Collapse models implement a progressive loss of quantum coherence when the mass and the complexity of quantum systems increase. We will review such models and the current attempts to test their predicted loss of quantum coherence.
{"title":"Current tests of collapse models: How far can we push the limits of quantum mechanics?","authors":"M. Carlesso, A. Bassi","doi":"10.1364/QIM.2019.S1C.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S1C.3","url":null,"abstract":"Collapse models implement a progressive loss of quantum coherence when the mass and the complexity of quantum systems increase. We will review such models and the current attempts to test their predicted loss of quantum coherence.","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":"128953322","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}
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}
G. Pagano, P. Becker, A. Carter, M. Cetina, K. Collins, C. Crocker, Lorraine W. Egan, M. Goldman, A. Gorshkov, A. Kyprianidis, H. Kaplan, K. Landsman, M. Lichtman, N. Linke, Fangli Liu, D. Risinger, K. Sosnova, W. L. Tan, D. Zhu, C. Monroe
I will review some of the latest results in both gate-based quantum computing and analog quantum simulation, speculating on how this platform can realistically be scaled in the near future.
我将回顾基于门的量子计算和模拟量子模拟的一些最新结果，并推测该平台在不久的将来如何实际扩展。
{"title":"Quantum Computing and Simulation with Trapped Atomic Ions","authors":"G. Pagano, P. Becker, A. Carter, M. Cetina, K. Collins, C. Crocker, Lorraine W. Egan, M. Goldman, A. Gorshkov, A. Kyprianidis, H. Kaplan, K. Landsman, M. Lichtman, N. Linke, Fangli Liu, D. Risinger, K. Sosnova, W. L. Tan, D. Zhu, C. Monroe","doi":"10.1364/QIM.2019.S2D.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2D.2","url":null,"abstract":"I will review some of the latest results in both gate-based quantum computing and analog quantum simulation, speculating on how this platform can realistically be scaled in the near future.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"16 4 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":"132369410","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}
D. Cozzolino, E. Polino, M. Valeri, G. Carvacho, D. Bacco, N. Spagnolo, L. Oxenløwe, F. Sciarrino
We present a scheme to distribute photon pairs entangled in vector vortex states in a recently developed 1.2-km long air-core fiber, which supports orbital angular momentum modes. This scheme opens new pathways to transmit quantum correlated photons.
{"title":"Towards hybrid entanglement distribution with an orbital angular momentum supporting fiber","authors":"D. Cozzolino, E. Polino, M. Valeri, G. Carvacho, D. Bacco, N. Spagnolo, L. Oxenløwe, F. Sciarrino","doi":"10.1364/QIM.2019.T5A.56","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.56","url":null,"abstract":"We present a scheme to distribute photon pairs entangled in vector vortex states in a recently developed 1.2-km long air-core fiber, which supports orbital angular momentum modes. This scheme opens new pathways to transmit quantum correlated photons.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"53 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":"134510982","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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