An Open Superconducting Quantum Computer

Deliverables

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

Interim report on HPC simulation of QC

Calibration and parameter estimation tools and methods

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

Pulse definitions and generation tools

Pulse definitions and generation tools (T4.1.2; USAAR, ZI)

Public project website

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Publications

Implementation of Conditional-Phase Gates based on tunable ZZ-Interactions

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., 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

Author(s): Yue Ban, Xi Chen, E. Torrontegui, E. Solano, J. Casanova
Published in: Scientific Reports, 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

Author(s): Asier Galicia, Borja Ramon, Enrique Solano, and Mikel Sanz
Published in: Phys. Rev. Research, 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

Author(s): Tang-You Huang, Jia Zhang, Jing Li, Xi Chen
Published in: Phys. Rev. A, 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

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, 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

Author(s): Yongcheng Ding, Tang-You Huang, Koushik Paul, Minjia Hao, Xi Chen
Published in: Phys. Rev. A, 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

Author(s): Julio Olivares-Sánchez, Jorge Casanova, Enrique Solano, Lucas Lamata
Published in: Quantum Reports, 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

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

Entangled quantum memristors

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, 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

Author(s): David Niepce, Jonathan J. Burnett, Marina Kudra, Jared H. Cole, Jonas Bylander
Published in: Science Advances, 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

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, 101, 2020, Page(s) 032307, ISSN 2469-9934
Publisher: American Physical Society
DOI: 10.1103/physreva.101.032307

General error mitigation for quantum circuits

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

Simulating Lattice Gauge Theories within Quantum Technologies

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, 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

Author(s): B. O. Goes, G. T. Landi, E. Solano, M. Sanz, L. C. Céleri
Published in: Phys. Rev. Research, 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

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, 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

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

Neural-network-based parameter estimation for quantum detection

Author(s): Yue Ban, Javier Echanobe, Yongcheng Ding, Ricardo Puebla, Jorge Casanova
Published in: Quantum Science and Technology, 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

Author(s): Pontus Vikstål, Mattias Grönkvist, Marika Svensson, Martin Andersson, Göran Johansson, Giulia Ferrini
Published in: Physical Review Applied, 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

Author(s): Michael P. Kaicher, Simon B. Jäger, Pierre-Luc Dallaire-Demers, Frank K. Wilhelm
Published in: Physical Review A, 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

Author(s): H. Eneriz, D. Z. Rossatto, F. A. Cárdenas-L'opez, E. Solano, M. Sanz
Published in: Scientific Reports, 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

Author(s): Kong, Q.; Ying, H.; Chen, X
Published in: Entropy, 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

Author(s): Lijuan Dong, Iñigo Arrazola, Xi Chen, Jorge Casanova
Published in: Phys. Rev. Applied, 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

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, 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

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, 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

Author(s): M. Werninghaus, D. J. Egger, F. Roy, S. Machnes, F. K. Wilhelm, S. Filipp
Published in: npj Quantum Information, 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

Author(s): I. Arrazola, M.B. Plenio, E. Solano, J. Casanova
Published in: Phys. Rev. Applied, 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

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, 21, 2019, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aafa45

Retrieving Quantum Information with Active Learning

Author(s): Yongcheng Ding, José D. Martín-Guerrero, Mikel Sanz, Rafael Magdalena-Benedicto, Xi Chen, Enrique Solano
Published in: Phys. Rev. Lett, 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

Author(s): Matheus Capela, Lucas C. Céleri, Kavan Modi, and Rafael Chaves
Published in: Phys. Rev. Research, 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

Author(s): Zhen-Yu Wang, Jorge Casanova, Martin B. Plenio
Published in: Symmetry, 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

Author(s): Narendra N. Hegade, Koushik Paul, Yongcheng Ding, Mikel Sanz, F. Albarrán-Arriagada, Enrique Solano, Xi Chen
Published in: Phys. Rev. Applied, 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

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, 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

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

Toward pricing financial derivatives with an IBM quantum computer

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, 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

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

Analog simulator of integro-differential equations with classical memristors

Author(s): G. Alvarado Barrios, J. C. Retamal, E. Solano, M. Sanz
Published in: Scientific Reports, 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

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, 2/7-8, 2019, Page(s) 1800074, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.201800074

Digital-analog quantum computation

Author(s): Adrian Parra-Rodriguez, Pavel Lougovski, Lucas Lamata, Enrique Solano, Mikel Sanz
Published in: Physical Review A, 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

Author(s): R. Puebla, J. Casanova, O. Houhou, E. Solano, M. Paternostro
Published in: Physical Review A, 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

Author(s): A. Parra-Rodriguez, I. L. Egusquiza, D. P. DiVincenzo, E. Solano
Published in: Physical Review B, 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

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

Enhanced Quantum Synchronization via Quantum Machine Learning

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

Quantum Memristors in Frequency-Entangled Optical Fields

Author(s): Tasio Gonzalez-Raya, Joseph M. Lukens, Lucas C. Céleri, Mikel Sanz
Published in: Materials, 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

Author(s): J. Casanova, E. Torrontegui, M. B. Plenio, J. J. García-Ripoll, E. Solano
Published in: Physical Review Letters, 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

Author(s): Tasio Gonzalez-Raya, Enrique Solano, Mikel Sanz
Published in: Quantum, 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

Author(s): Andrés Agustí, Enrique Solano, Carlos Sabín
Published in: Physical Review A, 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

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

Decoherence benchmarking of superconducting qubits

Author(s): Jonathan J. Burnett, Andreas Bengtsson, Marco Scigliuzzo, David Niepce, Marina Kudra, Per Delsing, Jonas Bylander
Published in: npj Quantum Information, 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

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, 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

Author(s): Ana Martin, Lucas Lamata, Enrique Solano, Mikel Sanz
Published in: Physical Review Research, 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

Author(s): F Albarrán-Arriagada, J C Retamal, E Solano, L Lamata
Published in: Machine Learning: Science and Technology, 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

Author(s): I. Arrazola, E. Solano, J. Casanova
Published in: Physical Review B, 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?

Author(s): Göran Wendin
Published in: Advanced Quantum Technologies, 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

Author(s): Yongcheng Ding, Lucas Lamata, Mikel Sanz, Xi Chen, Enrique Solano
Published in: Advanced Quantum Technologies, 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

Author(s): Francisco Cárdenas-López, Guillermo Romero, Lucas Lamata, Enrique Solano, Juan Retamal
Published in: Symmetry, 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

Author(s): Feng Hu, Lucas Lamata, Mikel Sanz, Xi Chen, Xingyuan Chen, Chao Wang, Enrique Solano
Published in: Physics Letters A, 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

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, 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

Author(s): Tasio Gonzalez-Raya, Rodrigo Asensio-Perea, Ana Martin, Lucas C. Céleri, Mikel Sanz, Pavel Lougovski, Eugene F. Dumitrescu
Published in: PRX Quantum, 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

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

Author(s): Jie Peng, Enrique Rico, Jianxin Zhong, Enrique Solano, and Iñigo L. Egusquiza
Published in: Phys. Rev. A, 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

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

Garden optimization problems for benchmarking quantum annealers

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

Digitized adiabatic quantum factorization

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

Repeated quantum error detection in a surface code

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, 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

Author(s): C. Munuera-Javaloy, I. Arrazola, E. Solano, and J. Casanova
Published in: Phys. Rev. B, 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

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, 2, 2021, Page(s) 40348, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.15.034080

Dynamical decoupling methods in nanoscale NMR

Author(s): C. Munuera-Javaloy, R. Puebla, J. Casanova
Published in: Europhysics Letters, 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

Author(s): Feng Hu, Lucas Lamata, Chao Wang, Xi Chen, Enrique Solano, Mikel Sanz
Published in: Phys. Rev. Applied, 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

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

Primary Thermometry of Propagating Microwaves in the Quantum Regime

Author(s): Marco Scigliuzzo, Andreas Bengtsson, Jean-Claude Besse, Andreas Wallraff, Per Delsing, Simone Gasparinetti
Published in: Physical Review X, 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

Author(s): L. Cong, S. Felicetti, J. Casanova, L. Lamata, E. Solano, I. Arrazola
Published in: Phys. Rev. A, 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

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, 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

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, 4, 2022, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.4.013141

Robust Detection of High-Frequency Signals at the Nanoscale

Author(s): Carlos Munuera-Javaloy, Yue Ban, Xi Chen, and Jorge Casanova
Published in: Phys. Rev. Applied, 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

Author(s): Lolur, P.; Rahm, M.; Skogh, M.; Garcia-Alvarez, L.; Wendin, G.
Published in: AIP Conference Proceedings, 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, 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

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