We present a parametric study of QRNG using phase diffusion in gain-switched DFB laser diode. We present new theoretical findings on the maximal raw data rate and explain the advantage of pulsed regime against cw.
{"title":"New insights in phase diffusion process in a gain-switched semiconductor laser for quantum random number generation (QRNG)","authors":"B. Septriani, O. D. Vries, M. Gräfe","doi":"10.1364/QIM.2019.F5A.44","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.44","url":null,"abstract":"We present a parametric study of QRNG using phase diffusion in gain-switched DFB laser diode. We present new theoretical findings on the maximal raw data rate and explain the advantage of pulsed regime against cw.","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":"128135082","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 use of integrated photonics in quantum optics has introduced dramatic improvements in terms of stability and scalability. In particular, femtosecond laser direct writing of photonic circuits has enabled advanced quantum simulation and computation tasks.
{"title":"Manipulation of quantum information in fs-laser-written photonic circuits","authors":"R. Osellame","doi":"10.1364/QIM.2019.S2C.1","DOIUrl":"https://doi.org/10.1364/QIM.2019.S2C.1","url":null,"abstract":"The use of integrated photonics in quantum optics has introduced dramatic improvements in terms of stability and scalability. In particular, femtosecond laser direct writing of photonic circuits has enabled advanced quantum simulation and computation tasks.","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":"129834880","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}
Youhei Okawa, S. Morimoto, Yuhsuke Yasutake, S. Fukatsu
Precision phase estimation of interferometry can benefit from a quantum enhancement by using multi-photon entangled states. Magneto-optic measurements in a lossy medium demonstrate the need for optimization of interaction so that ’’quantum” outperforms ”classical.”
{"title":"Quantum-Enhanced Magneto-optic Measurements in a Dissipative Medium","authors":"Youhei Okawa, S. Morimoto, Yuhsuke Yasutake, S. Fukatsu","doi":"10.1364/QIM.2019.T5A.37","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.37","url":null,"abstract":"Precision phase estimation of interferometry can benefit from a quantum enhancement by using multi-photon entangled states. Magneto-optic measurements in a lossy medium demonstrate the need for optimization of interaction so that ’’quantum” outperforms ”classical.”","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"5 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":"123803997","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}
This work presents the implementation of teleportation algorithm inside of a two-mode magnetic resonant cavity using non-local gates. Process can be grown easily to larger states than the single-qubit case shown here.
{"title":"Teleportation algorithm settled in a resonant cavity using non-local gates","authors":"F. Delgado","doi":"10.1364/QIM.2019.F5A.17","DOIUrl":"https://doi.org/10.1364/QIM.2019.F5A.17","url":null,"abstract":"This work presents the implementation of teleportation algorithm inside of a two-mode magnetic resonant cavity using non-local gates. Process can be grown easily to larger states than the single-qubit case shown here.","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":"129275100","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. Istrati, Y. Pilnyak, L. Cohen, H. Eisenberg, C. Antón-Solanas, J. L. Rosillo, P. Hilaire, H. Ollivier, C. Millet, A. Lemaître, I. Sagnes, A. Harouri, L. Lanco, P. Senellart
We present a new compact fiber optic system which together with a high brightness single-photon source facilitates the generation of multi-photon entangled states. Two and three entangled photon states have been prepared and measured.
{"title":"Generating multi-photon entangled states from a single deterministic single-photon source","authors":"D. Istrati, Y. Pilnyak, L. Cohen, H. Eisenberg, C. Antón-Solanas, J. L. Rosillo, P. Hilaire, H. Ollivier, C. Millet, A. Lemaître, I. Sagnes, A. Harouri, L. Lanco, P. Senellart","doi":"10.1364/QIM.2019.T3B.1","DOIUrl":"https://doi.org/10.1364/QIM.2019.T3B.1","url":null,"abstract":"We present a new compact fiber optic system which together with a high brightness single-photon source facilitates the generation of multi-photon entangled states. Two and three entangled photon states have been prepared and measured.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"213 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":"114314026","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. Mazeas, R. Dauliat, R. Cannon, D. Aktas, M. Reiner, F. Kaiser, P. Roy, R. Jamier, L. Labonté, S. Tanzilli
We report on a quantum-based measurement of index difference for fiber laser applications. Based on an interferometric setup, we demonstrate a state-of-the-art high-accurate measurement of ∆n = (1,67 ± 0,07) · 10−4 thanks exploitation of peculiar properties of quantum photonics.
{"title":"Quantum metrology for fiber laser applications","authors":"F. Mazeas, R. Dauliat, R. Cannon, D. Aktas, M. Reiner, F. Kaiser, P. Roy, R. Jamier, L. Labonté, S. Tanzilli","doi":"10.1364/QIM.2019.S3D.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S3D.3","url":null,"abstract":"We report on a quantum-based measurement of index difference for fiber laser applications. Based on an interferometric setup, we demonstrate a state-of-the-art high-accurate measurement of ∆n = (1,67 ± 0,07) · 10−4 thanks exploitation of peculiar properties of quantum photonics.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"23 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":"116731341","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}
S. Signorini, S. Piccione, G. Fontana, Lorenzo Pavesi, M. Ghulinyan, G. Pucker
We generate correlated photons with 600 nm spectral distance via intermodal four wave mixing in silicon. We want to demonstrate on-silicon-chip heralded single photons, beyond 2 µm, without post spectral filtering.
{"title":"Towards MIR heralded photons via intermodal four wave mixing in silicon waveguides","authors":"S. Signorini, S. Piccione, G. Fontana, Lorenzo Pavesi, M. Ghulinyan, G. Pucker","doi":"10.1364/QIM.2019.T5A.11","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.11","url":null,"abstract":"We generate correlated photons with 600 nm spectral distance via intermodal four wave mixing in silicon. We want to demonstrate on-silicon-chip heralded single photons, beyond 2 µm, without post spectral filtering.","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":"125946047","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. Malik, J. Bavaresco, Natalia Herrera Valencia, Claude Klöckl, P. Erker, Matej Pivoluska, N. Friis, M. Huber
We develop and experimentally demonstrate a method for certifying high-dimensional entanglement that uses carefully constructed measurements in two bases. We are able to certify a record 9-dimensional entangled state in an assumption-free manner.
{"title":"Quantifying High-Dimensional Entanglement with only Two Measurement Settings","authors":"M. Malik, J. Bavaresco, Natalia Herrera Valencia, Claude Klöckl, P. Erker, Matej Pivoluska, N. Friis, M. Huber","doi":"10.1364/QIM.2019.T3B.2","DOIUrl":"https://doi.org/10.1364/QIM.2019.T3B.2","url":null,"abstract":"We develop and experimentally demonstrate a method for certifying high-dimensional entanglement that uses carefully constructed measurements in two bases. We are able to certify a record 9-dimensional entangled state in an assumption-free manner.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"221 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":"126116983","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}
In CV-QKD the trusted-receiver assumption allows for a significant improvement in terms of key rate and achievable transmission distance. Moreover, as we demonstrate, sometimes detection noise can even be beneficial for the key rate.
{"title":"Noisy Detector? Good! Analysis of Trusted-Receiver Scenario in Continuous-Variable Quantum Key Distribution","authors":"F. Laudenbach, C. Pacher","doi":"10.1364/QIM.2019.T5A.59","DOIUrl":"https://doi.org/10.1364/QIM.2019.T5A.59","url":null,"abstract":"In CV-QKD the trusted-receiver assumption allows for a significant improvement in terms of key rate and achievable transmission distance. Moreover, as we demonstrate, sometimes detection noise can even be beneficial for the key rate.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"23 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":"124284232","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}
S. Gao, O. Lazo-Arjona, B. Brecht, K. Kaczmarek, P. Ledingham, S. Thomas, J. Nunn, Dylan J Saunders, I. Walmsley
We propose a quantum buffer which optimally filters the temporal-spectral mode of single photon source. We theoretically show that using a Cs vapour, an increase of indistinguishably with minimal loss of brightness can be achieved.
{"title":"Optimal Coherent Filtering for Single Photons","authors":"S. Gao, O. Lazo-Arjona, B. Brecht, K. Kaczmarek, P. Ledingham, S. Thomas, J. Nunn, Dylan J Saunders, I. Walmsley","doi":"10.1364/QIM.2019.S4A.3","DOIUrl":"https://doi.org/10.1364/QIM.2019.S4A.3","url":null,"abstract":"We propose a quantum buffer which optimally filters the temporal-spectral mode of single photon source. We theoretically show that using a Cs vapour, an increase of indistinguishably with minimal loss of brightness can be achieved.","PeriodicalId":370877,"journal":{"name":"Quantum Information and Measurement (QIM) V: Quantum Technologies","volume":"104 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":"132791611","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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