Programmable Assembly of Ground State Fermionic Tweezer Arrays
Naman Jain, Jin Zhang, Marcus Culemann, Philipp M. Preiss

TL;DR
This paper presents a fast, scalable method for deterministic preparation and control of fermionic $^6$Li atom arrays in optical tweezers, enabling programmable quantum simulation with high fidelity and resolution.
Contribution
It introduces a novel approach for deterministic, high-fidelity preparation and control of fermionic atom arrays with parallelized site- and number-resolved capabilities.
Findings
Achieved motional ground-state fidelities above 98.5%.
Demonstrated high-fidelity spin-, site-, and density-resolved readout within 20 microseconds.
Established a scalable, programmable architecture for fermionic quantum simulation.
Abstract
We demonstrate deterministic preparation of arbitrary two-component product states of fermionic Li atoms in an 88 optical tweezer array, achieving motional ground-state fidelities above . Leveraging the large differential magnetic moments for spin-resolution, with parallelized site- and number-resolved control, our approach addresses key challenges for low-entropy quantum state engineering. Combined with high-fidelity spin-, site-, and density-resolved readout within a single exposure, and experimental cycles, these advances establish a fast, scalable, and programmable architecture for fermionic quantum simulation.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum Information and Cryptography · Quantum many-body systems
