Microwave driven ion trap quantum computing

Deliverables

Dressed-state implementation of quantum algorithms

Dressedstate implementation of quantum algorithms

Roadmap for a large scale microwave ion trap quantum computer
Report on optimized dynamical decoupling and error correction schemes
Report on eliminating drift of addressing frequency of individual qubits
Microwave near-field simulations, analysis of cross-talk, simulations for trapping potentials, fabricated sample structures

Microwave nearfield simulations analysis of crosstalk simulations fortrapping potentials fabricated sample structures

Report on composite implementations of conditional quantum gates
Report on error budget for optimized dressed state coherence time
Midterm project report, incl. report on dissemination
Established error budget vs temperature and trap parameters
Final project report, incl. report on dissemination

Final project report incl report on dissemination

Report on fast, high-fidelity gates in multi-qubit registers based on spin- spin coupling, static- and oscillating-gradient induced sidebands

Report on fast highfidelity gates in multiqubit registers based on spinspin coupling static and oscillatinggradient induced sidebands

Regular progress meetings (a:M1, b:M9, c:M18, d:M27, e:M33)

Regular progress meetings (a:M1, b:M9, c:M18, d:M27, e:M36, f: 45)

Project website and logo

Publications

Realization of a quantum perceptron gate with trapped ions

Author(s): P. Huber, J. Haber, P. Barthel, J. J. García-Ripoll, E. Torrontegui, C. Wunderlich
Published in: arXiv, Issue 2111.08977, 2021
Publisher: arXiv
DOI: 10.48550/arxiv.2111.08977

Quantum control methods for robust entanglement of trapped ions

Author(s): Christophe H. Valahu, Iason Apostolatos, Sebastian Weidt, Winfried K. Hensinger
Published in: arXiv, Issue 2206.06064, 2022, Page(s) 2206.06064
Publisher: Cornell University
DOI: 10.48550/arxiv.2206.06064

High-fidelity quantum control by polychromatic pulse trains

Author(s): Svetoslav S. Ivanov, Boyan T. Torosov, Nikolay V. Vitanov
Published in: arXiv, Issue 2204.02147, 2022, Page(s) 2204.02147
Publisher: Cornell University
DOI: 10.48550/arxiv.2204.02147

Robust Two-Qubit Gates Using Pulsed Dynamical Decoupling

Author(s): Patrick Barthel, Patrick H. Huber, Jorge Casanova, Iñigo Arrazola, Dorna Niroomand, Theeraphot Sriarunothai, Martin B. Plenio, Christof Wunderlich
Published in: arXiv, Issue 2208.00187, 2022, Page(s) 2208.00187
Publisher: Cornell University
DOI: 10.48550/arxiv.2208.00187

Narrowband composite two-qubit phase gates

Author(s): Boyan T. Torosov, Nikolay V. Vitanov
Published in: arXiv, 2022, Page(s) 2206.14283
Publisher: Cornell University
DOI: 10.48550/arxiv.2206.14283

Experimental demonstration of composite pulses on IBM's quantum computer

Author(s): Boyan T. Torosov, Nikolay V. Vitanov
Published in: arXiv, Issue 2202.09647, 2022, Page(s) 2202.09647
Publisher: Cornell University
DOI: 10.48550/arxiv.2202.09647

Coherent interaction of multistate quantum systems possessing the Majorana and Morris-Shore dynamic symmetries with pulse trains

Author(s): Stancho G. Stanchev, Nikolay V. Vitanov
Published in: arXiv, Issue 2206.09154, 2022, Page(s) 2206.09154
Publisher: Cornell University
DOI: 10.48550/arxiv.2206.09154

Controlled Quantized Adiabatic Transport in a superlattice Wannier-Stark ladder

Author(s): R. G. Unanyan, N. V. Vitanov, M. Fleischhauer
Published in: arXiv, Issue 2208.10952, 2022, Page(s) 2208.10952
Publisher: Cornell University
DOI: 10.48550/arxiv.2208.10952

Genuine temporal correlations can certify the quantum dimension

Author(s): Cornelia Spee, Hendrik Siebeneich, Timm Florian Gloger, Peter Kaufmann,Michael Johanning, Christof Wunderlich, Matthias Kleinmann, and Otfried Gühne
Published in: arXiv, 2018, Page(s) 1811.12259v1
Publisher: Cornell University

A high-fidelity quantum matter-link between ion-trap microchip modules

Author(s): M. Akhtar, F. Bonus, F. R. Lebrun-Gallagher, N. I. Johnson, M. Siegele-Brown, S. Hong, S. J. Hile, S. A. Kulmiya, S. Weidt, W. K. Hensinger
Published in: arXiv, Issue 2203.14062, 2022, Page(s) 2203.14062
Publisher: Cornell University
DOI: 10.48550/arxiv.2203.14062

Real-time capable CCD-based individual trapped-ion qubit measurement

Author(s): S. Halama, T. Dubielzig, N. Orlowski, C. Torkzaban, C. Ospelkaus
Published in: arXiv, Issue 2204.09112, 2022, Page(s) 2204.09112
Publisher: Cornell University
DOI: 10.48550/arxiv.2204.09112

Fast high-fidelity composite gates in superconducting qubits: Beating the Fourier leakage limit

Author(s): Boyan T. Torosov, Nikolay V. Vitanov
Published in: arXiv, Issue 2205.04155, 2022, Page(s) 2205.04155
Publisher: Cornell University
DOI: 10.48550/arxiv.2205.04155

Extension of the Morris-Shore transformation to arbitrary time-dependent driving fields

Author(s): K. N. Zlatanov, A. A. Rangelov, N. V. Vitanov
Published in: arXiv, Issue 2206.03783, 2022, Page(s) 2206.03783
Publisher: Cornell University
DOI: 10.48550/arxiv.2206.03783

Chiral resolution by composite Raman pulses

Author(s): Boyan T. Torosov; Michael Drewsen; Nikolay V. Vitanov
Published in: Physical Review Research, Issue 2, 2020, Page(s) 043235, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.2.043235

Quantum sensing of weak electric and magnetic fields by coherent amplification of energy-level-shift effects

Author(s): Nikolay V. Vitanov
Published in: Physical Review A, Issue 103, 2021, Page(s) 063104, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.103.063104

The Impact of Hardware Specifications on Reaching Quantum Advantage in the Fault Tolerant Regime

Author(s): Vincent Elfving; Winfried Hensinger; Sebastian Weidt; Mark Webber
Published in: AVS Quantum Science, Issue 4, 2022, Page(s) 013801, ISSN 2639-0213
Publisher: AIP
DOI: 10.1116/5.0073075

Efficient Qubit Routing for a Globally Connected Trapped Ion Quantum Computer

Author(s): Mark Webber, Steven Herbert, Sebastian Weidt, Winfried K. Hensinger
Published in: Advanced Quantum Technologies, Issue 3, 2020, Page(s) 2000027, ISSN 2511-9044
Publisher: Wiley
DOI: 10.1002/qute.202000027

Narrowband and passband composite pulses for variable rotations

Author(s): Boyan T. Torosov; Svetoslav S. Ivanov; Nikolay V. Vitanov
Published in: Physical Review A, Issue 102, 2020, Page(s) 013105, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.102.013105

Open multistate Majorana model

Author(s): Benedetto Militello; Nikolay V. Vitanov
Published in: Physica Letters A, Issue 384, 2019, Page(s) 126196, ISSN 0375-9601
Publisher: Elsevier BV
DOI: 10.1016/j.physleta.2019.126196

Ultra-low-vibration closed-cycle cryogenic surface-electrode ion trap apparatus

Author(s): T. Dubielzig, S. Halama, H. Hahn, G. Zarantonello, M. Niemann, A. Bautista-Salvador, C. Ospelkaus
Published in: Review of Scientific Instruments, 2021, Page(s) 043201, ISSN 0034-6748
Publisher: American Institute of Physics
DOI: 10.1063/5.0024423

Fabrication of Surface Ion Traps with Integrated Current Carrying Wires enabling High Magnetic Field Gradients

Author(s): Martin Siegele-Brown, Seokjun Hong, Foni R. Lebrun-Gallagher, Samuel J. Hile, Sebastian Weidt, Winfried K. Hensinger
Published in: Quantum Science and Technology, Issue 7, 2022, Page(s) 034003, ISSN 2058-9565
Publisher: IOP
DOI: 10.1088/2058-9565/ac66fc

Dzyaloshinskii-Moriya and dipole-dipole interactions affect coupling-based Landau-Majorana-Stückelberg-Zener transitions

Author(s): Roberto Grimaudo; Hiromichi Nakazato; Antonino Messina; Nikolay V. Vitanov
Published in: Physical Review Research, Issue 2, 2020, Page(s) 033092, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.2.033092

Composite pulses with errant phases

Author(s): Boyan T. Torosov, Nikolay V. Vitanov
Published in: Physical Review A, Issue 100/2, 2019, Page(s) 013168, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/PhysRevA.100.023410

Multilayer ion trap technology for scalable quantum computing and quantum simulation

Author(s): A Bautista-Salvador, G Zarantonello, H Hahn, A Preciado-Grijalva, J Morgner, M Wahnschaffe, C Ospelkaus
Published in: New Journal of Physics, Issue 21/4, 2019, Page(s) 043011, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ab0e46

Robust and Resource-Efficient Microwave Near-Field Entangling Be +

Author(s): G. Zarantonello, H. Hahn, J. Morgner, M. Schulte, A. Bautista-Salvador, R. F. Werner, K. Hammerer, C. Ospelkaus
Published in: Physical Review Letters, Issue 123/26, 2019, Page(s) 260503, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.123.260503

Integrated 9Be+ multi-qubit gate device for the ion-trap quantum computer

Author(s): H. Hahn, G. Zarantonello, M. Schulte, A. Bautista-Salvador, K. Hammerer, C. Ospelkaus
Published in: npj Quantum Information, Issue 5/1, 2019, Page(s) 70, ISSN 2056-6387
Publisher: Nature
DOI: 10.1038/s41534-019-0184-5

Multilayer ion trap with three-dimensional microwave circuitry for scalable quantum logic applications

Author(s): H. Hahn, G. Zarantonello, A. Bautista-Salvador, M. Wahnschaffe, M. Kohnen, J. Schoebel, P. O. Schmidt, C. Ospelkaus
Published in: Applied Physics B, Issue 125/8, 2019, Page(s) 154, ISSN 0946-2171
Publisher: Springer Verlag
DOI: 10.1007/s00340-019-7265-1

Landau-Majorana-Stückelberg-Zener dynamics driven by coupling for two interacting qutrit systems

Author(s): R. Grimaudo, N. V. Vitanov, A. Messina
Published in: Physical Review B, Issue 99/21, 2019, Page(s) 214406, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.99.214406

Highly Efficient Detection and Separation of Chiral Molecules through Shortcuts to Adiabaticity

Author(s): Nikolay V. Vitanov, Michael Drewsen
Published in: Physical Review Letters, Issue 122/17, 2019, Page(s) 173202, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.122.173202

Coupling-assisted Landau-Majorana-Stückelberg-Zener transition in a system of two interacting spin qubits

Author(s): R. Grimaudo, N. V. Vitanov, A. Messina
Published in: Physical Review B, Issue 99/17, 2019, Page(s) 174416, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.99.174416

Universal composite pulses for efficient population inversion with an arbitrary excitation profile

Author(s): Genko T. Genov, Marcel Hain, Nikolay V. Vitanov, Thomas Halfmann
Published in: Physical Review A, Issue 101/1, 2020, Page(s) 013827, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/physreva.101.013827

Roadmap on STIRAP applications

Author(s): Klaas Bergmann, Hanns-Christoph Nägerl, Cristian Panda, Gerald Gabrielse, Eduard Miloglyadov, Martin Quack, Georg Seyfang, Gunther Wichmann, Silke Ospelkaus, Axel Kuhn, Stefano Longhi, Alexander Szameit, Philipp Pirro, Burkard Hillebrands, Xue-Feng Zhu, Jie Zhu, Michael Drewsen, Winfried K Hensinger, Sebastian Weidt, Thomas Halfmann, Hai-Lin Wang, Gheorghe Sorin Paraoanu, Nikolay V Vitanov, Jordi
Published in: Journal of Physics B: Atomic, Molecular and Optical Physics, Issue 52/20, 2019, Page(s) 202001, ISSN 0953-4075
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6455/ab3995

Two-qubit quantum gate and entanglement protected by circulant symmetry

Author(s): Peter A. Ivanov, Nikolay V. Vitanov
Published in: Scientific Reports, Issue 10/1, 2020, Page(s) 5030, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-020-61766-w

Efficient and robust chiral resolution by composite pulses

Author(s): Boyan T. Torosov, Michael Drewsen, Nikolay V. Vitanov
Published in: Physical Review A, Issue 101, 2020, Page(s) 063401, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.101.063401

Efficient and robust signal sensing by sequences of adiabatic chirped pulses

Author(s): Genko T. Genov, Yachel Ben-Shalom, Fedor Jelezko, Alex Retzker, Nir Bar-Gill
Published in: Physical Review Research, Issue 2, 2019, Page(s) 033216, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.2.033216

Quantum Control and Sensing of Nuclear Spins by Electron Spins under Power Limitations

Author(s): Nati Aharon, Ilai Schwartz, Alex Retzker
Published in: Physical Review Letters, Issue 122/12, 2019, Page(s) 120403, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.122.120403

Mixed dynamical decoupling

Author(s): Genko T Genov, Nati Aharon, Fedor Jelezko, Alex Retzker
Published in: Quantum Science and Technology, Issue 4/3, 2019, Page(s) 035010, ISSN 2058-9565
Publisher: Institute of Physics
DOI: 10.1088/2058-9565/ab2afd

Robustness of the NV-NMR spectrometer setup to magnetic field inhomogeneities

Author(s): Yotam Vaknin, Benedikt Tratzmiller, Tuvia Gefen, Ilai Schwartz, Martin Plenio, Alex Retzker
Published in: Physical Review Letters, Issue 125, 2020, Page(s) 110502, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.110502

Measuring Anomalous Heating in a Planar Ion Trap with Variable Ion-Surface Separation

Author(s): Ivan A. Boldin, Alexander Kraft, Christof Wunderlich
Published in: Physical Review Letters, Issue 120/2, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.120.023201

High-Fidelity Preservation of Quantum Information During Trapped-Ion Transport

Author(s): Peter Kaufmann, Timm F. Gloger, Delia Kaufmann, Michael Johanning, Christof Wunderlich
Published in: Physical Review Letters, Issue 120/1, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.120.010501

Speeding-up the decision making of a learning agent using an ion trap quantum processor

Author(s): Th Sriarunothai, S Wölk, G S Giri, N Friis, V Dunjko, H J Briegel, Ch Wunderlich
Published in: Quantum Science and Technology, Issue 4/1, 2019, Page(s) 015014, ISSN 2058-9565
Publisher: Quantum Sci. Technol. 4 0105014
DOI: 10.1088/2058-9565/aaef5e

High-fidelity composite quantum gates for Raman qubits

Author(s): Boyan T. Torosov, Nikolay V. Vitanov
Published in: Physical Review Research, Issue 2, 2020, Page(s) 043194, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.2.043194

Quantum computer based on shuttling trapped ions

Author(s): Winfried K. Hensinger
Published in: Nature, Issue 592, 2021, Page(s) 190-191, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/d41586-021-00844-z

A scalable helium gas cooling system for trapped-ion applications

Author(s): Lebrun-Gallagher, Foni R.; Johnson, Nicholas; Akhtar, Mariam; Weidt, Sebastian; Bretaud, David; Hile, Samuel J.; Owens, Alexander; Hensinger, Winfried K.
Published in: Quantum Science and Technology, Issue 7, 2022, Page(s) 024002, ISSN 2058-9565
Publisher: IOP
DOI: 10.48550/arxiv.2106.07580

Numerical optimization of amplitude-modulated pulses in microwave-driven entanglement generation

Author(s): M. Duwe, G. Zarantonello, N. Pulido-Mateo, H. Mendpara, L. Krinner, A. Bautista-Salvador, N. V. Vitanov, K. Hammerer, R. F. Werner, C. Ospelkaus
Published in: Quantum Science and Technology, Issue 7, 2022, Page(s) 045005, ISSN 2058-9565
Publisher: IOP
DOI: 10.1088/2058-9565/ac7b41

Engineering of microfabricated ion traps and integration of advanced on-chip features

Author(s): Zak David Romaszko, Seokjun Hong, Martin Siegele, Reuben Kahan Puddy, Foni Raphaël Lebrun-Gallagher, Sebastian Weidt, Winfried Karl Hensinger
Published in: Nature Reviews Physics, Issue 2, 2020, Page(s) 285-299, ISSN 2522-5820
Publisher: Springer
DOI: 10.1038/s42254-020-0182-8

Coherent control techniques for two-state quantum systems: A comparative study

Author(s): Boyan T. Torosov; Bruce W. Shore; Nikolay V. Vitanov
Published in: Physical Review A, Issue 103, 2021, Page(s) 033110, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.103.033110

Preserving multi-level quantum coherence by dynamical decoupling

Author(s): Xinxing Yuan, Yue Li, Mengxiang Zhang, Chang Liu, Mingdong Zhu, Xi Qin, Nikolay V. Vitanov, Yiheng Lin, Jiangfeng Du
Published in: Physical Review A, Issue 106, 2022, Page(s) 02212, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.106.022412

Master-equation approach to the three-state open Majorana model

Author(s): Benedetto Militello; Nikolay V. Vitanov
Published in: Physical Review A, Issue 100, 2019, Page(s) 053407, ISSN 2469-9926
Publisher: APS
DOI: 10.1103/physreva.100.053407

Robust entanglement by continuous dynamical decoupling of the J-coupling interaction

Author(s): C. H. Valahu; A. M. Lawrence; Sebastian Weidt; Winfried K. Hensinger
Published in: New Journal of Physics, Issue 23, 2021, Page(s) 113012, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac320e

Europe’s Quantum Flagship is taking off

Author(s): Max F. Riedel, Immanuel Bloch, Thierry Debuisschert, Frank Wilhelm-Mauch, Valerio Pruneri, Nikolay V. Vitanov, Stephanie Wehner, Tommaso Calarco
Published in: Europhysics News, Issue 49/5-6, 2018, Page(s) 30-34, ISSN 0531-7479
Publisher: European Physical Society
DOI: 10.1051/epn/2018506

Distinguishing between statistical and systematic errors in quantum process tomography

Author(s): Sabine Wölk, Theeraphot Sriarunothai, Gouri S Giri, Christof Wunderlich
Published in: New Journal of Physics, Issue 21/1, 2019, Page(s) 013015, ISSN 1367-2630
Publisher: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aaf5f2

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