Scalable Rare Earth Ion Quantum Computing Nodes

Información del proyecto

SQUARE

Identificador del acuerdo de subvención: 820391

DOI

10.3030/820391

Proyecto cerrado

Fecha de la firma de la CE 4 Septiembre 2018

Fecha de inicio 1 Octubre 2018

Fecha de finalización 31 Marzo 2022

Financiado con arreglo a

• EXCELLENT SCIENCE - Future and Emerging Technologies (FET)

Coste total

€ 2 990 277,50

Aportación de la UE

€ 2 990 277,50

Coordinado por

KARLSRUHER INSTITUT FUER TECHNOLOGIE
Germany

CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.

Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .

Resultado final

Documents, reports (21)

Limiting mechanisms for high-fidelity gates

Demonstration of a gate fidelity 995 with isotopically pure Eu153 ensembles and investigation of limiting factors

Advanced laser source tested in experiment

Report on an experimental test of the developed laser source with Er ion spectroscopy

Two-qubit gates with EU ions

Demonstration of a controlled NOT quantum gate with two Eu ions and selective Purcell enhancement

Stoichiometric materials

Report on an investigation of growth of highquality stoichiometric crystals such as Eu2O3 and assessment of their potential for a thin film material

Single ion gates

Demonstration of high fidelity single qubit gates with Eu3+, Nd3+, Ce3+ coupled to 29Si, and Er3+.

Structure of doped of Y2O3 thin films

Report on heteroepitaxial growth of Y2O3 thin films suitable for membranes, and on homoepitaxial growth of Y2SiO5 films.

Optical quantum state distribution schemes

Report 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 films

Report on the optical and spin performance of optimized YSO and Y2O3 thin films

Single REI coupled to integrated cavity

Coupling of Er ions to an integrated microcavity for Purcellenhanced single ion detection

Multi-qubit gates and operations

We 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 microcavity

Report 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 QC

Roadmap 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 plan

Dissemination and exploitation plan for NanOQTech's outputs.

Indistinguishable photons from Er

Generation of indistinguishable photons from a single Er ion coupled to a fiber cavity

Dissemination report

Report on all project related dissemination

Multi-node entanglement schemes

Report on resource efficient multi-node gates and generation of multi-node entangled states.

Control by bus ion

Report on the demonstration that different ion species with different functionality can control each other at the single ion level

Single shot readout

Demonstration of schemes for highfidelity singleshot readout of single ions and development of theoretical schemes

Quantum interference between photons

Report on quantum interference HongOuMandel with photons emitted by two single ions

Coupling two qubits in separated cavities

Report on the demonstration of tunable coupling between two Er3 ions in two separate cavities connected with a waveguide

Few-Eu-qubit entangled state

Generation 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

Open Research Data Pilot (1)

Data Management Plan

Data Management Plan documenting the guidelines for data collection, generation and handling by the SQUARE consortium during and after the project.

Other (4)

Web site and logo

Launch of a Project website and presentation of a project logo.

FFPC Product brochure and specifications

Report 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-school

Organization of a mini summer-school

Technology workshop

Organization 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

Demonstrators, pilots, prototypes (1)

Delivery of fiber cavities to test customer

Report on customer analysis for tunable fiber cavities and delivery to first external test customers

Publicaciones

Peer reviewed articles (30)

Scalable production of solid-immersion lenses for quantum emitters in silicon carbide

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

Controlling the interfacial reactions and environment of rare-earth ions in thin oxide films towards wafer-scalable quantum technologies

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

Chemically vapor deposited Eu 3+ :Y 2 O 3 thin films as a material platform for quantum technologies

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

Collective dynamics of inhomogeneously broadened emitters coupled to an optical cavity with narrow linewidth

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

Open-Cavity in Closed-Cycle Cryostat as a Quantum Optics Platform

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

Self-Stimulated Pulse Echo Trains from Inhomogeneously Broadened Spin Ensembles.

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

Experimental implementation of precisely tailored light-matter interaction via inverse engineering

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

Designing gate operations for single-ion quantum computing in rare-earth-ion-doped crystals

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

Optical and spin inhomogeneous linewidths in 171Yb3 +:Y2 SiO5

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

Ancilla-mediated qubit readout and heralded entanglement between rare-earth dopant ions in crystals

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

Quantum interactions with pulses of radiation

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

Harnessing Atomic Layer Deposition and Diffusion to Spatially Localize Rare-Earth Ion Emitters

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

Integration of the Berry curvature on a qubit state manifold by coupling to a quantum meter system

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

A Frequency-Multiplexed Coherent Electro-optic Memory in Rare Earth Doped Nanoparticles

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

Optical spin-state polarization in a binuclear europium complex towards molecule-based coherent light-spin interfaces

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

Tunable microcavities coupled to rare-earth quantum emitters

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

Deterministic Single-Ion Implantation of Rare-Earth Ions for Nanometer-Resolution Color-Center Generation

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

Coherent optical and spin spectroscopy of nanoscale Pr 3 + : Y 2

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

Input-Output Theory with Quantum Pulses

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

Coherent spectral hole burning and qubit isolation by stimulated Raman adiabatic passage

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

Sensing Individual Nuclear Spins with a Single Rare-Earth Electron Spin

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

Subradiant bound dimer excited states of emitter chains coupled to a one dimensional waveguide

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

Noise-free on-demand atomic frequency comb quantum memory

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

Microscopic treatment of instantaneous spectral diffusion and its effect on quantum gate fidelities in rare-earth-ion-doped crystals

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

Dynamic control of Purcell enhanced emission of erbium ions in nanoparticles.

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

Lasing in the superradiant crossover regime

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

High-connectivity quantum processor nodes using single-ion qubits in rare-earth-ion-doped crystals

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

Slow light frequency reference cavities—proof of concept for reducing the frequency sensitivity due to length fluctuations

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

Optical homogeneous and inhomogeneous linewidths in 171Yb3+:Y2SiO5

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

Ultra-narrow optical linewidths in rare-earth molecular crystals

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