Mode-selective photon subtraction is a viable method to introduce non-Gaussian features in continuous-variable graph states. Non-Gaussian properties are shown to spread up to next-to-nearest neighbours of the graphs vertex in which the photon was subtracted.
{"title":"Photon-Subtracted Continuous-Variable Graph States","authors":"M. Walschaers, V. Parigi, N. Treps","doi":"10.1364/QIM.2019.S2B.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2B.5","url":null,"abstract":"Mode-selective photon subtraction is a viable method to introduce non-Gaussian features in continuous-variable graph states. Non-Gaussian properties are shown to spread up to next-to-nearest neighbours of the graphs vertex in which the photon was subtracted.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"34 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":"121145226","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}
Pub Date : 2019-04-04DOI: 10.1364/FIO.2018.JTU2A.67
Konrad Tschernig, R. León-Montiel, O. Magaña-Loaiza, A. Szameit, K. Busch, A. Pérez-Leija
We show that by injecting N indistinguishable photons in a waveguide beam-splitter, one can create lattice-like structures in the photon number space, which are equivalent to coupled systems that perform discrete fractional Fourier operations.
{"title":"Multiphoton Discrete Fractional Fourier Operations in Waveguide Beam Splitters","authors":"Konrad Tschernig, R. León-Montiel, O. Magaña-Loaiza, A. Szameit, K. Busch, A. Pérez-Leija","doi":"10.1364/FIO.2018.JTU2A.67","DOIUrl":"https://doi.org/10.1364/FIO.2018.JTU2A.67","url":null,"abstract":"We show that by injecting N indistinguishable photons in a waveguide beam-splitter, one can create lattice-like structures in the photon number space, which are equivalent to coupled systems that perform discrete fractional Fourier operations.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"10 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":"114812659","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}
K. L. Nicolich, Clinton Cahall, N. T. Islam, G. Lafyatis, Jungsang Kim, Aaron J. Miller, D. Gauthier
We model the turn-on dynamics of superconducting nanowire single-photon detectors (SNSPDs), predicting that the rising edge of the readout signal encodes photon number, nanowire length and detector bias current, and experimentally verify these predictions.
{"title":"Universal turn-on dynamics of superconducing nanowire single-photon detectors","authors":"K. L. Nicolich, Clinton Cahall, N. T. Islam, G. Lafyatis, Jungsang Kim, Aaron J. Miller, D. Gauthier","doi":"10.1364/QIM.2019.T5A.80","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.80","url":null,"abstract":"We model the turn-on dynamics of superconducting nanowire single-photon detectors (SNSPDs), predicting that the rising edge of the readout signal encodes photon number, nanowire length and detector bias current, and experimentally verify these predictions.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"50 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":"126403888","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}
Elif Ozceri, O. Arı, S. Balci, C. Kocabas, S. Ateş
We present a reversible energy transfer between a single defect in hBN and graphene. Dynamic control of Fermi level of graphene results in switching on and off single photon emission from a single quantum emitter.
{"title":"Reversible Energy Transfer Between a Single Defect in hBN and Graphene","authors":"Elif Ozceri, O. Arı, S. Balci, C. Kocabas, S. Ateş","doi":"10.1364/QIM.2019.T5A.28","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.28","url":null,"abstract":"We present a reversible energy transfer between a single defect in hBN and graphene. Dynamic control of Fermi level of graphene results in switching on and off single photon emission from a single quantum emitter.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"152 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":"132354674","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}
R. Santagati, A. A. Gentile, S. Knauer, S. Schmitt, S. Paesani, C. Granade, N. Wiebe, Christian Osterkamp, L. McGuinness, Jianwei Wang, M. Thompson, J. Rarity, F. Jelezko, A. Laing
Hamiltonian learning can be used to efficiently characterise quantum systems. Here we apply it to the estimation of magnetic fields with quantum sensors, achieving experimentally, room temperature sensing performance comparable to those of cryogenic set-ups.
{"title":"Hamiltonian learning for the estimation of magnetic fields with nanoscale quantum sensors","authors":"R. Santagati, A. A. Gentile, S. Knauer, S. Schmitt, S. Paesani, C. Granade, N. Wiebe, Christian Osterkamp, L. McGuinness, Jianwei Wang, M. Thompson, J. Rarity, F. Jelezko, A. Laing","doi":"10.1364/QIM.2019.F4A.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.F4A.3","url":null,"abstract":"Hamiltonian learning can be used to efficiently characterise quantum systems. Here we apply it to the estimation of magnetic fields with quantum sensors, achieving experimentally, room temperature sensing performance comparable to those of cryogenic set-ups.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"25 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":"133009775","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}
Photonic networks with many modes and quantum input states have been proposed for various quantum applications. We present three approaches to overcome current limitations for their implementation: non-linear integrated quantum optics, temporal modes and time-multiplexing.
{"title":"Multi-dimensional quantum systems based on integrated optics and pulsed light","authors":"C. Silberhorn","doi":"10.1364/QIM.2019.F1A.1","DOIUrl":"https://doi.org/10.1364/QIM.2019.F1A.1","url":null,"abstract":"Photonic networks with many modes and quantum input states have been proposed for various quantum applications. We present three approaches to overcome current limitations for their implementation: non-linear integrated quantum optics, temporal modes and time-multiplexing.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"8 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":"133071179","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. Guccione, A. Cavaillès, T. Darras, H. L. Jeannic, Jérémy Raskop, Kun Huang, J. Laurat
Hybrid entanglement of light combines two quantum information paradigms, the particle-like and the wave-like encodings, together. We report on recent experiments that engage this resource for two quantum communication protocols: remote state preparation and quantum steering.
{"title":"Quantum Communication Protocols Based on Hybrid Entanglement of Light","authors":"G. Guccione, A. Cavaillès, T. Darras, H. L. Jeannic, Jérémy Raskop, Kun Huang, J. Laurat","doi":"10.1364/QIM.2019.F5A.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.3","url":null,"abstract":"Hybrid entanglement of light combines two quantum information paradigms, the particle-like and the wave-like encodings, together. We report on recent experiments that engage this resource for two quantum communication protocols: remote state preparation and quantum steering.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"59 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":"133244065","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. Scriminich, M. Namazi, Mael Flament, Sonali Gera, S. Sagona-Stophel, G. Vallone, P. Villoresi, E. Figueroa
We measure Hong-Ou-Mandel interference between weak coherent pulses retrieved from room-temperature rubidium vapor quantum memories operating via Electromagnetically-Induced Transparency. The interference visibility of V = (46.8 ± 3.4)% makes the system suitable for Quantum Repeater applications.
{"title":"Hong-Ou-Mandel interference between two weak coherent pulses retrieved from room-temperature quantum memories","authors":"A. Scriminich, M. Namazi, Mael Flament, Sonali Gera, S. Sagona-Stophel, G. Vallone, P. Villoresi, E. Figueroa","doi":"10.1364/QIM.2019.T5A.70","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.70","url":null,"abstract":"We measure Hong-Ou-Mandel interference between weak coherent pulses retrieved from room-temperature rubidium vapor quantum memories operating via Electromagnetically-Induced Transparency. The interference visibility of V = (46.8 ± 3.4)% makes the system suitable for Quantum Repeater applications.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"67 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":"115453048","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}
Z. Amitay, Liat Levin, D. Reich, R. Kosloff, C. Koch
Quantum control of ultrafast coherent bond making and subsequent molecular dynamics is experimentally demonstrated by controlling branching ratio into different target molecular states. This is a significant step toward realizing a new quantum coherent photochemistry.
{"title":"Quantum Control in Ultrafast Coherent Bond Making","authors":"Z. Amitay, Liat Levin, D. Reich, R. Kosloff, C. Koch","doi":"10.1364/QIM.2019.F5A.85","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.85","url":null,"abstract":"Quantum control of ultrafast coherent bond making and subsequent molecular dynamics is experimentally demonstrated by controlling branching ratio into different target molecular states. This is a significant step toward realizing a new quantum coherent photochemistry.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"37 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":"115915396","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}
R. León-Montiel, O. Magaña-Loaiza, A. Pérez-Leija, A. U’Ren, K. Busch, A. Lita, S. Nam, T. Gerrits, R. Mirin
We experimentally demonstrate that the simultaneous subtraction of photons from a two-mode squeezed vacuum state leads to the generation of entangled states with increasingly larger average photon number.
实验证明，双模压缩真空态中同时减去光子会产生平均光子数越来越大的纠缠态。
{"title":"Engineering Multiphoton Quantum States using Conditional Measurements","authors":"R. León-Montiel, O. Magaña-Loaiza, A. Pérez-Leija, A. U’Ren, K. Busch, A. Lita, S. Nam, T. Gerrits, R. Mirin","doi":"10.1364/QIM.2019.T5A.14","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.14","url":null,"abstract":"We experimentally demonstrate that the simultaneous subtraction of photons from a two-mode squeezed vacuum state leads to the generation of entangled states with increasingly larger average photon number.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"63 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":"124578121","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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