qubit system
双量子位系统的循环状态准备和测量断层扫描
State Preparation and Measurement Tomography via Unitary Transformations
通过酉变换进行状态准备和测量断层扫描
Detecting nonlocal correlated errors: Bob gets caught faking a Bell-inequality violation
检测非局部相关错误:Bob 被发现伪造贝尔不等式违规
  • DOI:
    10.1364/fio.2017.jw4a.21
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Feldman, M. E.;Juul, G. K.;van Enk, S. J.;Beck, M.
  • 通讯作者:
    Beck, M.
Self-consistent state and measurement tomography with fewer measurements
  • DOI:
    10.1103/physreva.104.012416
  • 发表时间:
    2021-07
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    A. Stephens;J. M. Cutshall;T. McPhee;M. Beck
  • 通讯作者:
    A. Stephens;J. M. Cutshall;T. McPhee;M. Beck
Detecting correlated errors in twin-field quantum key distribution
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Mark Beck其他文献

Weaving Caring Science into the AACN Essentials: A cross-impact analysis and resource guide
  • DOI:
    10.1016/j.profnurs.2024.11.001
  • 发表时间:
    2025-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Sara Horton-Deutsch;Danny G. Willis;Ludy Llasus;Mark Beck;Kerry Fankhauser;Deborah Ambrosio-Mawhirter;Jean Watson
  • 通讯作者:
    Jean Watson
Analyzing Patients' Complaints
分析患者的投诉
  • DOI:
    10.1097/ans.0000000000000278
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Y. Ming;Holly Wei;Hong Cheng;Jie Ming;Mark Beck
  • 通讯作者:
    Mark Beck
Ultrashort pulsed squeezing by optical parametric amplification.
通过光学参量放大进行超短脉冲压缩。

Mark Beck的其他文献

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{{ truncateString('Mark Beck', 18)}}的其他基金

RUI: CQIS: OP: State-Preparation-and-Measurement Tomography
RUI:CQIS:OP:状态准备和测量断层扫描
  • 批准号:
    1719390
  • 财政年份:
    2017
  • 资助金额:
    $ 14.27万
  • 项目类别:
    Standard Grant
Photon Based Undergraduate Quantum Mechanics Curriculum
基于光子的本科量子力学课程
  • 批准号:
    0340917
  • 财政年份:
    2004
  • 资助金额:
    $ 14.27万
  • 项目类别:
    Standard Grant
RUI: Amplitude Squeezing of Pulsed, Vertical-Cavity, Surface-Emitting Lasers
RUI:脉冲垂直腔表面发射激光器的振幅压缩
  • 批准号:
    0098398
  • 财政年份:
    2001
  • 资助金额:
    $ 14.27万
  • 项目类别:
    Continuing Grant
Photon Statistics of Pulsed, Vertical-Cavity, Surface-Emitting Lasers
脉冲垂直腔表面发射激光器的光子统计
  • 批准号:
    9732453
  • 财政年份:
    1998
  • 资助金额:
    $ 14.27万
  • 项目类别:
    Continuing Grant
1996 Presidential Awardee
1996年总统奖获得者
  • 批准号:
    9708681
  • 财政年份:
    1997
  • 资助金额:
    $ 14.27万
  • 项目类别:
    Standard Grant

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