Publications

In Journals:

M. Webber, V. Elfving, S. Weidt and W. K. Hensinger, The Impact of Hardware Specifications on Reaching Quantum Advantage in the Fault Tolerant Regime, AVS Quantum Sci. 4, 013801 (2022)

M. Siegele-Brown, S. Hong, F. R. Lebrun-Gallagher, S. J. Hile, S. Weidt, and W. K. Hensinger, Fabrication of Surface Ion Traps with Integrated Current Carrying Wires enabling High Magnetic Field Gradients, Quantum Sci. Technol. 7, 034003 (2022)

F. R. Lebrun-Gallagher, N. I. Johnson, M. Akhtar, S. Weidt, D. Bretaud, S. J. Hile, A. Owens, F. Bonus and W. K. Hensinger, A Scalable Helium Gas Cooling System for Trapped-Ion Applications, Quantum Sci. Technol. 7, 024002 (2022)

M. Duwe, G. Zarantonello, N. Pulido-Mateo, H. Mendpara, L. Krinner, A. Bautista Salvador, N. V. Vitanov, K. Hammerer, R. F. Werner, and C. Ospelkaus, Numerical Optimization of Amplitude-Modulated Pulses in Microwave-Driven Entanglement Generation, Quantum Sci. Technol. 7, 045005 (2022).

B. T. Torosov and N. V. Vitanov, Experimental demonstration of composite pulses on IBM's quantum computer, Phys. Rev. Appl., in print (2022)

K. N. Zlatanov, A. A. Rangelov and N. V. Vitanov, Extension of the Morris-Shore transformation to arbitrary time-dependent driving fields, J. Phys. B, in print (2022)

Xinxing Yuan, Yue Li, Mengxiang Zhang, Chang Liu, Mingdong Zhu, Xi Qin, Nikolay V. Vitanov, Yiheng Lin, and Jiangfeng Du, Preserving multi-level quantum coherence by dynamical decoupling, Phys. Rev. A 106, 022412(7pp) (2022)

W. K. Hensinger, Quantum Computer Based on Shuttling Trapped Ions, Nature 592, 190-191 (2021)

C. H. Valahu, A. M. Lawrence, S. Weidt, W. K. Hensinger, Robust Entanglement by Continuous Dynamical Decoupling of the J-Coupling Interaction, New. J. Phys 23, 113012 (2021)

T. Dubielzig, S. Halama, H. Hahn, G. Zarantonello, M. Niemann, A. Bautista-Salvador, and C. Ospelkaus, Ultra-Low-Vibration Closed-Cycle Cryogenic Surface-Electrode Ion Trap Apparatus, Rev. Sci. Instr. 92, 043201 (2021).

N. V. Vitanov, Quantum sensing of weak electric and magnetic fields by coherent amplification of energy level shift effects, Phys. Rev. A 103, 063104(9pp) (2021)

B. T. Torosov, B. W. Shore and N. V. Vitanov, Coherent control techniques for two-state quantum systems: A comparative study, Phys. Rev. A 103, 033110(9pp) (2021)

Y. Vaknin, B. Tratzmiller, T. Gefen, I. Schwartz, M. Plenio, A. Retzker, Robustness of the NV-NMR spectrometer setup to magnetic field inhomogeneities, Phys. Rev. Lett. 125, 110502 (2020)

G. T. Genov, M. Hain, N. V. Vitanov, and T. Halfmann, Universal composite pulses for efficient population inversion with an arbitrary excitation profile,Phys. Rev. A 101, 013827 (2020).

P. A. Ivanov and N. V. Vitanov, Two-qubit quantum gate and entanglement protected by circulant symmetry, Scient. Rep. 10, 5030 (2020).

Z. D. Romaszko, S. Hong, M. Siegele, R. K. Puddy, F. R. Lebrun-Gallagher, S. Weidt and W. K. Hensinger, Engineering of Microfabricated Ion Traps and Integration of Advanced On-Chip Features, Nature Rev. Phys. 2, 285-299 (2020)

M. Webber, S. Herbert, S. Weidt and W. Hensinger, Efficient Qubit Routing for a Globally Connected Trapped Ion Quantum Computer, Adv. Quant. Tech. 3, 2000027 (2020)

B. T. Torosov, M. Drewsen and N. V. Vitanov, Chiral resolution by composite Raman pulses, Phys. Rev. Res. 2, 043235(8pp) (2020)

B. T. Torosov and N. V. Vitanov, High-fidelity composite quantum gates for Raman qubits, Phys. Rev. Res. 2, 043194(6pp) (2020)

R. Grimaudo, H. Nakazato, A. Messina and N. V. Vitanov, Dzyaloshinskii-Moriya and dipole-dipole interaction affect coupling-based Landau-Majorana-Stueckelberg-Zener transitions, Phys. Rev. Res. 2, 033092(9pp) (2020)

B. T. Torosov, S. S. Ivanov and N. V. Vitanov, Narrowband and passband composite pulses for variable rotations, Phys. Rev. A 102, 013105(6pp) (2020)

B. T. Torosov, M. Drewsen and N. V. Vitanov, Efficient and robust chiral resolution by composite pulses, Phys. Rev. A 101, 063401(7pp) (2020)

G.T. Genov, Y. Ben-Shalom, F. Jelezko, A. Retzker, N. Bar-Gill, Efficient and robust signal sensing by sequences of adiabatic chirped pulses, Phys. Rev. Research 2, 033216 (2020)

N. Aharon, I. Schwartz, and A. Retzker,
Quantum control and sensing of nuclear spins by electron spins under power limitations, Phys. Rev. Lett. 122, 120403 (2019).​
 
A. Bautista-Salvador, G. Zarantonello, H. Hahn, A. Preciado-Grijalva, J. Morgner, M. Wahnschaffe, and C. Ospelkaus,
Multilayer ion trap technology for scalable quantum computing and quantum simulation, New J. Phys. 21, 043011 (2019).
 
K. Bergmann, H.-C. Nägerl, C. Panda, G. Gabrielse, E. Miloglyadov, M. Quack, G. Seyfang, G. Wichmann, S. Ospelkaus, A. Kuhn, S. Longhi, A. Szameit, P. Pirro, B. Hillebrands, X.-F. Zhu, J. Zhu, M. Drewsen, W. K. Hensinger, S. Weidt, T. Halfmann, H. Wang, G. S. Paraoanu, N. V. Vitanov, J. Mompart, Th. Busch, T. J. Barnum, D. D. Grimes, R. W. Field, M. G. Raizen, E. Narevicius, M. Auzinsh, D. Budker, A. Pálffy, and C. H. Keitel, Roadmap on STIRAP applications, J. Phys. B: At. Mol. Opt. Phys. 52, 202001 (2019).
 
G. T. Genov, N. Aharon, F. Jelezko, and A. Retzker,
Mixed dynamical decoupling, Quantum Sci. Technol. 4, 035010 (2019).
 
R. Grimaudo, N. V. Vitanov, and A. Messina,
Coupling-assisted Landau-Majorana-Stueckelberg-Zener transition in two interacting-qubit systems, Phys. Rev. B 99, 174416 (2019).
 
R. Grimaudo, N. V. Vitanov, and A. Messina,
Landau-Majorana-Stueckelberg-Zener dynamics driven by coupling for two interacting qutrit systems, Phys. Rev. B 99, 214406 (2019).
 
H. Hahn, G. Zarantonello, A. Bautista-Salvador, M. Wahnschaffe, M. Kohnen, J. Schoebel, P. O. Schmidt, and C. Ospelkaus,
Multilayer ion trap with 3-dimensional microwave circuitry for scalable quantum logic applications, Appl. Phys. B 125, 154 (2019).
On arXiv.com:
 
M. Akhtar, F. Bonus, F. R. Lebrun-Gallagher, N. I. Johnson, M. Siegele-Brown, S. Hong, S. J. Hile, S. A. Kulmiya, S. Weidt and W. K. Hensinger, A High-Fidelity Quantum Matter-Link Between Ion-Trap Microchip Modules,
arXiv:2203.14062 [quant-ph] (2022)


C. Valahu, I. Apostolatos, S. Weidt, and W.K. Hensinger, Quantum Control Methods for Robust Entanglement of Trapped Ions,
arXiv:2206.06064 [quant-ph] (2022), accepted for publication in J. Physics B


S. Halama, T. Dubielzig, N. Orlowski, C. Torkzaban, and C. Ospelkaus, Real-Time Capable CCD-Based Individual Trapped-Ion Qubit Measurement,
arXiv:2204.09112 [Quant-Ph] (2022).


P. Barthel, P.H. Huber, J. Casanova, I. Arrazola, D. Niroomand, T. Sriarunothai and C. Wunderlich, Robust Two-Qubit Gates Using Pulsed Dynamical Decoupling,
arXiv:2208.00187 (2022).


P. Huber, J. Haber, P. Barthel, J.J. García-Ripoll, E. Torrontegui, and C. Wunderlich, Realization of a quantum perceptron gate with trapped ions,
arXiv preprint arXiv:2111.08977 (2021).


C. Spee, H. Siebeneich, T. F. Gloger, P. Kaufmann, M. Johanning, Ch. Wunderlich, M. Kleinmann, and O. Gühne, Genuine temporal correlations can certify the quantum dimension, 
arXiv:1811.12259 (2018).


G. T. Genov, Y. Ben-Shalom, F. Jelezko, A. Retzker, and N. Bar-Gill, Efficient and robust signal sensing by sequences of adiabatic chirped pulses, 
arXiv:1910.01253.


Z. D. Romaszko, S. Hong, M. Siegele, R. K. Puddy, F. R. Lebrun-Gallagher, S. Weidt, and W. K. Hensinger, Engineering of Microfabricated Ion Traps and Integration of Advanced On-Chip Features, 
arXiv:1908.00267.


M. Webber, S. Herbert, S. Weidt, and W. K. Hensinger, Efficient Qubit Routing for a Globally Connected Trapped Ion Quantum Computer, 
arXiv:2002.12782.


B. T. Torosov and N. V. Vitanov, High-fidelity composite quantum gates for Raman qubits, 
arXiv:2004.12810.


B. T. Torosov, M. Drewsen, and N. V. Vitanov, Efficient and robust chiral resolution by composite pulses, 
arXiv:2001.10871.


B. T. Torosov, S. S. Ivanov, and N. V. Vitanov, Narrowband and passband composite pulses for variable rotations, 
arXiv:2004.08456.


Y. Vaknin, B. Tratzmiller, T. Gefen, I. Schwartz, M. Plenio, and A. Retzker, On the robustness of the NV-NMR spectrometer setup to magnetic field inhomogeneities, 
arXiv:2002.10852.


B. T. Torosov and N. V. Vitanov, Fast high-fidelity composite gates in superconducting qubits: Beating the Fourier leakage limit,
arXiv:2205.04155 [quant-ph]


S. S. Ivanov, B. T. Torosov and N. V. Vitanov, High-fidelity quantum control by polychromatic pulse trains,
arXiv:2204.02147 [quant-ph]


S. G. Stanchev and N. V. Vitanov, Coherent interaction of multistate quantum systems possessing the Majorana and Morris-Shore dynamic symmetries with pulse trains, arXiv:2206.09154 [quant-ph]

R. G. Unanyan, N. V. Vitanov and M. Fleischhauer, Controlled quantized adiabatic transport in a superlattice Wannier-Stark ladder,
arXiv:2208.10952 [quant-ph]


B. T. Torosov, N. V. Vitanov, Narrowband composite two-qubit phase gates,
arXiv:2206.14283 [quant-ph]
Patents:
 
I. Boldin, Ch. Wunderlich, German Patent and Trade Mark Office (DPMA) PA 006-19 / 5738 Einstellbares Quasi-Statisches Magnetfeld (Adjustable quasi-static magnetic field) (2021)

A. Bautista-Salvador, C. Ospelkaus, M. Wahnschaffe, and J. Morgner,
Verfahren zum Herstellen einer Atomfalle sowie Atomfalle,
DE 10 2018 111 220.3 (2019).
https://register.dpma.de/DPMAregister/pat/register?AKZ=1020181112203

LUH, DE102018111220

LUH, EP3791408

LUH, US11264220B2