Leibniz Universität Hannover Faculty Faculty of Mathematics and Physics
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Institute of Quantum Optics
 
Institute of Quantum Optics Research Groups Trapped-Ion Quantum Engineering
Publications

Publications of the Trapped-Ion Quantum Engineering Research Group

Here you can find publications related to our surface-electrode traps, microwave quantum logic and the (anti-)proton experiment.

All Publications: Trapped-Ion Quantum Engineering

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Article

  • J. A. Devlin, M. J. Borchert, S. Erlewein, M. Fleck, J. A. Harrington, B. Latacz, J. Warncke, E. Wursten, M. A. Bohman, A. H. Mooser, C. Smorra, M. Wiesinger, C. Will, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer (2021): Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap,  Phys. Rev. Lett. 126, 041301 (2021)
    DOI: 10.1103/PhysRevLett.126.041301
  • J. M. Cornejo, R. Lehnert, M. Niemann, J. Mielke, T. Meiners, A. Bautista-Salvador, M. Schulte, D. Nitzschke, M. J. Borchert, K. Hammerer, S. Ulmer, and C. Ospelkaus (2021): Quantum logic inspired techniques for spacetime-symmetry tests with (anti-)protons,  Accepted for publication in New Journal of Physics
    DOI: 10.1088/1367-2630/ac136e
    arXiv: 2106.06252
  • J. Mielke, J. Pick, J. A. Coenders, T. Meiners, M. Niemann, J. M. Cornejo, S. Ulmer, and C. Ospelkaus (2021): 139 GHz UV phase-locked Raman laser system for thermometry and sideband cooling of 9Be+ ions in a Penning trap
    arXiv: 2106.13532
  • U. Tanaka, M. Nakamura, K. Hayasaka, A. Bautista-Salvador, C. Ospelkaus and T. E. Mehlstäubler (2021): Creation of double-well potentials in a surface-electrode trap towards a nanofriction model emulator,  Quantum Sci. Technol. 6, 024010
    DOI: 10.1088/2058-9565/abe51a
  • D. Nitzschke, M. Schulte, M. Niemann, J. M. Cornejo, S. Ulmer, R. Lehnert, C. Ospelkaus, and K. Hammerer (2020): Elementary Laser‐Less Quantum Logic Operations with (Anti‐)Protons in Penning Traps,  Adv. Quantum Technol. 3, 1900133 (2020)
    DOI: 10.1002/qute.201900133
  • M. Raghunandan, F. Wolf, C. Ospelkaus, P. O. Schmidt, and H. Weimer (2020): Initialization of quantum simulators by sympathetic cooling,  Sci. Adv. 6, eaaw9268 (2020)
    DOI: 10.1126/sciadv.aaw9268
  • A. Bautista-Salvador, G. Zarantonello, H. Hahn, A. Preciado-Grijalva, J. Morgner, M. Wahnschaffe, and C. Ospelkaus (2019): Multilayer ion trap technology for scalable quantum computing and quantum simulation,  New J. Phys. 21, 043011 (2019)
    DOI: 10.1088/1367-2630/ab0e46
  • A.-G. Paschke, G. Zarantonello, H. Hahn, T. Lang, C. Manzoni, M. Marangoni, G. Cerullo, U. Morgner, and C. Ospelkaus (2019): Versatile Control of 9Be+ Ions Using a Spectrally Tailored UV Frequency Comb,  Phys. Rev. Lett. 122, 123606 (2019)
    DOI: 10.1103/PhysRevLett.122.123606
  • C. Smorra, Y. V. Stadnik, P. E. Blessing, M. Bohman, M. J. Borchert, J. A. Devlin, S. Erlewein, J. A. Harrington, T. Higuchi, A. Mooser, G. Schneider, M. Wiesinger, E. Wursten, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, D. Budker, and S. Ulmer (2019): Direct limits on the interaction of antiprotons with axion-like dark matter,  Nature 575, 310 (2019)
    DOI: 10.1038/s41586-019-1727-9
  • D. Nitzschke, M. Schulte, M. Niemann, J. M. Cornejo, S. Ulmer, R. Lehnert, C. Ospelkaus, and K. Hammerer (2019): Elementary laser-less quantum logic operations with (anti-)protons in Penning traps
    arXiv: 1912.02046
  • G. Zarantonello, H. Hahn, J. Morgner, M. Schulte, A. Bautista-Salvador, R. F. Werner, K. Hammerer, and C. Ospelkaus (2019): Robust and resource-efficient microwave near-field entangling 9Be+ gate,  Phys. Rev. Lett. 123, 260503 (2019)
    DOI: 10.1103/PhysRevLett.123.260503
  • H. Hahn, G. Zarantonello, A. Bautista-Salvador, M. Wahnschaffe, M. Kohnen, J. Schoebel, P. O. Schmidt, and C. Ospelkaus (2019): Multilayer ion trap with 3-dimensional microwave circuitry for scalable quantum logic applications,  Appl. Phys. B 125, 154 (2019)
    DOI: 10.1007/s00340-019-7265-1
  • H. Hahn, G. Zarantonello, M. Schulte, A. Bautista-Salvador, K. Hammerer, C. Ospelkaus (2019): Integrated 9Be+ multi-qubit gate device for the ion-trap quantum computer,  npj Quantum Inf. 5, 1-5 (2019)
    DOI: 10.1038/s41534-019-0184-5
  • J. A. Devlin, E. Wursten, J. A. Harrington, T. Higuchi, P. E. Blessing, M. J. Borchert, S. Erlewein, J. J. Hansen, J. Morgner, M. A. Bohman, A. H. Mooser, C. Smorra, M. Wiesinger, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer (2019): Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton,  Phys. Rev. Appl. 12, 044012 (2019)
    DOI: 10.1103/PhysRevApplied.12.044012
  • M. J. Borchert, P. E. Blessing, J. A. Devlin, J. A. Harrington, T. Higuchi, J. Morgner, C. Smorra, E. Wursten, M. Bohman, M. Wiesinger, A. Mooser, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer (2019): Measurement of Ultralow Heating Rates of a Single Antiproton in a Cryogenic Penning Trap,  Phys. Rev. Lett. 122, 043201 (2019)
    DOI: 10.1103/PhysRevLett.122.043201
  • M. Niemann, T. Meiners, J. Mielke, M. J. Borchert, J. M. Cornejo, S. Ulmer, and C. Ospelkaus (2019): Cryogenic 9Be+ Penning trap for precision measurements with (anti-)protons,  Meas. Sci. Technol. 31, 035003 (2019)
    DOI: 10.1088/1361-6501/ab5722
  • T. Leopold, S. A. King, P. Micke, A. Bautista-Salvador, J. C. Heip, C. Ospelkaus, J. R. Crespo López-Urrutia, P. O. Schmidt (2019): A cryogenic radio-frequency ion trap for quantum logic spectroscopy of highly charged ions,  Rev. Sci. Instrum 90, 073201 (2019)
    DOI: 10.1063/1.5100594
  • S. Hannig, J. Mielke, J. A. Fenske, M. Misera, N. Beev, C. Ospelkaus, and P. O. Schmidt (2018): A highly stable monolithic enhancement cavity for second harmonic generation in the ultraviolet,  Review of Scientific Instruments 89, 013106 (2018)
    DOI: 10.1063/1.5005515
  • C. Smorra, A. Mooser, M. Besirli, M. Bohman, M. J. Borchert, J. Harrington, T. Higuchi, H. Nagahama, G. L. Schneider, S. Sellner, T. Tanaka, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, S. Ulmer (2017): Observation of individual spin quantum transitions of a single antiproton,  Physics Letters B 769, 1 (2017)
    DOI: 10.1016/j.physletb.2017.03.024
  • C. Smorra, S. Sellner, M. J. Borchert, J. A. Harrington, T. Higuchi, H. Nagahama, T. Tanaka, A. Mooser, G. Schneider, M. Bohman, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki & S. Ulmer (2017): A parts-per-billion measurement of the antiproton magnetic moment,  Nature 550, 371–374 (2017)
    DOI: 10.1038/nature24048
  • H. Nagahama, C. Smorra, S. Sellner, J. Harrington, T. Higuchi, M. J. Borchert, T. Tanaka, M. Besirli, A. Mooser, G. Schneider, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki & S. Ulmer (2017): Sixfold improved single particle measurement of the magnetic moment of the antiproton,  Nature Communications 8, 14084 (2017)
    DOI: 10.1038/ncomms14084
  • M. Wahnschaffe, H. Hahn, G. Zarantonello, T. Dubielzig, S. Grondkowski, A. Bautista-Salvador, M. Kohnen, and C. Ospelkaus (2017): Single-ion microwave near-field quantum sensor,  Applied Physics Letters 110, 034103 (2017)
    DOI: 10.1063/1.4974736
  • S. Sellner, M. Besirli, M. Bohman, M. J. Borchert, J. Harrington, T. Higuchi, A. Mooser, H. Nagahama, G. Schneider, C. Smorra, T. Tanaka, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki and S. Ulmer (2017): Improved limit on the directly measured antiproton lifetime,  New Journal of Physics 19, 083023 (2017)
    DOI: 10.1088/1367-2630/aa7e73
  • H. Nagahama, G. Schneider, A. Mooser, C. Smorra, S. Sellner, J. Harrington, T. Higuchi, M. Borchert, T. Tanaka, M. Besirli, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer (2016): Highly sensitive superconducting circuits at ∼700 kHz with tunable quality factors for image-current detection of single trapped antiprotons,  Review of Scientific Instruments 87, 113305 (2016)
    DOI: 10.1063/1.4967493
  • J. M. Cornejo, M. J. Gutiérrez, E. Ruiz, A. Bautista-Salvador, C. Ospelkaus, S. Stahl, D. Rodríguez (2016): An optimized geometry for a micro Penning-trap mass spectrometer based on interconnected ions,  International Journal of Mass Spectrometry 410, 22 (2016)
    DOI: 10.1016/j.ijms.2016.10.010
  • C. Smorra, K. Blaum, L. Bojtar, M. Borchert, K. A. Franke, T. Higuchi, N. Leefer, H. Nagahama , Y. Matsuda, A. Mooser, M. Niemann, C. Ospelkaus, W. Quint, G. Schneider, S. Sellner, T. Tanaka, S. Van Gorp, J. Walz, Y. Yamazaki, and S. Ulmer (2015): BASE – The Baryon Antibaryon Symmetry Experiment,  The European Physical Journal Special Topics 224, 3055 (2015)
    DOI: 10.1140/epjst/e2015-02607-4
  • C. Ospelkaus, U. Warring, Y. Colombe (2014): Qubits in der Mikrowelle,  Physik in unserer Zeit 45, 72 (2014)
    DOI: 10.1002/piuz.201301358
  • C. Smorra, K. Blaum, K. Franke, Y. Matsuda, A. Mooser, H. Nagahama, C. Ospelkaus, W. Quint, G. Schneider, S. Van Gorp, J. Walz, Y. Yamazaki, S. Ulmer (2014): Towards a high-precision measurement of the antiproton magnetic moment,  Hyperfine Interactions 228, 31 (2014)
    DOI: 10.1007/s10751-014-1018-7
  • S. Ulmer, A. Mooser, K. Blaum, S. Braeuninger, K. Franke, H. Kracke, C. Leiteritz, Y. Matsuda, H. Nagahama, C. Ospelkaus, C. C. Rodegheri, W. Quint, G. Schneider, C. Smorra, S. Van Gorp, J. Walz, and Y. Yamazaki (2014): The magnetic moments of the proton and the antiproton,  Journal of Physics: Conference Series 488, 012033 (2014)
    DOI: 10.1088/1742-6596/488/1/012033
  • M. Carsjens, M. Kohnen, T. Dubielzig, and C. Ospelkaus (2013): Surface-electrode Paul trap with optimized near-field microwave control,  Applied Physics B 114, 243 (2013)
    DOI: 10.1007/s00340-013-5689-6
  • U. Warring, C. Ospelkaus, Y. Colombe, K. R. Brown, J. M. Amini, M. Carsjens, D. Leibfried, and D. J. Wineland (2013): Techniques for microwave near-field quantum control of trapped ions,  Physical Review A 87, 013437 (2013)
    DOI: 10.1103/PhysRevA.87.013437
  • U. Warring, C. Ospelkaus, Y. Colombe, R. Jördens, D. Leibfried, and D. J. Wineland (2013): Individual-Ion Addressing with Microwave Field Gradients,  Physical Review Letters 110, 173002 (2013)
    DOI: 10.1103/PhysRevLett.110.173002
  • A.C. Wilson, C. Ospelkaus, A.P. VanDevender, J.A. Mlynek, K.R. Brown, D. Leibfried, and D.J. Wineland (2011): A 750-mW, continuous-wave, solid-state laser source at 313 nm for cooling and manipulating trapped 9Be+ ions,  Applied Physics B 105, 741 (2011) More info
  • C. Ospelkaus, U. Warring, Y. Colombe, K. R. Brown, J. M. Amini, D. Leibfried, D. J. Wineland (2011): Microwave quantum logic gates for trapped ions,  Nature 476, 181 (2011) | File | More info
  • K. R. Brown, A. C. Wilson, Y. Colombe, C. Ospelkaus, A. M. Meier, E. Knill, D. Leibfried, D. J. Wineland (2011): Single-qubit gate error below 10-4 in a trapped ion,  Phys. Rev. A 84, 030303 (2011) | File | More info
  • K. R. Brown, C. Ospelkaus, Y. Colombe, A. C. Wilson, D. Leibfried, D. J. Wineland (2011): Coupled quantized mechanical oscillators,  Nature 471, 196 (2011) | File | More info
  • R. B. Blakestad, C. Ospelkaus, A. P. VanDevender, J. H. Wesenberg, M. J. Biercuk, D. Leibfried, and D. J. Wineland (2011): Near-ground-state transport of trapped-ion qubits through a multidimensional array,  Phys. Rev. A 84, 032314 (2011) | File | More info
  • H. Uys, M. J. Biercuk, A. P. VanDevender, C. Ospelkaus, D. Meiser, R. Ozeri, J. J. Bollinger (2010): Decoherence due to Elastic Rayleigh Scattering,  Physical Review Letters 105, 200401 (2010) | File | More info
  • J. M. Amini, H. Uys, J. H. Wesenberg, S. Seidelin, J. Britton, J. J. Bollinger, D. Leibfried, C. Ospelkaus, A. P. VanDevender, D. J. Wineland (2010): Towards scalable ion traps for quantum information processing,  New Journal of Physics 12, 033031 (2010) | File | More info
  • D. R. Leibrandt, J. Labaziewicz, R. J. Clark, I. L. Chuang, R. J. Epstein, C. Ospelkaus, J. H. Wesenberg, J. J. Bollinger, D. Leibfried, D. J. Wineland, D. Stick, J. Sterk, C. Monroe, C.-S. Pai, Y. Low, R. Frahm, R. E. Slusher (2009): Demonstration of a scalable, multiplexed ion trap for quantum information processing,  Quantum Information & Computation 11 & 12, 0901 (2009) | File | More info
  • R. B. Blakestad, C. Ospelkaus, A. P. VanDevender, J. M. Amini, J. Britton, D. Leibfried, D. J. Wineland (2009): High-Fidelity Transport of Trapped-Ion Qubits through an X-Junction Trap Array,  Physical Review Letters 102, 153002 (2009) | File | More info
  • C. Ospelkaus, C. E. Langer, J. M. Amini, K. R. Brown, D. Leibfried, D. J. Wineland (2008): Trapped-Ion Quantum Logic Gates Based on Oscillating Magnetic Fields,  Physical Review Letters 101, 090502 (2008) | File | More info
  • C. Ospelkaus, S. Ospelkaus (2008): Heteronuclear quantum gas mixtures,  Journal of Physics B: Atomic, Molecular and Optical Physics 41, 203001 (2008) | File | More info
  • F. Deuretzbacher, K. Plassmeier, D. Pfannkuche, F. Werner, C. Ospelkaus, S. Ospelkaus, K. Sengstock, K. Bongs (2008): Heteronuclear molecules in an optical lattice: Theory and experiment,  Physical Review A 77, 032726 | File | More info
  • M. Cramer, S. Ospelkaus, C. Ospelkaus, K. Bongs, K. Sengstock, J. Eisert (2008): Do Mixtures of Bosonic and Fermionic Atoms Adiabatically Heat Up in Optical Lattices?,  Physical Review Letters 100, 140409 (2008) | File | More info
  • D. Leibfried, E. Knill, C. Ospelkaus, D. J. Wineland (2007): Transport quantum logic gates for trapped ions,  Physical Review A 76, 032324 (2007) | File | More info
  • S. Ospelkaus, C. Ospelkausa, R. Dinter, J. Fuchs, M. Nakat, K. Sengstock, K. Bongs (2007): Degenerate K–Rb Fermi–Bose gas mixtures with large particle numbers,  Journal of Modern Optics 54, 661 (2007) More info
  • C. Ospelkaus, S. Ospelkaus, K. Sengstock, K. Bongs (2006): Interaction-Driven Dynamics of 40K-87Rb Fermion-Boson Gas Mixtures in the Large-Particle-Number Limit,  Physical Review Letters 96, 020401 (2006) | File | More info
  • C. Ospelkaus, S. Ospelkaus, L. Humbert, P. Ernst, K. Sengstock, K. Bongs (2006): Ultracold Heteronuclear Molecules in a 3D Optical Lattice,  Physical Review Letters 97, 120402 (2006) | File | More info
  • S. Ospelkaus, C. Ospelkaus, L. Humbert, K. Sengstock, K. Bongs (2006): Tuning of Heteronuclear Interactions in a Degenerate Fermi-Bose Mixture,  Physical Review Letters 97, 120403 (2006) | File | More info
  • S. Ospelkaus, C. Ospelkaus, O. Wille, M. Succo, P. Ernst, K. Sengstock, K. Bongs (2006): Localization of Bosonic Atoms by Fermionic Impurities in a Three-Dimensional Optical Lattice,  Physical Review Letters 96, 180403 (2006) | File | More info
  • C. Ospelkaus, U. Rasbach, A. Weis (2003): Measurement of the forbidden tensor polarizability of Cs using an all-optical Ramsey resonance technique,  Physical Review A 67, 011402(R) (2003) | File | More info

Proceeding

  • T. Meiners, M. Niemann, J. Mielke, M. Borchert, N. Pulido, J.M. Cornejo, S. Ulmer, and C. Ospelkaus (2018): Towards sympathetic cooling of single (anti-)protons,  Hyperfine Interactions 239, 26 (2018)
    DOI: 10.1007/s10751-018-1502-6
  • T. Meiners, M. Niemann, A.-G. Paschke, J. Mielke, A. Idel, K. Voges, M. Borchert, A. Bautista-Salvador, S. Ulmer, C. Ospelkaus (2017): Towards Quantum Logic Inspired Cooling and Detection for Single (Anti-)Protons,  JPS Conf. Proc. 18, 011006 (2017)
    DOI: 10.7566/JPSCP.18.011006
  • T. Meiners, M. Niemann, A.-G. Paschke, M. Borchert, A. Idel, J. Mielke, K. Voges, A. Bautista-Salvador, R. Lehnert, S. Ulmer, and C. Ospelkaus (2016): Towards Sympathetic Laser Cooling and Detection of Single (Anti-)Protons,  Seventh Meeting on CPT and Lorentz Symmetry (CPT’16)
    DOI: 10.1142/10250

PhD Thesis

  • H. Hahn (2019): Two-qubit microwave quantum logic gate with 9Be+ ions in scalable surface-electrode ion traps,  Dissertation, Leibniz Universität Hannover More info
  • M. Niemann (2019): Design and commissioning of an experiment for sympathetic cooling and coupling of ions in a cryogenic Penning trap,  Dissertation, Leibniz Universität Hannover More info
  • A.-G. Paschke (2017): 9Be+ ion qubit control using an optical frequency comb,  Dissertation, Leibniz Universität Hannover More info
  • M. Wahnschaffe (2016): Engineered microwave control for trapped ions,  Dissertation, Leibniz Universität Hannover More info
  • C. Ospelkaus (2006): Fermi-Bose mixtures - From mean-field interactions to ultracold chemistry,  Dissertation, Universität Hamburg | File | More info

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