Resultado final
Demonstration of a gate fidelity 995 with isotopically pure Eu153 ensembles and investigation of limiting factors
Advanced laser source tested in experimentReport on an experimental test of the developed laser source with Er ion spectroscopy
Two-qubit gates with EU ionsDemonstration of a controlled NOT quantum gate with two Eu ions and selective Purcell enhancement
Stoichiometric materialsReport on an investigation of growth of highquality stoichiometric crystals such as Eu2O3 and assessment of their potential for a thin film material
Single ion gatesDemonstration of high fidelity single qubit gates with Eu3+, Nd3+, Ce3+ coupled to 29Si, and Er3+.
Structure of doped of Y2O3 thin filmsReport on heteroepitaxial growth of Y2O3 thin films suitable for membranes, and on homoepitaxial growth of Y2SiO5 films.
Optical quantum state distribution schemesReport on schemes for distillation of multipartite entanglement and for keeping a multipartite entangled state alive by repeated communication and local register operations
Performance of YSO and Y2O3 thin filmsReport on the optical and spin performance of optimized YSO and Y2O3 thin films
Single REI coupled to integrated cavityCoupling of Er ions to an integrated microcavity for Purcellenhanced single ion detection
Multi-qubit gates and operationsWe will develop theoretical protocols that employ the simultaneous interaction among all ions or between a central bus ion and all qubit ions for multiqubit gates and preparation of multiparticle entangled states in few operations The advantage of multiqubit gates in algorithms and in decoherence free subspace and error correcting codes will be explored
Electrically tunable integrated microcavityReport on electrically tunable integrated LiNbO3 microcavities coupled to RE emitters from Lithium Niobate single crystal thin films transferred onto an arbitrary substrate, and shaped into on-chip photonic circuits.
Technology readiness of RE QCRoadmap based on the investigation of the protocols materials and technology required to put together the different aspects of rareearth ion work into a concept for a scalable rareearth ion quantum computer including the readiness of the technology
Dissemination and exploitation planDissemination and exploitation plan for NanOQTech's outputs.
Indistinguishable photons from ErGeneration of indistinguishable photons from a single Er ion coupled to a fiber cavity
Dissemination reportReport on all project related dissemination
Multi-node entanglement schemesReport on resource efficient multi-node gates and generation of multi-node entangled states.
Control by bus ionReport on the demonstration that different ion species with different functionality can control each other at the single ion level
Single shot readoutDemonstration of schemes for highfidelity singleshot readout of single ions and development of theoretical schemes
Quantum interference between photonsReport on quantum interference HongOuMandel with photons emitted by two single ions
Coupling two qubits in separated cavitiesReport on the demonstration of tunable coupling between two Er3 ions in two separate cavities connected with a waveguide
Few-Eu-qubit entangled stateGeneration of a multiqubit entangled state with Eu from a repetitive CNOT operation using a single control ion and several target ions in a fiber cavity
Data Management Plan documenting the guidelines for data collection, generation and handling by the SQUARE consortium during and after the project.
Launch of a Project website and presentation of a project logo.
FFPC Product brochure and specificationsReport on a product brochure on tunable fiber cavities with detailed specifications as derived from statistics of fabrication of fiber cavities. Cavity demonstration data and example applications will be publicly advertised.
Mini summer-schoolOrganization of a mini summer-school
Technology workshopOrganization of a technology workshop targeting audiences in both industry and academia to promote results discuss commercial exploitations and identify stakeholders and companies in quantum technologies
Report on customer analysis for tunable fiber cavities and delivery to first external test customers
Publicaciones
Autores:
F. Sardi, T. Kornher, M. Widmann, R. Kolesov, F. Schiller, T. Reindl, M. Hagel, and J. Wrachtrup
Publicado en:
Appl. Phys. Lett., Edición 117, 2, 2020, Página(s) 022105, ISSN 1077-3118
Editor:
American Institute of Physics
DOI:
10.1063/5.0011366
Autores:
Nao Harada; Alexandre Tallaire; Diana Serrano; Antoine Seyeux; Philippe Marcus; Xavier Portier; Christophe Labbé; Philippe Goldner; Alban Ferrier; Alban Ferrier
Publicado en:
Materials Advances, Edición 3 / Edición 1, 2021, Página(s) 300-311, ISSN 2046-2069
Editor:
Royal Society of Chemistry
DOI:
10.1039/d1ma00753j
Autores:
Nao Harada; Alban Ferrier; Diana Serrano; Mauro Persechino; Emrick Briand; Romain Bachelet; Ian Vickridge; J.-J. Ganem; Philippe Goldner; Alexandre Tallaire
Publicado en:
Journal of Applied Physics, Edición Volume 128, Edición 5, 2020, Página(s) 055304, ISSN 2158-3226
Editor:
American Institute of Physics Inc.
DOI:
10.1063/5.0010833
Autores:
Kamanasish Debnath, Yuan Zhang, and Klaus Mølmer
Publicado en:
Physical Review A, Edición 100 / 5, 2019, Página(s) 053821, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.100.053821
Autores:
Samarth Vadia; Johannes Scherzer; Holger Thierschmann; Clemens Schäfermeier; Claudio Dal Savio; Takashi Taniguchi; Kenji Watanabe; David Hunger; Khaled Karrai; Alexander Högele
Publicado en:
PRX quantum, Edición 2 / 4, 2021, Página(s) 040318, ISSN 2691-3399
Editor:
American Physical Society
DOI:
10.5445/ir/1000139460
Autores:
Kamanasish Debnath; Gavin Dold; Gavin Dold; John J. L. Morton; Klaus Mølmer
Publicado en:
Physical Review Letters, Edición 125, 2020, Página(s) 137702, ISSN 1079-7114
Editor:
American Physical Society
DOI:
10.1103/physrevlett.125.137702
Autores:
Ying Yan; Chunyan Shi; Adam Kinos; Hafsa Syed; Sebastian P. Horvath; Andreas Walther; Lars Rippe; Xi Chen; Stefan Kröll
Publicado en:
npj Quantum Information, Edición Vol 7, Iss 1, 2021, Página(s) Pp 1-10, article number 138, ISSN 2056-6387
Editor:
Springer Nature Limited
DOI:
10.1038/s41534-021-00473-4
Autores:
Adam Kinos; Lars Rippe; Stefan Kröll; Andreas Walther
Publicado en:
Physical Review A, Edición 104, 2021, Página(s) 052624, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.5281/zenodo.5959634
Autores:
Eloïse Lafitte-Houssat, Alban Ferrier, Sacha Welinski, Loïc Morvan, Mikael Afzelius, Perrine Berger, Philippe Goldner
Publicado en:
Optical Materials: X, Edición Vol. 14, May 2022, 100153, 2022, Página(s) 100153, ISSN 2590-1478
Editor:
Elsevier
DOI:
10.1016/j.omx.2022.100153
Autores:
Kamanasish Debnath; Alexander Holm Kiilerich; Klaus Mølmer
Publicado en:
Physical Review A, Edición 103 / 4, 2020, Página(s) 043705, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.103.043705
Autores:
Alexander Holm Kiilerich; Klaus Mølmer
Publicado en:
Physical Review A, Edición 102 / 2, 2020, Página(s) 023717, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.102.023717
Autores:
Alban Ferrier; Alban Ferrier; Nao Harada; Marion Scarafagio; Emrick Briand; J. J. Ganem; Ian Vickridge; Antoine Seyeux; Philippe Marcus; Diana Serrano; Philippe Goldner; Alexandre Tallaire
Publicado en:
The Journal of Physical Chemistry, Edición 124, 2020, Página(s) 19725–19735, ISSN 1932-7447
Editor:
American Chemical Society
DOI:
10.1021/acs.jpcc.0c04019
Autores:
Peng Xu; Shi-Liang Zhu; Shi-Liang Zhu; Klaus Mølmer; Alexander Holm Kiilerich
Publicado en:
Physical Review A, Edición Volume 102, Edición 3, 2020, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.102.032613
Autores:
Alexandre Fossati; Shuping Liu; Shuping Liu; Jenny Karlsson; Akio Ikesue; Alexandre Tallaire; Alban Ferrier; Alban Ferrier; Diana Serrano; Philippe Goldner
Publicado en:
Nano Lett. 2020, Edición 20, 10,, 2020, Página(s) 7087–7093, ISSN 1520-5126
Editor:
Amercian Chemical Society
DOI:
10.1021/acs.nanolett.0c02200
Autores:
Kumar, Kuppusamy Senthil; Serrano, Diana; Nonat, Aline; Heinrich, Benoît; Karmazin, Lydia; Charbonnière, Loïc; Goldner, Philippe; Ruben, Mario
Publicado en:
Nature communications, Edición 12, 2021, Página(s) 2152, ISSN 2041-1723
Editor:
Nature Publishing Group
DOI:
10.1038/s41467-021-22383-x
Autores:
Kangwei Xia, Fiammetta Sardi, Colin Sauerzapf, Thomas Kornher, Hans-Werner Becker, Zsolt Kis, Laszlo Kovacs, Denis Dertli, Jonas Foglszinger, Roman Kolesov, and Jörg Wrachtrup
Publicado en:
Optica, Edición Vol. 9, Edición 4, 2022, Página(s) pp. 445-450, ISSN 2334-2536
Editor:
Optica publishing group
DOI:
10.1364/optica.453527
Autores:
Karin Groot-Berning, Thomas Kornher, Georg Jacob, Felix Stopp, Samuel T. Dawkins, Roman Kolesov, Jörg Wrachtrup, Kilian Singer, Ferdinand Schmidt-Kaler
Publicado en:
Physical Review Letters, Edición 123/10, 2019, ISSN 0031-9007
Editor:
American Physical Society
DOI:
10.1103/PhysRevLett.123.106802
Autores:
D. Serrano, C. Deshmukh, S. Liu, A. Tallaire, A. Ferrier, H. de Riedmatten, P. Goldner
Publicado en:
Physical Review B, Edición 100/14, 2019, ISSN 2469-9950
Editor:
American Physical Society
DOI:
10.1103/PhysRevB.100.144304
Autores:
Alexander Holm Kiilerich, Klaus Mølmer
Publicado en:
Physical Review Letters, Edición 123/12, 2019, ISSN 0031-9007
Editor:
American Physical Society
DOI:
10.1103/PhysRevLett.123.123604
Autores:
Kamanasish Debnath, Alexander Holm Kiilerich, Albert Benseny, Klaus Mølmer
Publicado en:
Physical Review A, Edición 100/2, 2019, ISSN 2469-9926
Editor:
American Physical Society
DOI:
10.1103/PhysRevA.100.023813
Autores:
Thomas Kornher, Da-Wu Xiao, Kangwei Xia, Fiammetta Sardi, Nan Zhao, Roman Kolesov, and Jörg Wrachtrup
Publicado en:
Physical Review Letters, Edición 124, 2020, Página(s) 106802, ISSN 0031-9007
Editor:
American Physical Society
DOI:
10.1103/physrevlett.124.170402
Autores:
Yu-Xiang Zhang, Chuan Yu, Klaus Mølmer
Publicado en:
Physical Review Research, Edición 2/1, 2020, Página(s) 012173, ISSN 2643-1564
Editor:
American Phyical Society
DOI:
10.1103/PhysRevResearch.2.013173
Autores:
Horvath, Sebastian P.; Alqedra, Mohammed K.; Kinos, Adam; Walther, Andreas; Dahlström, Jan Marcus; Kröll, Stefan; Rippe, Lars
Publicado en:
Physical Review Research, Edición 3 / 2, 2021, Página(s) 023099, ISSN 2643-1564
Editor:
American Physical Society
DOI:
10.1103/PhysRevResearch.3.023099
Autores:
Adam Kinos, Lars Rippe, Andreas Walther, and Stefan Kröll
Publicado en:
Physical Review A, Edición 105 / 3, 2022, Página(s) 032608, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.5281/zenodo.6365321
Autores:
Bernardo Casabone; Chetan Deshmukh; Shuping Liu; Shuping Liu; Diana Serrano; Alban Ferrier; Alban Ferrier; Thomas Hümmer; Philippe Goldner; David Hunger; Hugues de Riedmatten; Hugues de Riedmatten
Publicado en:
Nature Communications, Edición 12, 2021, Página(s) 3570, ISSN 2041-1723
Editor:
Nature Publishing Group
DOI:
10.5445/ir/1000133820
Autores:
Kamanasish Debnath, Yuan Zhang, and Klaus Mølmer
Publicado en:
Physical Review A, Edición 98 / 6, 2018, Página(s) 063837, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.98.063837
Autores:
Adam Kinos, Lars Rippe, Diana Serrano, Andreas Walther, and Stefan Kröll
Publicado en:
Phys. Rev. A, Edición 105,032603, 2022, ISSN 2469-9934
Editor:
American Physical Society
DOI:
10.1103/physreva.105.032603
Autores:
Sebastian P Horvath, Chunyan Shi, David Gustavsson, Andreas Walther, Adam Kinos, Stefan Kröll and Lars Rippe
Publicado en:
New J. Phys., Edición 24, 2022, Página(s) 033034, ISSN 1367-2630
Editor:
Institute of Physics Publishing
DOI:
10.1088/1367-2630/ac5932
Autores:
Lafitte-Houssat, E.
Publicado en:
Оптика и спектроскопия, 2019, ISSN 0030-4034
Editor:
Оптика и спектроскопия
DOI:
10.21883/os.2022.01.51885.29-21
Autores:
Diana Serrano, Senthil Kumar Kuppusamy, Benoît Heinrich, Olaf Fuhr,
David Hunger, Mario Ruben, Philippe Goldner
Publicado en:
Nature, Edición 603, 2022, Página(s) 241–246, ISSN 0028-0836
Editor:
Nature Publishing Group
DOI:
10.1038/s41586-021-04316-2
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