Microsecond-scale high-survival and number-resolved detection of ytterbium atom arrays

Abstract

Scalable atom-based quantum platforms for simulation, computing, and metrology require fast high-fidelity, low-loss imaging of individual atoms. Standard fluorescence detection methods rely on continuous cooling, limiting the detection range to one atom and imposing long imaging times that constrain the experimental cycle and mid-circuit conditional operations. Here, we demonstrate fast and low-loss single-atom imaging in optical tweezers without active cooling, enabled by the favorable properties of ytterbium. Collecting fluorescence over microsecond timescales, we reach single-atom discrimination fidelities above 99.9% and single-shot survival probabilities above 99.5%. Through interleaved recooling pulses, as short as a few hundred microseconds for atoms in magic traps, we perform tens of consecutive detections with constant atom-retention probability per image - an essential step toward fast atom re-use in tweezer-based processors and clocks. Our scheme does not induce parity projection in multiply-occupied traps, enabling number-resolved single-shot detection of several atoms per site. This allows us to study the near-deterministic preparation of single atoms in tweezers driven by blue-detuned light-assisted collisions. Moreover, the near-diffraction-limited spatial resolution of our low-loss imaging enables number-resolved microscopy in dense arrays, opening the way to direct site-occupancy readout in optical lattices for density fluctuation and correlation measurements in quantum simulators.

8+10 pages, 4+6 figures; typos corrected

References in corpus (69)

• A quantum gas microscope - detecting single atoms in a Hubbard regime optical lattice
• Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
• Many-Body Physics with Individually-Controlled Rydberg Atoms
• Logical quantum processor based on reconfigurable atom arrays
• Quantum Phases of Matter on a 256-Atom Programmable Quantum Simulator
• Programmable quantum simulation of 2D antiferromagnets with hundreds of Rydberg atoms
• Spin and Charge Resolved Quantum Gas Microscopy of Antiferromagnetic Order in Hubbard Chains
• An SU(N) Mott insulator of an atomic Fermi gas realized by large-spin Pomeranchuk cooling
• High-fidelity readout of trapped-ion qubits
• High-fidelity gates with mid-circuit erasure conversion in a metastable neutral atom qubit
• Microscopic Observation of Pauli Blocking in Degenerate Fermionic Lattice Gases
• Microscopic control and detection of ultracold strontium in optical-tweezer arrays
• Imaging optical frequencies with 100 $\mu$Hz precision and 1.1 $\mu$m resolution
• Seconds-scale coherence in a tweezer-array optical clock
• Energy distribution and cooling of a single atom in an optical tweezer
• Direct probing of the Mott crossover in the SU($N$) Fermi-Hubbard model
• Narrow-line cooling and imaging of Ytterbium atoms in an optical tweezer array
• Ytterbium nuclear-spin qubits in an optical tweezer array
• 2000-times repeated imaging of strontium atoms in clock-magic tweezer arrays
• Erasure conversion in a high-fidelity Rydberg quantum simulator
• Rapid production of uniformly-filled arrays of neutral atoms
• Localized magnetic moments with tunable spin exchange in a gas of ultracold fermions
• An ytterbium quantum gas microscope with narrow-line laser cooling
• Universal gate operations on nuclear spin qubits in an optical tweezer array of ${}^{171}$Yb atoms
• Single-particle-sensitive imaging of freely propagating ultracold atoms
• Spin-resolved single-atom imaging of ${}^6$Li in free space
• E1 amplitudes, lifetimes, and polarizabilities of the low-lying levels of atomic ytterbium
• Mid-circuit cavity measurement in a neutral atom array
• An atomic array optical clock with single-atom readout
• Emergence of multi-body interactions in few-atom sites of a fermionic lattice clock
• Doublon-hole correlations and fluctuation thermometry in a Fermi-Hubbard gas
• Dipolar quantum solids emerging in a Hubbard quantum simulator
• Grey-molasses optical-tweezer loading: Controlling collisions for scaling atom-array assembly
• Site-resolved imaging of ytterbium atoms in a two-dimensional optical lattice
• Robust Bilayer Charge-Pumping for Spin- and Density-Resolved Quantum Gas Microscopy
• Mid-circuit qubit measurement and rearrangement in a ${}^{171}$Yb atomic array
• Mid-circuit measurements on a single species neutral alkali atom quantum processor
• Observation of Cooper Pairs in a Mesoscopic 2D Fermi Gas
• Continuous operation of large-scale atom arrays in optical lattices
• Universal quantum operations and ancilla-based readout for tweezer clocks
• Observation of Nagaoka Polarons in a Fermi-Hubbard Quantum Simulator
• Study of light-assisted collisions between a few cold atoms in a microscopic dipole trap
• High-fidelity detection of large-scale atom arrays in an optical lattice
• Directly imaging spin polarons in a kinetically frustrated Hubbard system
• Repetitive readout and real-time control of nuclear spin qubits in ${}^{171}$Yb atoms
• Flavour-selective localization in interacting lattice fermions via SU(N) symmetry breaking
• Multi-ensemble metrology by programming local rotations with atom movements
• Quantum gas magnifier for sub-lattice-resolved imaging of three-dimensional quantum systems
• Equation of State and Thermometry of the 2D SU($N$) Fermi-Hubbard Model
• Cavity-enhanced optical lattices for scaling neutral atom quantum technologies to higher qubit numbers
• Dynamics of two atoms undergoing light-assisted collisions in an optical microtrap
• Fast single atom imaging for optical lattice arrays
• Probing transport and slow relaxation in the mass-imbalanced Fermi-Hubbard model
• An unsupervised deep learning algorithm for single-site reconstruction in quantum gas microscopes
• Optical repumping of triplet $P$-states enhances magneto-optical trapping of ytterbium atoms
• Quantum Gas Microscopy of Fermions in the Continuum
• Measuring pair correlations in Bose and Fermi gases via atom-resolved microscopy
• Emergent interaction-driven elliptic flow of few fermionic atoms
• Pair Correlations and Photoassociation Dynamics of Two Atoms in an Optical Tweezer
• A strontium quantum-gas microscope
• State-dependent fluorescence of neutral atoms in optical potentials
• Deep Learning-Assisted Classification of Site-Resolved Quantum Gas Microscope Images
• Observation of spin-exchange dynamics between itinerant and localized ${}^{171}\mathrm{Yb}$ atoms
• Optical Tweezer Arrays of Erbium Atoms
• Ultrafast high-fidelity state readout of single neutral atom
• A comparative study of deconvolution techniques for quantum-gas microscope images
• High-fidelity imaging of a band insulator in a three-dimensional optical lattice clock
• Quantifying Light-assisted Collisions in Optical Tweezers Across the Hyperfine Spectrum
• Single-atom imaging of ${}^{173}$Yb in optical tweezers loaded by a five-beam magneto-optical trap

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