Multi-qubit gates and Schrödinger cat states in an optical clock

A Cao, WJ Eckner, T Lukin Yelin, AW Young… - Nature, 2024 - nature.com
Many-particle entanglement is a key resource for achieving the fundamental precision limits
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …

A tweezer array with 6100 highly coherent atomic qubits

HJ Manetsch, G Nomura, E Bataille, KH Leung… - ar** of single rubidium atoms in large arrays of optical tweezers
comprising up to 2088 sites in a cryogenic environment at 6 K. Our approach relies on the …

Technologies for modulation of visible light and their applications

S Park, M Notaros, A Mohanty, D Kim, J Notaros… - Progress in Quantum …, 2024 - Elsevier
Control over the amplitude, phase, and spatial distribution of visible-spectrum light underlies
many technologies, but commercial solutions remain bulky, require high control power, and …

Computational capabilities and compiler development for neutral atom quantum processors—connecting tool developers and hardware experts

L Schmid, DF Locher, M Rispler, S Blatt… - Quantum Science …, 2024 - iopscience.iop.org
Abstract Neutral Atom Quantum Computing (NAQC) emerges as a promising hardware
platform primarily due to its long coherence times and scalability. Additionally, NAQC offers …

Hybrid Atom Tweezer Array of Nuclear Spin and Optical Clock Qubits

Y Nakamura, T Kusano, R Yokoyama, K Saito… - Physical Review X, 2024 - APS
While data qubits with a long coherence time are essential for the storage of quantum
information, ancilla qubits are pivotal in quantum error correction (QEC) for fault-tolerant …

Fine-structure qubit encoded in metastable strontium trapped in an optical lattice

S Pucher, V Klüsener, F Spriestersbach, J Geiger… - Physical Review Letters, 2024 - APS
We demonstrate coherent control of the fine-structure qubit in neutral strontium atoms. This
qubit is encoded in the metastable P 2 3 and P 0 3 states, coupled by a Raman transition …