C. Taballione, T. Wolterink, J. Lugani, A. Eckstein, B. Bell, R. Grootjans, I. Visscher, D. Geskus, C. Roeloffzen, J. Renema, I. Walmsley, P. Pinkse, K. Boller
Integrated universal linear optical networks are essential for the development of quantum information processing (QIP). We demonstrate a universal, reconfigurable, 8×8 photonic processor based on Si3N4 waveguides showing a variety of QIP primitives.
{"title":"Si3N4 Reconfigurable Linear Optical Network for Quantum Information Processing","authors":"C. Taballione, T. Wolterink, J. Lugani, A. Eckstein, B. Bell, R. Grootjans, I. Visscher, D. Geskus, C. Roeloffzen, J. Renema, I. Walmsley, P. Pinkse, K. Boller","doi":"10.1364/QIM.2019.S2C.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2C.5","url":null,"abstract":"Integrated universal linear optical networks are essential for the development of quantum information processing (QIP). We demonstrate a universal, reconfigurable, 8×8 photonic processor based on Si3N4 waveguides showing a variety of QIP primitives.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"42 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":"130708393","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}
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.
{"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}
Manuel Erhard, M. Krenn, Xumei Gu, M. Malik, A. Zeilinger
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.
{"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}
L. Qiu, I. Shomroni, D. Malz, A. Nunnenkamp, T. Kippenberg
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.
{"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}
Meihong Wang, Yu Xiang, Haijun Kang, Yang Liu, Dongmei Han, Qiongyi He, Xiaolong Su, C. Xie, K. Peng
Distribution of quantum correlations among remote users is a key precedure for quantum information processing. We propose and demonstrate the distribution of Gaussian Einstein-Podolsky-Rosen steering by separable states.
{"title":"Distribution of Gaussian Einstein-Podolsky-Rosen steering by separable states","authors":"Meihong Wang, Yu Xiang, Haijun Kang, Yang Liu, Dongmei Han, Qiongyi He, Xiaolong Su, C. Xie, K. Peng","doi":"10.1364/QIM.2019.T5A.53","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.53","url":null,"abstract":"Distribution of quantum correlations among remote users is a key precedure for quantum information processing. We propose and demonstrate the distribution of Gaussian Einstein-Podolsky-Rosen steering by separable states.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"333 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":"122640186","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}
Christiaan J. Bekker, C. Baker, R. Kalra, Han-Hao Cheng, Bei-Bei Li, Varun Prakash, W. Bowen
We report free-spectral-range tuning in a high-quality on-chip microcavity requiring less than 15 V and 1 nW of power to maintain optical resonance with an arbitrary frequency: an important component for achieving reconfigurable photonic circuits.
{"title":"Free Spectral Range Electrical Tuning of a Double Disk Microcavity","authors":"Christiaan J. Bekker, C. Baker, R. Kalra, Han-Hao Cheng, Bei-Bei Li, Varun Prakash, W. Bowen","doi":"10.1364/QIM.2019.T5A.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.2","url":null,"abstract":"We report free-spectral-range tuning in a high-quality on-chip microcavity requiring less than 15 V and 1 nW of power to maintain optical resonance with an arbitrary frequency: an important component for achieving reconfigurable photonic circuits.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"12 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":"128717665","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}
Quantum resources embedded in physical systems can be destroyed by noisy transmission channels and/or by nonidealities of detectors. Here, we face such a problem by considering some nonclassicality criteria in the mesoscopic intensity domain.
{"title":"Detecting quantum features in the real world","authors":"A. Allevi, Giovanni Chesi, L. Nardo, M. Bondani","doi":"10.1364/QIM.2019.T5A.23","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.23","url":null,"abstract":"Quantum resources embedded in physical systems can be destroyed by noisy transmission channels and/or by nonidealities of detectors. Here, we face such a problem by considering some nonclassicality criteria in the mesoscopic intensity domain.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"44 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":"116921748","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}
Topological phases determined by the system’s ground state can be completely classified by topological invariants. By fully reconstructing the final wave function, we report a dynamical method for measuring the topological invariants in photonic quantum walks.
{"title":"Directly Measuring the Winding Number in Photonic Discrete Time Quantum Walks","authors":"Xiao-Ye Xu, Qin-Qin Wang, Chuan‐Feng Li","doi":"10.1364/QIM.2019.F5A.74","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.74","url":null,"abstract":"Topological phases determined by the system’s ground state can be completely classified by topological invariants. By fully reconstructing the final wave function, we report a dynamical method for measuring the topological invariants in photonic quantum walks.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"19 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":"125360186","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}
A. Geraldi, L. D. Bonavena, C. Liorni, P. Mataloni, Álvaro Cuevas
We present a bulk-optics setup for discrete quantum walks, based on a novel multipass displaced Sagnac geometry. It is phase stable, reconfigurable and allows to meausure the output radiation at each step. The experimental results of both ordered and disordered one-particle evolutions are reported.
{"title":"Experimental Realization of an Innovative Phase-Stable Bulk-Optic Scheme for Quantum Walks","authors":"A. Geraldi, L. D. Bonavena, C. Liorni, P. Mataloni, Álvaro Cuevas","doi":"10.1364/QIM.2019.F5A.73","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.73","url":null,"abstract":"We present a bulk-optics setup for discrete quantum walks, based on a novel multipass displaced Sagnac geometry. It is phase stable, reconfigurable and allows to meausure the output radiation at each step. The experimental results of both ordered and disordered one-particle evolutions are reported.","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":"122009696","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}
A. S. Rab, E. Polino, M. Valeri, P. Mataloni, N. Spagnolo, F. Sciarrino, S. Atzeni, G. Corrielli, A. Crespi, R. Osellame
A compact, robust and high quality on-chip source of entangled photons pair in telecom wavelength is presented. The entangled output state can be changed by means of the chip reconfigurability and its hybrid structure.
{"title":"Integrated source of entangled photon pair at telecom wavelength","authors":"A. S. Rab, E. Polino, M. Valeri, P. Mataloni, N. Spagnolo, F. Sciarrino, S. Atzeni, G. Corrielli, A. Crespi, R. Osellame","doi":"10.1364/QIM.2019.T5A.8","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.8","url":null,"abstract":"A compact, robust and high quality on-chip source of entangled photons pair in telecom wavelength is presented. The entangled output state can be changed by means of the chip reconfigurability and its hybrid structure.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"46 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":"126768355","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}
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