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Quantum Information and Measurement (QIM) V: Quantum Technologies最新文献

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Sensitivity Limits for Multiparameter Quantum Metrology 多参数量子计量的灵敏度极限
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/qim.2019.s3b.4
M. Gessner, L. Pezzè, A. Smerzi
{"title":"Sensitivity Limits for Multiparameter Quantum Metrology","authors":"M. Gessner, L. Pezzè, A. Smerzi","doi":"10.1364/qim.2019.s3b.4","DOIUrl":"https://doi.org/10.1364/qim.2019.s3b.4","url":null,"abstract":"We present sensitivity limits for a multimode interferometer as matrix bounds for the covariance matrix. Quantum strategies to improve the precision beyond classical limits may consist in entanglement among the modes or among the particles.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114622130","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
Verifying Multi-Particle Entanglement with a Few Detection Events 用少量检测事件验证多粒子纠缠
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.F5A.7
V. Saggio, Aleksandra Dimić, C. Greganti, L. Rozema, P. Walther, B. Dakić
{"title":"Verifying Multi-Particle Entanglement with a Few Detection Events","authors":"V. Saggio, Aleksandra Dimić, C. Greganti, L. Rozema, P. Walther, B. Dakić","doi":"10.1364/QIM.2019.F5A.7","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.7","url":null,"abstract":"Entanglement verification becomes hard when dealing with large quantum systems. By treating this task probabilistically, we certify entanglement with high confidence in an experimental photonic six-qubit cluster state by using only a few detection events.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125885192","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
Direct measurement of the recovery time of SNSPDs and its application for quantum communication snspd恢复时间的直接测量及其在量子通信中的应用
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S1D.3
C. Autebert, M. Perrenoud, M. Caloz, Gaetan Gras, E. Amri, H. Zbinden, F. Bussières
{"title":"Direct measurement of the recovery time of SNSPDs and its application for quantum communication","authors":"C. Autebert, M. Perrenoud, M. Caloz, Gaetan Gras, E. Amri, H. Zbinden, F. Bussières","doi":"10.1364/QIM.2019.S1D.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S1D.3","url":null,"abstract":"In this paper we demonstrate a simple and highly sensitive method to characterize the recovery time of efficiency for different kind of superconducting nanowire single- photon detectors. We also describe several applications of these detectors.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128588445","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
Networking Trapped-ion Quantum Computers 网络捕获离子量子计算机
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S2D.1
C. Ballance, L. J. Stephenson, D. Nadlinger, B. Nichol, S. An, J. Goodwin, P. Drmota, D. Lucas
{"title":"Networking Trapped-ion Quantum Computers","authors":"C. Ballance, L. J. Stephenson, D. Nadlinger, B. Nichol, S. An, J. Goodwin, P. Drmota, D. Lucas","doi":"10.1364/QIM.2019.S2D.1","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2D.1","url":null,"abstract":"We discuss a scalable approach to networking trapped-ion quantum processors. We present initial networking results, showing that we can connect registers of near-perfect trapped-ion data qubits via a flexible photonic link.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127486613","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
High-Dimensional Quantum Cryptography using Twisted Photons; from the Laboratory to realistic conditions 利用扭曲光子的高维量子密码术从实验室到现实条件
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S2A.3
F. Bouchard, Alicia Sit, F. Hufnagel, R. Fickler, K. Heshami, R. Boyd, E. Karimi
{"title":"High-Dimensional Quantum Cryptography using Twisted Photons; from the Laboratory to realistic conditions","authors":"F. Bouchard, Alicia Sit, F. Hufnagel, R. Fickler, K. Heshami, R. Boyd, E. Karimi","doi":"10.1364/QIM.2019.S2A.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2A.3","url":null,"abstract":"We investigate various high-dimensional quantum cryptographic protocols using twisted photons and their feasibility in realistic conditions. In particular, we perform quantum key distribution in an intra-city freespace link and an underwater channel.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131963493","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
Communication using an indefinite causal structure 使用不确定因果结构的交流
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.F5A.27
L. Procopio, F. Delgado, M. Enríquez, N. Belabas, J. Levenson
{"title":"Communication using an indefinite causal structure","authors":"L. Procopio, F. Delgado, M. Enríquez, N. Belabas, J. Levenson","doi":"10.1364/QIM.2019.F5A.27","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.27","url":null,"abstract":"It has recently been shown that if two completely depolarizing channels are in a superposition of different orders, classical information can be transmitted that would be otherwise lost [1]. Here, we present a generalization of the results of [1] to study communication with arbitrary depolarizing channels and putting to good use indefinite causal order, a new paradigm for quantum information/computation.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132143667","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
Quantum Description of Single Photon Detectors Including Timing-Jitter Effects 包含时序抖动效应的单光子探测器的量子描述
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.T5A.38
É. Gouzien, B. Fedrici, A. Zavatta, S. Tanzilli, V. D’Auria
{"title":"Quantum Description of Single Photon Detectors Including Timing-Jitter Effects","authors":"É. Gouzien, B. Fedrici, A. Zavatta, S. Tanzilli, V. D’Auria","doi":"10.1364/QIM.2019.T5A.38","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.38","url":null,"abstract":"We model single photon detectors by explicitly taking into account their timing- jitter, finite efficiency and dead-time effects. Our model represents the first operational and full description of temporal limitations of those detectors.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129194151","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
Quantum-optical Converter for Squeezed Light 压缩光的量子光变换器
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.T5A.13
V. Sukharnikov, O. Tikhonova
{"title":"Quantum-optical Converter for Squeezed Light","authors":"V. Sukharnikov, O. Tikhonova","doi":"10.1364/QIM.2019.T5A.13","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.13","url":null,"abstract":"We propose a scheme based on sum frequency generation seeded by multimode squeezed vacuum light. It provides manipulation of seeding mode weights, tailoring output spectral and temporal signal, generation of squeezed vacuum in sum frequency.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128804433","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
Sensitivity enhancement by mode entanglement in distributed phase sensing 分布式相位传感中模式纠缠提高灵敏度
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S4A.4
Xueshi Guo, J. Borregaard, Casper R. Breum, S. Izumi, M. V. Larsen, Jonas S Neergaard-Nielsen, U. Andersen
{"title":"Sensitivity enhancement by mode entanglement in distributed phase sensing","authors":"Xueshi Guo, J. Borregaard, Casper R. Breum, S. Izumi, M. V. Larsen, Jonas S Neergaard-Nielsen, U. Andersen","doi":"10.1364/QIM.2019.S4A.4","DOIUrl":"https://doi.org/10.1364/QIM.2019.S4A.4","url":null,"abstract":"We investigate the sensitivity of distributed phase sensing with squeezed state probes. By creating mode entanglement between probes with a beam-splitter network, sensitivity enhancement over independent probes is observed experimentally for the first time.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126763437","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
Coherent excitation of a spin wave in an optically cooled nuclear ensemble 光学冷却核系综中自旋波的相干激发
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.F4C.5
D. Gangloff, G. 'Ethier-Majcher, C. Lang, E. Denning, J. Bodey, D. Jackson, C. L. Gall, M. Atatüre
{"title":"Coherent excitation of a spin wave in an optically cooled nuclear ensemble","authors":"D. Gangloff, G. 'Ethier-Majcher, C. Lang, E. Denning, J. Bodey, D. Jackson, C. L. Gall, M. Atatüre","doi":"10.1364/QIM.2019.F4C.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.F4C.5","url":null,"abstract":"We implement an all-optical access to the quantized electronic-nuclear spin transitions in a semiconductor quantum dot, and we perform coherent rotations of a collective nuclear spin excitation corresponding to a spin-wave called a nuclear magnon.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126232129","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
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