SAMOP 2023 – scientific programme
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QI: Fachverband Quanteninformation
QI 23: Poster II (joint session QI/Q)
QI 23.52: Poster
Wednesday, March 8, 2023, 16:30–19:00, Empore Lichthof
Quantum Computation and Simulation with Neutral Alkaline-Earth-like Ytterbium Rydberg Atoms in Optical Tweezers — •Nejira Pintul1, Tobias Petersen1, Benjamin Abeln1, Marcel Diem1, Oscar Murzewitz1, Koen Sponselee1, Christoph Becker1,2, and Klaus Sengstock1,2 — 1Zentrum für optische Quantentechnologien, Universität Hamburg, Deutschland — 2Institut für Laserphysik, Universität Hamburg, Deutschland
Experiments with neutral cold atoms trapped in reconfigurable optical tweezer arrays have recently developed into one of today’s leading platforms for quantum simulation and computation, due to the innate scalability, single atom control and Rydberg blockade mechanism for generating two-atom entangling gates. However, to achieve fault-tolerant quantum computing, current atomic life- and coherence times still need improvement to increase fidelities in preparation, gate operation and read-out. Here we present our pathway in constructing an optical tweezer experiment utilizing the alkaline-earth-like atom 171Yb. This isotope offers a multitude of viable advantages for encoding novel high-fidelity qubit and error correction architectures, such as the presence of a highly coherent metastable state, a two valence-electron structure with an optically active ion core and single-photon Rydberg transitions. Main milestones include the characterization of two microscope objectives, the design of magnetic coils along with electric field compensation, the development of homogeneous 2D tweezer holograms and mobile dipole traps for efficient array initialization.