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Progress towards a portable polarization-entangled photon source & receiver toolset for quantum network metrology 用于量子网络测量的便携式偏振纠缠光子源和接收器工具集的研究进展
Quantum 2.0 Conference and Exhibition Pub Date : 2022-08-26 DOI: 10.1364/quantum.2022.qth3c.3
A. Rahmouni, T. Gerrits, O. Slattery
{"title":"Progress towards a portable polarization-entangled photon source & receiver toolset for quantum network metrology","authors":"A. Rahmouni, T. Gerrits, O. Slattery","doi":"10.1364/quantum.2022.qth3c.3","DOIUrl":"https://doi.org/10.1364/quantum.2022.qth3c.3","url":null,"abstract":"The aim of this work is to develop low-cost, portable/rack-mounted, robust, and reliable tools for a quantum network testbed. We report our progress on the development of well-characterized prototypes of single-photon sources and receivers.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114719659","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: 1
Upper Bounds on Key Rates in Device-Independent Quantum Key Distribution Based on Convex-Combination Attacks 基于凸组合攻击的设备无关量子密钥分发中密钥速率上界
Quantum 2.0 Conference and Exhibition Pub Date : 2022-06-13 DOI: 10.1364/quantum.2022.qtu4c.1
Karol Lukanowski, Maria Balanz'o-Juand'o, M. Farkas, A. Ac'in, Jan Kolody'nski
{"title":"Upper Bounds on Key Rates in Device-Independent Quantum Key Distribution Based on Convex-Combination Attacks","authors":"Karol Lukanowski, Maria Balanz'o-Juand'o, M. Farkas, A. Ac'in, Jan Kolody'nski","doi":"10.1364/quantum.2022.qtu4c.1","DOIUrl":"https://doi.org/10.1364/quantum.2022.qtu4c.1","url":null,"abstract":"We provide an efficient, generic tool for upper-bounding key rates in device-independent quantum key distribution (DIQKD) and prove that Bell nonlocality is not suf-ficient for the security of standard DIQKD protocols.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131945594","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: 4
How Much Entanglement Do Quantum Optimization Algorithms Require? 量子优化算法需要多少纠缠?
Quantum 2.0 Conference and Exhibition Pub Date : 2022-05-24 DOI: 10.1364/quantum.2022.qm4a.2
Yanzhu Chen, Linghua Zhu, Chenxu Liu, N. Mayhall, Edwin Barnes, S. Economou
{"title":"How Much Entanglement Do Quantum Optimization Algorithms Require?","authors":"Yanzhu Chen, Linghua Zhu, Chenxu Liu, N. Mayhall, Edwin Barnes, S. Economou","doi":"10.1364/quantum.2022.qm4a.2","DOIUrl":"https://doi.org/10.1364/quantum.2022.qm4a.2","url":null,"abstract":"ADAPT-QAOA, a novel problem-tailored version of quantum approximate optimization algorithm, speeds up convergence using entangling operators while reducing the total number of CNOTs. We explore how much entanglement is required to speed up optimization algorithms.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129874122","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: 14
High-fidelity quantum transduction with long coherence time superconducting resonators 长相干时间超导谐振器的高保真量子转导
Quantum 2.0 Conference and Exhibition Pub Date : 2022-04-27 DOI: 10.1364/quantum.2022.qtu2a.7
Changqing Wang, Silvia Zorzetti
{"title":"High-fidelity quantum transduction with long coherence time superconducting resonators","authors":"Changqing Wang, Silvia Zorzetti","doi":"10.1364/quantum.2022.qtu2a.7","DOIUrl":"https://doi.org/10.1364/quantum.2022.qtu2a.7","url":null,"abstract":"We propose a novel quantum transduction hybrid system based on the coupling of long-coherence time superconducting cavities with electro-optic resonators to achieve high-efficiency and high-fidelity in quantum communication protocols and quantum sensing.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134314640","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: 2
Computing with two quantum reservoirs connected via optimized two-qubit nonselective measurements 通过优化的双量子位非选择性测量连接的两个量子库的计算
Quantum 2.0 Conference and Exhibition Pub Date : 2022-01-18 DOI: 10.1364/quantum.2022.qw2a.48
S. Vintskevich, D. Grigoriev
{"title":"Computing with two quantum reservoirs connected via optimized two-qubit nonselective measurements","authors":"S. Vintskevich, D. Grigoriev","doi":"10.1364/quantum.2022.qw2a.48","DOIUrl":"https://doi.org/10.1364/quantum.2022.qw2a.48","url":null,"abstract":"We propose a novel approach to link multipartite quantum systems - quantum reservoirs into a network to implement quantum reservoir computing. We present the machine learning-based heuristics to optimize performance and information transfer between systems.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134151769","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: 1
Proposal for Generating Complex Microwave Graph States Using Superconducting Circuits 利用超导电路产生复杂微波图态的方案
Quantum 2.0 Conference and Exhibition Pub Date : 2022-01-03 DOI: 10.1364/quantum.2022.qtu2a.21
Chenxu Liu, Edwin Barnes, S. Economou
{"title":"Proposal for Generating Complex Microwave Graph States Using Superconducting Circuits","authors":"Chenxu Liu, Edwin Barnes, S. Economou","doi":"10.1364/quantum.2022.qtu2a.21","DOIUrl":"https://doi.org/10.1364/quantum.2022.qtu2a.21","url":null,"abstract":"We propose to use transmon qubits to construct microwave 2D cluster states and repeater graph states. We design the generation circuits and compare the state fidelities of fixed- versus tunable-frequency transmon devices.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128401251","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: 2
Quantum limits to polarization measurement of classical light 经典光偏振测量的量子限制
Quantum 2.0 Conference and Exhibition Pub Date : 2021-12-10 DOI: 10.1364/quantum.2022.qw2a.39
Marcin Jarzyna
{"title":"Quantum limits to polarization measurement of classical light","authors":"Marcin Jarzyna","doi":"10.1364/quantum.2022.qw2a.39","DOIUrl":"https://doi.org/10.1364/quantum.2022.qw2a.39","url":null,"abstract":"I derive ultimate lower bound on the precision of polarization estimation for classical coherent light. I show that it is attainable with conventional detection schemes and discuss role of the global phase in this problem.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134549262","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: 2
General stabilizer approach for constructing highly entangled graph states 构造高纠缠图态的一般稳定器方法
Quantum 2.0 Conference and Exhibition Pub Date : 2021-11-15 DOI: 10.1103/PhysRevA.106.062424
Zahra Raissi, Adam Burchardt, Edwin Barnes
{"title":"General stabilizer approach for constructing highly entangled graph states","authors":"Zahra Raissi, Adam Burchardt, Edwin Barnes","doi":"10.1103/PhysRevA.106.062424","DOIUrl":"https://doi.org/10.1103/PhysRevA.106.062424","url":null,"abstract":"We uncover a large class of graph states that are maximally multipartite entangled. At least some of these are inequivalent under stochastic-local-operations and classical communication, as we show explicitly for a certain hierarchical subset.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124356626","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: 5
Experimental observation of anomalous supralinear response of single-photon detectors 单光子探测器异常超线性响应的实验观察
Quantum 2.0 Conference and Exhibition Pub Date : 2021-09-17 DOI: 10.1063/5.0106987
J. Hloušek, I. Straka, M. Ježek
{"title":"Experimental observation of anomalous supralinear response of single-photon detectors","authors":"J. Hloušek, I. Straka, M. Ježek","doi":"10.1063/5.0106987","DOIUrl":"https://doi.org/10.1063/5.0106987","url":null,"abstract":"We demonstrate a direct single-source method for absolute measurement of nonlinearity of SPADs and SNSPDs with unprecedented accuracy. We discover supralinear behavior of SPADs and show that it cannot be explained using known theoretical models.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128468692","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
Cracking the Quantum Advantage Threshold for Gaussian Boson Sampling 破解高斯玻色子采样的量子优势阈值
Quantum 2.0 Conference and Exhibition Pub Date : 2021-06-02 DOI: 10.1364/quantum.2022.qw2a.15
A. S. Popova, A. N. Rubtsov
{"title":"Cracking the Quantum Advantage Threshold for Gaussian Boson Sampling","authors":"A. S. Popova, A. N. Rubtsov","doi":"10.1364/quantum.2022.qw2a.15","DOIUrl":"https://doi.org/10.1364/quantum.2022.qw2a.15","url":null,"abstract":"Here we challenge the quantum advantage claimed for the Gaussian Boson Sampling experiment by introducing an approximate polynomial-time algorithm. Our fourth-order approximation gives an accuracy comparable with that of the experiment.","PeriodicalId":369002,"journal":{"name":"Quantum 2.0 Conference and Exhibition","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114701384","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: 15
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