Bose-Einstein Condensation 2023

Rydberg quantum simulator using strontium atoms in tweezers

11 Sept 2023, 21:00

2h

Hotel Eden Roc

Poster Quantum Simulation with Single Atom Resolution Poster Session II

Speaker

Robert Spreeuw (University of Amsterdam)

Description

I. Knottnerus^{1, 2, 3}, Y.C. Tseng^1,2, A. Urech^1,2, D. Janse van Rensburg³, R. van Herk³, M. Venderbosch³, Z. Guo³, E. Vredenbregt³, S. Kokkelmans³, R. Spreeuw^1,2,
F. Schreck<sup>1,2

1</sup>University of Amsterdam, Amsterdam
²QuSoft, Amsterdam
³Eindhoven University of Technology, Eindhoven

We demonstrate the preparation of defect-free patterns of single Sr atoms in optical tweezers. The Sr atoms form the qubit register of our programmable Rydberg quantum simulator. This platform is highly suitable to study for example large scale spin-1/2 systems or spin squeezing. The qubit states are encoded onto two electronic levels of the atoms. The qubits are selectively read-out using fluorescence imaging on the narrow ¹S₀-³P₁ transition with 99.9% fidelity and survive imaging exposure up to 78 s. As a first step towards quantum simulation, we show results from exciting n=61 ³S₁ Rydberg states in our array. We further present an outlook for implementing a universal gate set for quantum computing using this system similar to the recent work [1]. This research is part of the KAT-1 quantum computing demonstrator programme of Quantum Delta NL.
[1] W.J. Eckner, et al., pre-print: ArXiv:2303.08078