发布求助
文献互助 智能选刊 最新文献

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

筛选
英文 中文
Quasiprobability Representation for Quantum Correlations and Measurements 量子相关与测量的准概率表示
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S2B.6
J. Sperling, E. Meyer-Scott, J. Tiedau, M. Bohmann, S. Barkhofen, B. Brecht, T. Bartley, W. Vogel, I. Walmsley, C. Silberhorn
{"title":"Quasiprobability Representation for Quantum Correlations and Measurements","authors":"J. Sperling, E. Meyer-Scott, J. Tiedau, M. Bohmann, S. Barkhofen, B. Brecht, T. Bartley, W. Vogel, I. Walmsley, C. Silberhorn","doi":"10.1364/QIM.2019.S2B.6","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2B.6","url":null,"abstract":"Quasiprobabilities provide an intuitive means for characterizing quantum states. Here we present a unified framework that combines recent theoretical advances, and we discuss experimental implementations, such as the first reconstruction of entanglement quasiprobabilities.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"282 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":"122949838","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-enhanced rotation measurements about unknown axes 关于未知轴的量子增强旋转测量
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.T5A.30
A. Z. Goldberg, D. James
{"title":"Quantum-enhanced rotation measurements about unknown axes","authors":"A. Z. Goldberg, D. James","doi":"10.1364/QIM.2019.T5A.30","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.30","url":null,"abstract":"Precise rotation measurements have broad applications. Some quantum states dramatically enhance sensitivities in estimating rotation angles around known axes. We present states that increase sensitivities in estimating both the orientation of an unknown rotation axis and the angle rotated about it.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"70 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":"126617748","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
Quantum sensing using Rydberg atoms 利用里德伯原子的量子传感
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S3A.5
A. Larrouy, E. Dietsche, R. Richaud, J. Raimond, M. Brune, S. Gleyzes
{"title":"Quantum sensing using Rydberg atoms","authors":"A. Larrouy, E. Dietsche, R. Richaud, J. Raimond, M. Brune, S. Gleyzes","doi":"10.1364/QIM.2019.S3A.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.S3A.5","url":null,"abstract":"We prepare non-classical states of Rydberg atoms and use them as probes to measure electric and magnetic fields with a sensitivity below the standard quantum limit.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"36 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":"124943638","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
Quantum-enhanced interferometric timing measurement with a squeezed optical frequency comb 压缩光频梳的量子增强干涉定时测量
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S3D.5
Xiao Xiang, R. Dong, Shaofeng Wang, N. Treps, C. Fabre, Tao Liu, Shougang Zhang
{"title":"Quantum-enhanced interferometric timing measurement with a squeezed optical frequency comb","authors":"Xiao Xiang, R. Dong, Shaofeng Wang, N. Treps, C. Fabre, Tao Liu, Shougang Zhang","doi":"10.1364/QIM.2019.S3D.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.S3D.5","url":null,"abstract":"The first quantum-enhanced interferometric timing measurement with a squeezed optical frequency comb was demonstrated. The timing resolution at 2 MHz was improved from a shot-noise limited value of (2.8 ± 0.1) × 10−20 s to (2.4 ± 0.1) × 10−20 s.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"87 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":"124990362","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
Microwave-driven high-fidelity quantum logic with 43Ca+ 微波驱动的高保真量子逻辑43Ca+
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S4B.4
R. Hanley, J. Wolf, C. Löschnauer, Marius Weber, J. Goodwin, T. Harty, A. Steane, D. Lucas
{"title":"Microwave-driven high-fidelity quantum logic with 43Ca+","authors":"R. Hanley, J. Wolf, C. Löschnauer, Marius Weber, J. Goodwin, T. Harty, A. Steane, D. Lucas","doi":"10.1364/QIM.2019.S4B.4","DOIUrl":"https://doi.org/10.1364/QIM.2019.S4B.4","url":null,"abstract":"We present the design and initial characterisation of a next-generation surface-electrode ion-trap designed for room-temperature or cryogenic operation, that will aim to improve both the fidelity and speed achieved in microwave-driven quantum gates.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"7 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":"115513867","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
A femtotesla quantum-noise-limited pulsed gradiometer at finite fields 有限场下飞特斯拉量子噪声限制脉冲梯度计
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.T3C.3
V. Lucivero, W. Lee, M. Limes, E. Foley, T. Kornack, M. Romalis
{"title":"A femtotesla quantum-noise-limited pulsed gradiometer at finite fields","authors":"V. Lucivero, W. Lee, M. Limes, E. Foley, T. Kornack, M. Romalis","doi":"10.1364/QIM.2019.T3C.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.T3C.3","url":null,"abstract":"We describe an optically pumped atomic gradiometer operating at finite fields, including Earth’s field, with 14 fT / Hz Hz sensitivity. We demonstrate its quantum-noise-limited behaviour in the presence of quantum spin noise and atomic diffusion.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"58 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":"116976665","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
Characterizing large-scale quantum devices 表征大规模量子器件
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S3B.2
Joel J. Wallman, J. Emerson
{"title":"Characterizing large-scale quantum devices","authors":"Joel J. Wallman, J. Emerson","doi":"10.1364/QIM.2019.S3B.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.S3B.2","url":null,"abstract":"Characterizing large-scale quantum devices is challenging because quantum noise processes are complex. We present a method for efficiently characterizing general operations in quantum devices with signal-to-noise ratios independent of the system size.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"21 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":"123918267","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
Optical Back-action Evading Measurement of Mechanical Oscillator 机械振荡器的光学反作用规避测量
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.S1C.2
L. Qiu, I. Shomroni, D. Malz, A. Nunnenkamp, T. Kippenberg
{"title":"Optical Back-action Evading Measurement of Mechanical Oscillator","authors":"L. Qiu, I. Shomroni, D. Malz, A. Nunnenkamp, T. Kippenberg","doi":"10.1364/QIM.2019.S1C.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.S1C.2","url":null,"abstract":"Quantum mechanics sets a limit on continuous position measurement of a harmonic oscillator, due to quantum backaction from quantum fluctuations in the measurement field. We demonstrate continuous optical two-tone backaction-evading measurement of a mechanical mode of a photonic crystal nanobeam.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"24 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":"126106359","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: 6
Quantum Information Experiments with Multiple Photons in One and High-Dimensions: Concepts and Experiments 一维和高维多光子量子信息实验:概念与实验
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.T3A.3
Manuel Erhard, M. Krenn, Xumei Gu, M. Malik, A. Zeilinger
{"title":"Quantum Information Experiments with Multiple Photons in One and High-Dimensions: Concepts and Experiments","authors":"Manuel Erhard, M. Krenn, Xumei Gu, M. Malik, A. Zeilinger","doi":"10.1364/QIM.2019.T3A.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.T3A.3","url":null,"abstract":"Starting with the first experimental generation of a Greenberger-Horne-Zeilinger entangled state in three dimensions we show how to describe photonic quantum experiments using graph theory. This novel link promises exciting new applications ranging from multi-photon high-dimensionally entangled states to special purpose quantum simulation.","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":"126074630","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
Dynamics of tripartite quantum systems: Squeezing properties and entanglement collapse to nonzero constant values 三方量子系统动力学:压缩特性和纠缠坍缩到非零常数值
Quantum Information and Measurement (QIM) V: Quantum Technologies Pub Date : 2019-04-04 DOI: 10.1364/QIM.2019.F5A.54
Pradip Laha, S. Lakshmibala, V. Balakrishnan
{"title":"Dynamics of tripartite quantum systems: Squeezing properties and entanglement collapse to nonzero constant values","authors":"Pradip Laha, S. Lakshmibala, V. Balakrishnan","doi":"10.1364/QIM.2019.F5A.54","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.54","url":null,"abstract":"The dynamics of tripartite systems of field-atom interactions and optome-chanics is investigated through relevant tomograms. Quadrature and tomographic entropic squeezing and entanglement properties are examined . Entanglement collapses to constant nonzero values over significant time intervals.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"1 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":"128742504","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信