Scalable Multilayer Architecture of Assembled Single-Atom Qubit Arrays in a Three-Dimensional Talbot Tweezer Lattice

Schlosser, Malte; Tichelmann, Sascha; Schäffner, Dominik; Mello, Daniel Ohl de; Hambach, Moritz; Schütz, Jan; Birkl, G.

doi:10.1103/physrevlett.130.180601

Cited by 16 publications

(3 citation statements)

References 61 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Here we consider a three-level ladder-type alkali atomic system with two atoms trapped individually in optical tweezers [39][40][41][42]. With finite Rydberg interactions, we numerically investigate the optimized pulses to generate a high-fidelity Rydberg C Z gate in the symmetric gate operation protocol.…”

Section: Introductionmentioning

confidence: 99%

High-fidelity Rydberg controlled-Z gates with optimized pulses

Chang,

Wang,

Jen

et al. 2023

New J. Phys.

View full text Add to dashboard Cite

High-fidelity controlled-Z (CZ ) gates are essential and mandatory to build a large-scale quantum computer. In neutral atoms, the strong dipole–dipole interactions between their Rydberg states make them one of the pioneering platforms to implement CZ gates. Here we numerically investigate the optimized pulses to generate a high-fidelity Rydberg C Z gate in a three-level ladder-type atomic system. By tuning the temporal shapes of Gaussian or segmented pulses, the populations on the intermediate excited states are shown to be suppressed within the symmetric gate operation protocol, which leads to a C Z gate with a high Bell fidelity up to 99.92 % . These optimized pulses are robust to thermal fluctuations and the excitation field variations. Our results promise a high-fidelity and fast gate operation under amenable and controllable experimental parameters, which goes beyond the adiabatic operation regime under a finite blockade strength.

show abstract

Section: Introductionmentioning

confidence: 99%

High-fidelity Rydberg controlled-Z gates with optimized pulses

Chang,

Wang,

Jen

et al. 2023

New J. Phys.

View full text Add to dashboard Cite

show abstract

“…esearchers have produced 3D lattices of trapped atoms for possible quantum computing tasks, but the standard technology doesn't allow much control over atom spacing. Now a team has created a new type of 3D lattice by combining optical tweezers-points of focused light that trap atoms-with an optical phenomenon known as the Talbot effect [1]. The team's 3D tweezer lattice has sites for 10,000 atoms, but with some straightforward modifications, the system could reach 100,000 atoms.…”

mentioning

confidence: 99%

“…Thanks to the Talbot effect, the focal plane pattern is reproduced at other parallel planes-also seen in cross section as vertical lines of red or white dots. Credit: M. Schlosser et al [1] Thousand points of light. In the team's setup, a laser beam strikes a microlens array at the left.…”

mentioning

confidence: 99%