Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session K00: Poster Session II (4pm-6pm CDT)
4:00 PM,
Wednesday, June 5, 2024
Room: Hall BC
Abstract: K00.00060 : Quantum Computation and Simulation with Neutral Alkaline-Earth-like Ytterbium Rydberg Atoms in Optical Tweezer Arrays*
Presenter:
Nejira Pintul
(University of Hamburg)
Authors:
Nejira Pintul
(University of Hamburg)
Tobias Petersen
(University of Hamburg)
Koen Sponselee
(University of Hamburg)
Alexander Ilin
(University of Hamburg)
Nicolas Heimann
(University of Hamburg)
Lukas Broers
(University of Hamburg)
Ludwig Mathey
(University of Hamburg)
Klaus Sengstock
(University of Hamburg)
Christoph Becker
(University of Hamburg)
Harnessing the two valence electron structure and metastable clock states of alkaline-earth-like atoms such as ytterbium (Yb) offers new opportunities for overcoming present limitations imposed on coherence times, array preparation, atom addressing and Rydberg-mediated entanglement. Recently developed qubit architectures, error correction schemes and the capability of mid-circuit readout motivate fault-tolerant quantum computing.
In this poster we report on our experimental approach to building an Yb Rydberg tweezer platform.
We present ongoing work towards realizing uniform tweezer arrays using a Gerchberg-Saxton algorithm, mobile traps for atom reconfiguration, global Raman beam addressing and single-photon Rydberg excitation. We show a machine learning assisted two-qubit gate design [1] utilizing a hybrid-classical optimizer to construct fidelity-optimal pulse sequences for realizing CNOT gates.
[1] N. Heimann et al., arXiv 2306.08691 (2023)
*This work is supported by SFB-925 (No. '170620586') and 'Hamburg Quantencomputing' (HQC).
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