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An Open Superconducting Quantum Computer

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

HPC simulation of many-qubit circuits (benchmarking algorithms) in the presence of non-Markovian errors (opens in new window)

HPC simulation of manyqubit circuits benchmarking algorithms in the presence of nonMarkovian errors

Calibration and parameter estimation tools and methods (opens in new window)

Calibration and parameter estimation tools and methods (T4.1.1; USAAR)

High-fidelity gates according to benchmarks (opens in new window)

Highfidelity gates according to benchmarks T413 CHALMERS ETHZ

Control hardware (opens in new window)

Control hardware T43

Intermediate report on ML and optimization (opens in new window)
Sixth global performance analysis (opens in new window)
Report on benchmarking methods and optimal gate sets (opens in new window)
Report on qubit performance with resonator on control chip (opens in new window)
Roadmap for public access to Quantum User Facility (opens in new window)
Report on quantum chemistry benchmarking (opens in new window)
Final report on standards and data management (opens in new window)
Report on TWPA characteristics (opens in new window)
Report on 100 qubit readout system, including specifications, design, verified performance, technical drawings and documentation. (opens in new window)

Report on 100 qubit readout system including specifications design verified performance technical drawings and documentation

Report on quantum speedup in ML, optimization, and linear algebra (opens in new window)

Report on quantum speedup in ML optimization and linear algebra

Report on gate fidelity in 3D integrated devices (opens in new window)
Report on quantum chemistry progress (opens in new window)
Platform-as-a-Service (PaaS) first offering ready (opens in new window)

PlatformasaService PaaS first offering ready

User questionnaire (opens in new window)
Report on series-production of TWPAs (opens in new window)
Interface definitions (opens in new window)

Interface definitions (T4.2.1; USAAR, ETHZ, ZI)

Final report on HPC simulation of QC: Conclusions for quantum computing without error correction (opens in new window)

Final report on HPC simulation of QC Conclusions for quantum computing without error correction

Interim report on HPC simulation of QC (opens in new window)
100 Qubit quantum computer offered by CQCL (opens in new window)

Publications

Implementation of Conditional-Phase Gates based on tunable ZZ-Interactions (opens in new window)

Author(s): Michele C. Collodo, Johannes Herrmann, Nathan Lacroix, Christian Kraglund Andersen, Ants Remm, Stefania Lazar, Jean-Claude Besse, Theo Walter, Andreas Wallraff, Christopher Eichler
Published in: Phys. Rev. Lett., Issue 125, 2020, Page(s) 240502, ISSN 1079-7114
Publisher: American Physical Society
DOI: 10.48550/arxiv.2005.08863

Speed-up Quantum Perceptron via Shortcuts to Adiabaticity (opens in new window)

Author(s): Yue Ban, Xi Chen, E. Torrontegui, E. Solano, J. Casanova
Published in: Scientific Reports, Issue 11, 2021, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-021-85208-3

Enhanced connectivity of quantum hardware with digital-analog control (opens in new window)

Author(s): Asier Galicia, Borja Ramon, Enrique Solano, and Mikel Sanz
Published in: Phys. Rev. Research, Issue 2, 2020, Page(s) 033103, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.2.033103

Time-optimal variational control of bright matter-wave soliton (opens in new window)

Author(s): Tang-You Huang, Jia Zhang, Jing Li, Xi Chen
Published in: Phys. Rev. A, Issue 102, 2020, Page(s) 053313, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.102.053313

Fast Multiqubit Gates through Simultaneous Two-Qubit Gates (opens in new window)

Author(s): Xiu Gu, Jorge Fernández-Pendás, Pontus Vikstål, Tahereh Abad, Christopher Warren, Andreas Bengtsson, Giovanna Tancredi, Vitaly Shumeiko, Jonas Bylander, Göran Johansson, and Anton Frisk Kockum
Published in: PRX Quantum, Issue 2, 2021, Page(s) 040348, ISSN 2691-3399
Publisher: American Physical Society
DOI: 10.1103/prxquantum.2.040348

Smooth bang-bang shortcuts to adiabaticity for atomic transport in a moving harmonic trap (opens in new window)

Author(s): Yongcheng Ding, Tang-You Huang, Koushik Paul, Minjia Hao, Xi Chen
Published in: Phys. Rev. A, Issue 101, 2020, Page(s) 063410, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.101.063410

Measurement-Based Adaptation Protocol with Quantum Reinforcement Learning in a Rigetti Quantum Computer (opens in new window)

Author(s): Julio Olivares-Sánchez, Jorge Casanova, Enrique Solano, Lucas Lamata
Published in: Quantum Reports, Issue 2/2, 2020, Page(s) 293-304, ISSN 2624-960X
Publisher: MDPI
DOI: 10.3390/quantum2020019

Algorithm for initializing a generalized fermionic Gaussian state on a quantum computer (opens in new window)

Author(s): Michael P. Kaicher, Simon B. Jäger, Frank K. Wilhelm
Published in: Journal of Physics A: Mathematical and Theoretical, Issue 54/39, 2021, ISSN 1751-8121
Publisher: IOP Publishing
DOI: 10.1088/1751-8121/ac1f3c

Entangled quantum memristors (opens in new window)

Author(s): Shubham Kumar, Francisco A. Cárdenas-López, Narendra N. Hegade, Xi Chen, Francisco Albarrán-Arriagada, Enrique Solano, and Gabriel Alvarado Barrios
Published in: Phys. Rev. A, Issue 104, 2021, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.104.062605

Stability of superconducting resonators: Motional narrowing and the role of Landau-Zener driving of two-level defects (opens in new window)

Author(s): David Niepce, Jonathan J. Burnett, Marina Kudra, Jared H. Cole, Jonas Bylander
Published in: Science Advances, Issue 7/39, 2021, Page(s) eabh0462, ISSN 2375-2548
Publisher: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/sciadv.abh0462

Quantum algorithm for solving linear differential equations: Theory and experiment (opens in new window)

Author(s): Tao Xin, Shijie Wei, Jianlian Cui, Junxiang Xiao, Iñigo Arrazola, Lucas Lamata, Xiangyu Kong, Dawei Lu, Enrique Solano, and Guilu Long
Published in: Phys. Rev. A, Issue 101, 2020, Page(s) 032307, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.101.032307

General error mitigation for quantum circuits (opens in new window)

Author(s): Manpreet Singh Jattana, Fengping Jin, Hans De Raedt, Kristel Michielsen
Published in: Quantum Information Processing, Issue 19/11, 2020, ISSN 1570-0755
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s11128-020-02913-0

Simulating Lattice Gauge Theories within Quantum Technologies (opens in new window)

Author(s): M.C. Bañuls, R. Blatt, J. Catani, A. Celi, J.I. Cirac, M. Dalmonte, L. Fallani, K. Jansen, M. Lewenstein, S. Montangero, C.A. Muschik, B. Reznik, E. Rico, L. Tagliacozzo, K. Van Acoleyen, F. Verstraete, U.-J. Wiese, M. Wingate, J. Zakrzewski, P. Zoller
Published in: The European Physical Journal D, Issue 74, 2020, ISSN 1434-6079
Publisher: The European Physical Journal is jointly published by EDP Sciences, Società Italiana di Fisica and Springer Berlin Heidelberg
DOI: 10.1140/epjd/e2020-100571-8

Wehrl entropy production rate across a dynamical quantum phase transition (opens in new window)

Author(s): B. O. Goes, G. T. Landi, E. Solano, M. Sanz, L. C. Céleri
Published in: Phys. Rev. Research, Issue 2, 2020, Page(s) 033419, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.2.033419

Improved Success Probability with Greater Circuit Depth for the Quantum Approximate Optimization Algorithm (opens in new window)

Author(s): Andreas Bengtsson, Pontus Vikstål, Christopher Warren, Marika Svensson, Xiu Gu, Anton Frisk Kockum, Philip Krantz, Christian Križan, Daryoush Shiri, Ida-Maria Svensson, Giovanna Tancredi, Göran Johansson, Per Delsing, Giulia Ferrini, Jonas Bylander
Published in: Physical Review Applied, Issue 14/3, 2020, Page(s) 034010, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.14.034010

Breaking Adiabatic Quantum Control with Deep Learning (opens in new window)

Author(s): Yongcheng Ding, Yue Ban, José D. Martín-Guerrero, Enrique Solano, Jorge Casanova, Xi Chen
Published in: Phys. Rev. A, Issue 103, 2021, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.103.l040401

Neural-network-based parameter estimation for quantum detection (opens in new window)

Author(s): Yue Ban, Javier Echanobe, Yongcheng Ding, Ricardo Puebla, Jorge Casanova
Published in: Quantum Science and Technology, Issue 6/4, 2021, ISSN 2058-9565
Publisher: IOP Science
DOI: 10.1088/2058-9565/ac16ed

Applying the Quantum Approximate Optimization Algorithm to the Tail-Assignment Problem (opens in new window)

Author(s): Pontus Vikstål, Mattias Grönkvist, Marika Svensson, Martin Andersson, Göran Johansson, Giulia Ferrini
Published in: Physical Review Applied, Issue 14/3, 2020, Page(s) 034009, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.14.034009

Roadmap for quantum simulation of the fractional quantum Hall effect (opens in new window)

Author(s): Michael P. Kaicher, Simon B. Jäger, Pierre-Luc Dallaire-Demers, Frank K. Wilhelm
Published in: Physical Review A, Issue 102/2, 2020, Page(s) 022607, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.102.022607

Degree of Quantumness in Quantum Synchronization (opens in new window)

Author(s): H. Eneriz, D. Z. Rossatto, F. A. Cárdenas-L'opez, E. Solano, M. Sanz
Published in: Scientific Reports, Issue 9, 2019, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-019-56468-x

Shortcuts to Adiabaticity for Optical Beam Propagation in Nonlinear Gradient Refractive-Index Media (opens in new window)

Author(s): Kong, Q.; Ying, H.; Chen, X
Published in: Entropy, Issue 22, 2020, ISSN 1099-4300
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/e22060673

Phase-adaptive dynamical decoupling methods for robust spin-spin dynamics in trapped ions (opens in new window)

Author(s): Lijuan Dong, Iñigo Arrazola, Xi Chen, Jorge Casanova
Published in: Phys. Rev. Applied, Issue 15, 2021, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.15.034055

Simplified Josephson-junction fabrication process for reproducibly high-performance superconducting qubits (opens in new window)

Author(s): A. Osman, J. Simon, A. Bengtsson, S. Kosen, P. Krantz, D. P. Lozano, M. Scigliuzzo, P. Delsing, Jonas Bylander, A. Fadavi Roudsari
Published in: Applied Physics Letters, Issue 118/6, 2021, Page(s) 064002, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0037093

Improving the Performance of Deep Quantum Optimization Algorithms with Continuous Gate Sets (opens in new window)

Author(s): Nathan Lacroix, Christoph Hellings, Christian Kraglund Andersen, Agustin Di Paolo, Ants Remm, Stefania Lazar, Sebastian Krinner, Graham J. Norris, Mihai Gabureac, Johannes Heinsoo, Alexandre Blais, Christopher Eichler, Andreas Wallraff
Published in: PRX Quantum, Issue 1/2, 2020, Page(s) 110304, ISSN 2691-3399
Publisher: American Physical Society
DOI: 10.1103/prxquantum.1.020304

Leakage reduction in fast superconducting qubit gates via optimal control (opens in new window)

Author(s): M. Werninghaus, D. J. Egger, F. Roy, S. Machnes, F. K. Wilhelm, S. Filipp
Published in: npj Quantum Information, Issue 7/1, 2021, ISSN 2056-6387
Publisher: Springer Nature Limited
DOI: 10.1038/s41534-020-00346-2

Hybrid Microwave-Radiation Patterns for High-Fidelity Quantum Gates with Trapped Ions (opens in new window)

Author(s): I. Arrazola, M.B. Plenio, E. Solano, J. Casanova
Published in: Phys. Rev. Applied, Issue 13, 2020, Page(s) 024068, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.13.024068

The TRAPSENSOR Facility: an Open-Ring 7-Tesla Penning Trap for Laser-Based Precision Experiments (opens in new window)

Author(s): Manuel J. Gutiérrez, Joaquín Berrocal, Juan Manuel Cornejo, Francisco Domínguez, Jesús J. Del Pozo, Iñigo Arrazola, Javier Bañuelos, Pablo Escobedo, Oliver Kaleja, Lucas Lamata, Raúl A. Rica, Stefan Schmidt, Michael Block, Enrique Solano, Daniel Rodríguez
Published in: New Journal of Physics, Issue 21, 2019, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aafa45

Retrieving Quantum Information with Active Learning (opens in new window)

Author(s): Yongcheng Ding, José D. Martín-Guerrero, Mikel Sanz, Rafael Magdalena-Benedicto, Xi Chen, Enrique Solano
Published in: Phys. Rev. Lett, Issue 124, 2020, Page(s) 140504, ISSN 1079-7114
Publisher: American Physical Society
DOI: 10.1103/physrevlett.124.140504

Monogamy of temporal correlations: Witnessing non-Markovianity beyond data processing (opens in new window)

Author(s): Matheus Capela, Lucas C. Céleri, Kavan Modi, and Rafael Chaves
Published in: Phys. Rev. Research, Issue 2, 2020, Page(s) 013350, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.2.013350

Enhancing the robustness of dynamical decoupling sequences with correlated random phases (opens in new window)

Author(s): Zhen-Yu Wang, Jorge Casanova, Martin B. Plenio
Published in: Symmetry, Issue 12, 2020, Page(s) 730, ISSN 2073-8994
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/sym12050730

Shortcuts to Adiabaticity in Digitized Adiabatic Quantum Computing (opens in new window)

Author(s): Narendra N. Hegade, Koushik Paul, Yongcheng Ding, Mikel Sanz, F. Albarrán-Arriagada, Enrique Solano, Xi Chen
Published in: Phys. Rev. Applied, Issue 15, 2021, Page(s) 024038, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.15.024038

Benchmarking Coherent Errors in Controlled-Phase Gates due to Spectator Qubits (opens in new window)

Author(s): S. Krinner, S. Lazar, A. Remm, C.K. Andersen, N. Lacroix, G.J. Norris, C. Hellings, M. Gabureac, C. Eichler, A. Wallraff
Published in: Physical Review Applied, Issue 14/2, 2020, Page(s) 024042, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.14.024042

Forecasting Election Polls with Spin Systems (opens in new window)

Author(s): Ruben Ibarrondo, Mikel Sanz, Roman Orus
Published in: SN Computer Science, Issue 3, 2022, ISSN 2661-8907
Publisher: Springer Nature
DOI: 10.1007/s42979-021-00942-9

Toward pricing financial derivatives with an IBM quantum computer (opens in new window)

Author(s): Ana Martin, Bruno Candelas, Ángel Rodríguez-Rozas, José D. Martín-Guerrero, Xi Chen, Lucas Lamata, Román Orús, Enrique Solano, Mikel Sanz
Published in: Phys. Rev. Research, Issue 3, 2021, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.3.013167

Active Learning for the Optimal Design of Multinomial Classification in Physics (opens in new window)

Author(s): Yongcheng Ding, José D Martín-Guerrero, Yujing Song, Rafael Magdalena-Benedito, Xi Chen
Published in: Phys. Rev. Research, Issue 4, 2022, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.48550/arxiv.2109.08612

Analog simulator of integro-differential equations with classical memristors (opens in new window)

Author(s): G. Alvarado Barrios, J. C. Retamal, E. Solano, M. Sanz
Published in: Scientific Reports, Issue 9/1, 2019, Page(s) 12928, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-019-49204-y

Reconstruction of a Photonic Qubit State with Reinforcement Learning (opens in new window)

Author(s): Shang Yu, Francisco Albarrán‐Arriagada, Juan Carlos Retamal, Yi‐Tao Wang, Wei Liu, Zhi‐Jin Ke, Yu Meng, Zhi‐Peng Li, Jian‐Shun Tang, Enrique Solano, Lucas Lamata, Chuan‐Feng Li, Guang‐Can Guo
Published in: Advanced Quantum Technologies, Issue 2/7-8, 2019, Page(s) 1800074, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.201800074

Digital-analog quantum computation (opens in new window)

Author(s): Adrian Parra-Rodriguez, Pavel Lougovski, Lucas Lamata, Enrique Solano, Mikel Sanz
Published in: Physical Review A, Issue 101/2, 2020, Page(s) 22305, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/PhysRevA.101.022305

Quantum simulation of multiphoton and nonlinear dissipative spin-boson models (opens in new window)

Author(s): R. Puebla, J. Casanova, O. Houhou, E. Solano, M. Paternostro
Published in: Physical Review A, Issue 99/3, 2019, Page(s) 32303, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/PhysRevA.99.032303

Canonical circuit quantization with linear nonreciprocal devices (opens in new window)

Author(s): A. Parra-Rodriguez, I. L. Egusquiza, D. P. DiVincenzo, E. Solano
Published in: Physical Review B, Issue 99/1, 2019, Page(s) 14514, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.99.014514

Quantized Single-Ion-Channel Hodgkin-Huxley Model for Quantum Neurons (opens in new window)

Author(s): Tasio Gonzalez-Raya, Xiao-Hang Cheng, Iñigo L. Egusquiza, Xi Chen, Mikel Sanz, Enrique Solano
Published in: Physical Review Applied, Issue 12/1, 2019, Page(s) 14037, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.12.014037

Enhanced Quantum Synchronization via Quantum Machine Learning (opens in new window)

Author(s): Francisco A. Cárdenas‐López, Mikel Sanz, Juan Carlos Retamal, Enrique Solano
Published in: Advanced Quantum Technologies, Issue 2/7-8, 2019, Page(s) 1800076, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.201800076

Quantum Memristors in Frequency-Entangled Optical Fields (opens in new window)

Author(s): Tasio Gonzalez-Raya, Joseph M. Lukens, Lucas C. Céleri, Mikel Sanz
Published in: Materials, Issue 13/4, 2020, Page(s) 864, ISSN 1996-1944
Publisher: MDPI Open Access Publishing
DOI: 10.3390/ma13040864

Modulated Continuous Wave Control for Energy-Efficient Electron-Nuclear Spin Coupling (opens in new window)

Author(s): J. Casanova, E. Torrontegui, M. B. Plenio, J. J. García-Ripoll, E. Solano
Published in: Physical Review Letters, Issue 122/1, 2019, Page(s) 10407, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.122.010407

Quantized Three-Ion-Channel Neuron Model for Neural Action Potentials (opens in new window)

Author(s): Tasio Gonzalez-Raya, Enrique Solano, Mikel Sanz
Published in: Quantum, Issue 4, 2020, Page(s) 224, ISSN 2521-327X
Publisher: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/q-2020-01-20-224

Entanglement through qubit motion and the dynamical Casimir effect (opens in new window)

Author(s): Andrés Agustí, Enrique Solano, Carlos Sabín
Published in: Physical Review A, Issue 99/5, 2019, Page(s) 052328, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/PhysRevA.99.052328

Spin-Boson Model as A Simulator of Non-Markovian Multiphoton Jaynes-Cummings Models (opens in new window)

Author(s): Ricardo Puebla, Giorgio Zicari, Iñigo Arrazola, Enrique Solano, Mauro Paternostro, Jorge Casanova
Published in: Symmetry, Issue 11/5, 2019, Page(s) 695, ISSN 2073-8994
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/sym11050695

Decoherence benchmarking of superconducting qubits (opens in new window)

Author(s): Jonathan J. Burnett, Andreas Bengtsson, Marco Scigliuzzo, David Niepce, Marina Kudra, Per Delsing, Jonas Bylander
Published in: npj Quantum Information, Issue 5/1, 2019, ISSN 2056-6387
Publisher: Springer Nature
DOI: 10.1038/s41534-019-0168-5

Secure quantum remote state preparation of squeezed microwave states (opens in new window)

Author(s): S. Pogorzalek, K. G. Fedorov, M. Xu, A. Parra-Rodriguez, M. Sanz, M. Fischer, E. Xie, K. Inomata, Y. Nakamura, E. Solano, A. Marx, F. Deppe, R. Gross
Published in: Nature Communications, Issue 10/1, 2019, Page(s) 2604, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-019-10727-7

Digital-analog quantum algorithm for the quantum Fourier transform (opens in new window)

Author(s): Ana Martin, Lucas Lamata, Enrique Solano, Mikel Sanz
Published in: Physical Review Research, Issue 2/1, 2020, Page(s) 13012, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/PhysRevResearch.2.013012

Reinforcement learning for semi-autonomous approximate quantum eigensolver (opens in new window)

Author(s): F Albarrán-Arriagada, J C Retamal, E Solano, L Lamata
Published in: Machine Learning: Science and Technology, Issue 1/1, 2020, Page(s) 015002, ISSN 2632-2153
Publisher: IOP Publishing Ltd
DOI: 10.1088/2632-2153/ab43b4

Selective hybrid spin interactions with low radiation power (opens in new window)

Author(s): I. Arrazola, E. Solano, J. Casanova
Published in: Physical Review B, Issue 99/24, 2019, Page(s) 245405, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.99.245405

Can Biological Quantum Networks Solve NP‐Hard Problems? (opens in new window)

Author(s): Göran Wendin
Published in: Advanced Quantum Technologies, Issue 2/7-8, 2019, Page(s) 1800081, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.201800081

Experimental Implementation of a Quantum Autoencoder via Quantum Adders (opens in new window)

Author(s): Yongcheng Ding, Lucas Lamata, Mikel Sanz, Xi Chen, Enrique Solano
Published in: Advanced Quantum Technologies, Issue 2/7-8, 2019, Page(s) 1800065, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.201800065

Parity-Assisted Generation of Nonclassical States of Light in Circuit Quantum Electrodynamics (opens in new window)

Author(s): Francisco Cárdenas-López, Guillermo Romero, Lucas Lamata, Enrique Solano, Juan Retamal
Published in: Symmetry, Issue 11/3, 2019, Page(s) 372, ISSN 2073-8994
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/sym11030372

Quantum computing cryptography: Finding cryptographic Boolean functions with quantum annealing by a 2000 qubit D-wave quantum computer (opens in new window)

Author(s): Feng Hu, Lucas Lamata, Mikel Sanz, Xi Chen, Xingyuan Chen, Chao Wang, Enrique Solano
Published in: Physics Letters A, Issue 384/10, 2020, Page(s) 126214, ISSN 0375-9601
Publisher: Elsevier BV
DOI: 10.1016/j.physleta.2019.126214

Entanglement stabilization using ancilla-based parity detection and real-time feedback in superconducting circuits (opens in new window)

Author(s): Christian Kraglund Andersen, Ants Remm, Stefania Lazar, Sebastian Krinner, Johannes Heinsoo, Jean-Claude Besse, Mihai Gabureac, Andreas Wallraff, Christopher Eichler
Published in: npj Quantum Information, Issue 5/1, 2019, ISSN 2056-6387
Publisher: Springer Nature
DOI: 10.1038/s41534-019-0185-4

Digital-Analog Quantum Simulations Using The Cross-Resonance Effect (opens in new window)

Author(s): Tasio Gonzalez-Raya, Rodrigo Asensio-Perea, Ana Martin, Lucas C. Céleri, Mikel Sanz, Pavel Lougovski, Eugene F. Dumitrescu
Published in: PRX Quantum, Issue 2, 2021, ISSN 2691-3399
Publisher: American Physical Society
DOI: 10.1103/prxquantum.2.020328

Explicit Diagrammatic Solution of Normalised, Nondegenerate Rayleigh–Schrödinger Perturbation Theory (opens in new window)

Author(s): Joel C. Pommerening, David P. DiVincenzo
Published in: Annales Henri Poincaré, 2022, ISSN 1424-0661
Publisher: Springer
DOI: 10.1007/s00023-021-01150-0

Unified Superradiant phase transitions (opens in new window)

Author(s): Jie Peng, Enrique Rico, Jianxin Zhong, Enrique Solano, and Iñigo L. Egusquiza
Published in: Phys. Rev. A, Issue 100, 2019, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.100.063820

Implementation of a Hybrid Classical-Quantum Annealing Algorithm for Logistic Network Design (opens in new window)

Author(s): Yongcheng Ding, Xi Chen, Lucas Lamata, Enrique Solano, Mikel Sanz
Published in: SN Computer Science, Issue 2, 2021, ISSN 2661-8907
Publisher: Springer Nature
DOI: 10.1007/s42979-021-00466-2

Garden optimization problems for benchmarking quantum annealers (opens in new window)

Author(s): Carlos D. Gonzalez Calaza; Dennis Willsch; Kristel Michielsen; Kristel Michielsen
Published in: Quantum Information Processing, Issue 305, 2021, ISSN 1573-1332
Publisher: Springer
DOI: 10.1007/s11128-021-03226-6

Digitized adiabatic quantum factorization (opens in new window)

Author(s): Narendra N. Hegade, Koushik Paul, F. Albarrán-Arriagada, Xi Chen, and Enrique Solano
Published in: Phys. Rev. A, Issue 104, 2021, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.104.l050403

Repeated quantum error detection in a surface code (opens in new window)

Author(s): Christian Kraglund Andersen, Ants Remm, Stefania Lazar, Sebastian Krinner, Nathan Lacroix, Graham J. Norris, Mihai Gabureac, Christopher Eichler, Andreas Wallraff
Published in: Nature Physics, Issue 16/8, 2020, Page(s) 875-880, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-020-0920-y

Double quantum magnetometry at large static magnetic fields (opens in new window)

Author(s): C. Munuera-Javaloy, I. Arrazola, E. Solano, and J. Casanova
Published in: Phys. Rev. B, Issue 101, 2020, Page(s) 104411, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.101.104411

Integrated Tool Set for Control, Calibration, and Characterization of Quantum Devices Applied to Superconducting Qubits (opens in new window)

Author(s): Nicolas Wittler, Federico Roy, Kevin Pack, Max Werninghaus, Anurag Saha Roy, Daniel J. Egger, Stefan Filipp, Frank K. Wilhelm, and Shai Machnes
Published in: Phys. Rev. Applied, Issue 2, 2021, Page(s) 40348, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.15.034080

Dynamical decoupling methods in nanoscale NMR (opens in new window)

Author(s):  C. Munuera-Javaloy, R. Puebla, J. Casanova
Published in: Europhysics Letters, Issue 134/3, 2021, ISSN 1286-4854
Publisher: IOP Publishing
DOI: 10.1209/0295-5075/ac0ed1

Quantum Advantage in Cryptography with a Low-Connectivity Quantum Annealer (opens in new window)

Author(s): Feng Hu, Lucas Lamata, Chao Wang, Xi Chen, Enrique Solano, Mikel Sanz
Published in: Phys. Rev. Applied, Issue 13, 2020, Page(s) 054062, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.13.054062

Versatile Atomic Magnetometry Assisted by Bayesian Inference (opens in new window)

Author(s): R. Puebla, Y. Ban, J. F. Haase, M. B. Plenio, M. Paternostro, J. Casanova
Published in: Phys. Rev. Applied, Issue 16, 2021, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.16.024044

Primary Thermometry of Propagating Microwaves in the Quantum Regime (opens in new window)

Author(s): Marco Scigliuzzo, Andreas Bengtsson, Jean-Claude Besse, Andreas Wallraff, Per Delsing, Simone Gasparinetti
Published in: Physical Review X, Issue 10/4, 2020, Page(s) 041054, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/physrevx.10.041054

Selective Interactions in the Quantum Rabi Model (opens in new window)

Author(s): L. Cong, S. Felicetti, J. Casanova, L. Lamata, E. Solano, I. Arrazola
Published in: Phys. Rev. A, Issue 101, 2020, Page(s) 032350, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.101.032350

Characterizing cryogenic amplifiers with a matched temperature-variable noise source (opens in new window)

Author(s): Slawomir Simbierowicz, Visa Vesterinen, Joshua Milem, Aleksi Lintunen, Mika Oksanen, Leif Roschier, Leif Grönberg, Juha Hassel, David Gunnarsson, Russell E. Lake
Published in: Review of Scientific Instruments, Issue 92/3, 2021, Page(s) 034708, ISSN 0034-6748
Publisher: American Institute of Physics
DOI: 10.1063/5.0028951

Digitized-counterdiabatic quantum approximate optimization algorithm (opens in new window)

Author(s): P. Chandarana, N. N. Hegade, K. Paul, F. Albarrán-Arriagada, E. Solano, A. del Campo, and Xi Chen
Published in: Phys. Rev. Research, Issue 4, 2022, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.4.013141

Robust Detection of High-Frequency Signals at the Nanoscale (opens in new window)

Author(s): Carlos Munuera-Javaloy, Yue Ban, Xi Chen, and Jorge Casanova
Published in: Phys. Rev. Applied, Issue 14, 2020, Page(s) 054054, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.14.054054

Benchmarking the variational quantum eigensolver through simulation of the ground state energy of prebiotic molecules on high-performance computers (opens in new window)

Author(s): Lolur, P.; Rahm, M.; Skogh, M.; Garcia-Alvarez, L.; Wendin, G.
Published in: AIP Conference Proceedings, Issue 2362, 2021, Page(s) 030005
Publisher: AIP Publishing
DOI: 10.1063/5.0054915

Machine-learning tools for rapid control, calibration and characterization of QPUs and other quantum devices

Author(s): Machnes, S., Wittler, N., Roy, F., Pack, K., Max, w., Saha Roy, A., Daniel, E., Stefan, S., Wilhelm-Mauch, F.
Published in: APS march Meeting 2020, 2020
Publisher: American Physical Society

Benchmarking the Quantum Approximate Optimization Algorithm

Author(s): Willsch, Madita; Willsch, Dennis; Jin, Fengping; De Raedt, Hans; Michielsen, Kristel
Published in: Assessing Performance of Quantum Computers, Estes Park, USA, 2019-09-25 - 2019-09-27, Issue 2, 2019
Publisher: FZJ

Advanced Control Calibration for NISQ QPUs and Quantum Devices-Theory and Experiments

Author(s): Pack, K., Machnes, S., Wittler, N., A. Saha Roy, Wilhelm-Mauch, F.
Published in: APS March Meeting 2020, 2020
Publisher: American Physical Society

Automatic Calibration and Characterization of Quantum Devices - Experimental Results on NISQ QPUs and Quantum Memory devices

Author(s): N. Wittler, S. Machnes, F. Roy, A. Saha Roy, K. Pack, F. Wilhelm-Mauch
Published in: APS March Meeting 2020, 2020
Publisher: American Physical Society

How OpenSuperQ is planning to fully calibrate and characterize a 100 qubit superconducting QPU over the weekend

Author(s): Machnes, S., Wittler, N., Saha Roy, A., Pack, K., Wilhelm-Mauch, F.
Published in: APS March Meeting 2020, 2020
Publisher: American Physical Society

An introduction into optimal control for quantum technologies

Author(s): Wilhelm, Frank K.; Kirchhoff, Susanna; Machnes, Shai; Wittler, Nicolas; Sugny, Dominique
Published in: Lecture notes for the 51st IFF Spring School, 2020
Publisher: Forschungszentrum Jülich

Intellectual Property Rights

CONFIGURABLE QUANTUM-COMPUTING CONTROL SYSTEM

Application/Publication number: 20 20059744
Date: 2020-04-06
Applicant(s): ZURICH INSTRUMENTS AG

A FAST CONTROLLER DEVICE FOR CONTROLLING A QUANTUM PROCESSOR

Application/Publication number: 20 20064516
Date: 2020-05-26
Applicant(s): ZURICH INSTRUMENTS AG

QUANTUM COMPUTER-IMPLEMENTED METHOD FOR SOLVING A PARTIAL DIFFERENTIAL EQUATION

Application/Publication number: 20 21075125
Date: 2021-09-13
Applicant(s): UNIVERSIDAD DEL PAIS VASCO/ EUSKAL HERRIKO UNIBERTSITATEA

EXTERNAL PORT MEASUREMENT OF QUBIT PORT RESPONSES

Application/Publication number: 20 19070492
Date: 2019-07-30
Applicant(s): FORSCHUNGSZENTRUM JULICH GMBH

AN ARBITRARY WAVEFORM GENERATOR WITH ADVANCED COMMAND CONTROL

Application/Publication number: 20 20068547
Date: 2020-07-01
Applicant(s): ZURICH INSTRUMENTS AG

QUANTUM COMPUTER-IMPLEMENTED METHOD FOR SOLVING A PARTIAL DIFFERENTIAL EQUATION

Application/Publication number: 20 382822
Date: 2020-09-17
Applicant(s): UNIVERSIDAD DEL PAIS VASCO/ EUSKAL HERRIKO UNIBERTSITATEA

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