We show that proper engineering of a nonlinear interaction induces quantum entanglement between the spatial and spectral degrees of freedom of incident photons via the all-optical analogue of the Stern-Gerlach effect.
{"title":"Spectral path entanglement of photons using the all-optical Stern-Gerlach effect","authors":"Aviv Karnieli, A. Arie","doi":"10.1364/QIM.2019.F5A.31","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.31","url":null,"abstract":"We show that proper engineering of a nonlinear interaction induces quantum entanglement between the spatial and spectral degrees of freedom of incident photons via the all-optical analogue of the Stern-Gerlach effect.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"33 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":"121548952","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}
We present temperature-dependent micro-PL studies on a single defect in hexagonal boron nitride. A zero-phonon line emission accompanied by Stokes and anti-Stokes phonon sidebands (≈ 6.5 meV) with a Debye-Waller factor of 0.59 is observed.
{"title":"Influence of Electron-Phonon Interactions on the Spectral Properties of Defects in Hexagonal Boron Nitride","authors":"O. Arı, V. Fırat, Nahit Polat, O. Cakir, S. Ateş","doi":"10.1364/QIM.2019.S4A.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.S4A.2","url":null,"abstract":"We present temperature-dependent micro-PL studies on a single defect in hexagonal boron nitride. A zero-phonon line emission accompanied by Stokes and anti-Stokes phonon sidebands (≈ 6.5 meV) with a Debye-Waller factor of 0.59 is observed.","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":"125568491","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}
F. Vedovato, C. Agnesi, M. Tomasin, M. Avesani, Jan-Åke Larsson, G. Vallone, P. Villoresi
The postselection loophole rendered to date time-bin entanglement unsuitable for quantum cryptography and conclusive Bell’s test. We implemented a time-bin entanglement scheme free of the postselection, opening up to its exploitation in quantum information protocols.
{"title":"First experimental realization of genuine time-bin entanglement","authors":"F. Vedovato, C. Agnesi, M. Tomasin, M. Avesani, Jan-Åke Larsson, G. Vallone, P. Villoresi","doi":"10.1364/QIM.2019.F5A.1","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.1","url":null,"abstract":"The postselection loophole rendered to date time-bin entanglement unsuitable for quantum cryptography and conclusive Bell’s test. We implemented a time-bin entanglement scheme free of the postselection, opening up to its exploitation in quantum information protocols.","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":"124636024","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}
We present feasible experimental proposals to construct an optomechanical transducer entangling radiation modes by quadratic nonlinearities and to prepare a cubic phase state of mechanical oscillator. We show robustness of both protocols to thermal noise.
{"title":"Nonlinear stroboscopic quantum optomechanics","authors":"A. Rakhubovsky, R. Filip","doi":"10.1364/QIM.2019.F5A.68","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.68","url":null,"abstract":"We present feasible experimental proposals to construct an optomechanical transducer entangling radiation modes by quadratic nonlinearities and to prepare a cubic phase state of mechanical oscillator. We show robustness of both protocols to thermal noise.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"112 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134427257","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. L. Volpe, S. De, T. Kouadou, T. Michel, Y. Ra, M. Walschaers, C. Fabre, N. Treps, V. Parigi
The experimental implementation of large multipartite entangled state in the time and frequency domain is realised via optical frequency comb and parametric process. We discuss the implementation of quantum complex networks and their non-Gaussian features
{"title":"Quantum Frequency Comb for Quantum Complex Networks","authors":"L. L. Volpe, S. De, T. Kouadou, T. Michel, Y. Ra, M. Walschaers, C. Fabre, N. Treps, V. Parigi","doi":"10.1364/QIM.2019.S2B.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2B.2","url":null,"abstract":"The experimental implementation of large multipartite entangled state in the time and frequency domain is realised via optical frequency comb and parametric process. We discuss the implementation of quantum complex networks and their non-Gaussian features","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"52 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":"133275960","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. D’Errico, F. Cardano, C. Esposito, B. Piccirillo, M. Maffei, A. Dauphin, M. Lewenstein, P. Massignan, L. Marrucci
We mimic one dimensional forced quantum walks by using the photonic implementation obtained by means of a sequence of liquid-crystal devices (”g-plates”), which apply polarization-dependent transverse kicks to the photons in the beam. We observed refocusing phenomena for localized initial states.
{"title":"Refocusing in forced photonic quantum walks controlled by liquid crystal gratings","authors":"A. D’Errico, F. Cardano, C. Esposito, B. Piccirillo, M. Maffei, A. Dauphin, M. Lewenstein, P. Massignan, L. Marrucci","doi":"10.1364/QIM.2019.F5A.75","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.75","url":null,"abstract":"We mimic one dimensional forced quantum walks by using the photonic implementation obtained by means of a sequence of liquid-crystal devices (”g-plates”), which apply polarization-dependent transverse kicks to the photons in the beam. We observed refocusing phenomena for localized initial states.","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":"131830293","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. Rusca, Thomas van Himbeeck, Anthony Martin, J. B. Brask, Stefano Pironio, N. Brunner, H. Zbinden
We demonstrate quantum random number generation with partially characterised devices based on a natural, physical assumption - a bound on the energy transmitted between preperations and measurements. We achieve a random bit rate above 1 MHz.
{"title":"Quantum random number generation with partially characterized devices based on bounded energy","authors":"D. Rusca, Thomas van Himbeeck, Anthony Martin, J. B. Brask, Stefano Pironio, N. Brunner, H. Zbinden","doi":"10.1364/QIM.2019.S1B.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S1B.3","url":null,"abstract":"We demonstrate quantum random number generation with partially characterised devices based on a natural, physical assumption - a bound on the energy transmitted between preperations and measurements. We achieve a random bit rate above 1 MHz.","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":"123445259","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}
I. Zadeh, A. Elshaari, J. Los, R. Gourgues, J. Zichi, S. Dorenbos, M. Reimer, D. Dalacu, P. Poole, K. Jöns, V. Zwiller, Silvania Preira
Single-photon generation, processing, and detection are the three main components of any quantum optical circuit. We present our results on integration of semiconducting nanowire quantum dots, dielectric waveguides, and ultrahigh performance superconducting nanowire single-photon detectors.
{"title":"Scalable quantum optics with nanowires","authors":"I. Zadeh, A. Elshaari, J. Los, R. Gourgues, J. Zichi, S. Dorenbos, M. Reimer, D. Dalacu, P. Poole, K. Jöns, V. Zwiller, Silvania Preira","doi":"10.1364/QIM.2019.F4A.5","DOIUrl":"https://doi.org/10.1364/QIM.2019.F4A.5","url":null,"abstract":"Single-photon generation, processing, and detection are the three main components of any quantum optical circuit. We present our results on integration of semiconducting nanowire quantum dots, dielectric waveguides, and ultrahigh performance superconducting nanowire single-photon detectors.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"135 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":"125058495","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 communication relies on the transmission of photons across lossy channels. Here, we show how hyperentangled photons can improve the efficiency of generating high fidelity entangled pairs between two parties.
{"title":"Hyperentangled photons for quantum communication?","authors":"N. L. Piparo, M. Hanks, W. Munro, K. Nemoto","doi":"10.1364/QIM.2019.F5A.12","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.12","url":null,"abstract":"Quantum communication relies on the transmission of photons across lossy channels. Here, we show how hyperentangled photons can improve the efficiency of generating high fidelity entangled pairs between two parties.","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":"121096845","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}
M. Rossi, D. Mason, Junxin Chen, Y. Tsaturyan, A. Schliesser
We measure mechanical displacements within 35% of the Heisenberg limit, allowing to both track the quantum trajectory of the highly pure (purity 80%) mechanical state conditioned on this measurement, and ground-state cool via quantum feedback.
{"title":"Quantum Measurement and Control of a Mechanical Resonator","authors":"M. Rossi, D. Mason, Junxin Chen, Y. Tsaturyan, A. Schliesser","doi":"10.1364/QIM.2019.S1C.4","DOIUrl":"https://doi.org/10.1364/QIM.2019.S1C.4","url":null,"abstract":"We measure mechanical displacements within 35% of the Heisenberg limit, allowing to both track the quantum trajectory of the highly pure (purity 80%) mechanical state conditioned on this measurement, and ground-state cool via quantum feedback.","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":"124483996","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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