An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays

Abstract

Large arrays of individually controlled atoms trapped in optical tweezers are a very promising platform for quantum engineering applications. However, to date, only disordered arrays have been demonstrated, due to the non-deterministic loading of the traps. Here, we demonstrate the preparation of fully loaded, two-dimensional arrays of up to 50 microtraps each containing a single atom, and arranged in arbitrary geometries. Starting from initially larger, half-filled matrices of randomly loaded traps, we obtain user-defined target arrays at unit filling. This is achieved with a real-time control system and a moving optical tweezers that performs a sequence of rapid atom moves depending on the initial distribution of the atoms in the arrays. These results open exciting prospects for quantum engineering with neutral atoms in tunable geometries.

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• Coherent Control of the Fine-Structure Qubit in a Single Alkaline-Earth Atom
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• Demonstration of the Jaynes-Cummings ladder with Rydberg-dressed atoms
• Compiling Quantum Circuits for Dynamically Field-Programmable Neutral Atoms Array Processors
• Direct Measurements of Collisional Dynamics in Cold Atom Triads
• Microring resonators on a membrane optical circuit for atom-light interactions
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• Quantifying information scrambling via Classical Shadow Tomography on Programmable Quantum Simulators
• Deterministic generation of hybrid high-N00N states with Rydberg ions trapped in microwave cavities
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• Optical Properties of Concentric Nanorings of Quantum Emitters
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• Radiation forces and torques in optics and acoustics
• Stochastic dynamics of a few sodium atoms in a cold potassium cloud
• Single-Photon Pulse Induced Transient Entanglement Force
• Two-qubit gate in neutral atoms using transitionless quantum driving
• Magnetic properties and quench dynamics of two interacting ultracold molecules in a trap
• Preparing Greenberger-Horne-Zeilinger state on ground levels of neutral atoms
• An accordion superlattice for controlling atom separation in optical potentials
• Modifying cooperative decay via disorder in atom arrays
• Order-by-disorder and emergent Kosterlitz-Thouless phase in triangular Rydberg array
• One-way street for the energy current: A ubiquitous phenomenon in boundary-driven quantum spin chains
• Enhanced dark-state sideband cooling in trapped atoms via photon-mediated dipole-dipole interactions
• Onset of scrambling as a dynamical transition in tunable-range quantum circuits
• Cavity dark mode mediated by atom array without atomic scattering loss
• Efficient generation of multiqubit entanglement states using rapid adiabatic passage
• Optical Levitation of Arrays of Microspheres
• Quantum superpositions of current states in Rydberg-atom networks
• Long-lived oscillations of metastable states in neutral atom systems
• Probing unitary two-time correlations in a neutral atom quantum simulator
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• Controllable atomic collision in a tight optical dipole trap
• A cavity array microscope for parallel single-atom interfacing
• Symmetry based efficient simulation of dissipative quantum many-body dynamics in subwavelength quantum emitter arrays
• Evaporative cooling to a Rydberg crystal close to its ground state
• Trapping ${}^{171}$Yb Atoms into a One-Dimensional Optical Lattice with a Small Waist
• Microscope objective for imaging atomic strontium with 0.63 micrometer resolution
• Many-body localization on finite generation fractal lattices
• Classical product code constructions for quantum Calderbank-Shor-Steane codes
• Interactions of Ions and Ultracold Neutral Atom Ensembles in Composite Optical Dipole Traps: Developments and Perspectives
• Observation of average topological phase in disordered Rydberg atom array
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• Rapid stochastic spatial light modulator calibration and pixel crosstalk optimisation
• Coulomb coupling between two nanospheres trapped in a bichromatic optical tweezer
• Dipolar ordering transitions in many-body quantum optics: Analytical diagrammatic approach to equilibrium quantum spins
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• Topology of Discrete Quantum Feedback Control
• Universal quantum processors in spin systems via robust local pulse sequences
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• Individually tunable tunnelling coefficients in optical lattices using local periodic driving
• Fractional quantum anomalous Hall phase for Raman superarray of Rydberg atoms
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• Influence of Laser Intensity Fluctuation on Single-Cesium Atom Trapping Lifetime in a 1064-nm Microscopic Optical Tweezer
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• Dimer states of Rydberg atoms on the Kagome lattice as resources for universal measurement-based quantum computation
• Two-atom van-der-Waals forces with one atom excited: the identical atoms limit I
• Rydberg atom arrays as quantum simulators for molecular dynamics
• Extractable energy from quantum superposition of current states
• Noise-aware variational eigensolvers: a dissipative route for lattice gauge theories
• Cold-atom shaping with MEMS scanning mirrors
• Neural-powered unit disk graph embedding: qubits connectivity for some QUBO problems
• Efficient fault-tolerant implementations of non-Clifford gates with reconfigurable atom arrays
• Floquet Amorphous Topological Orders in a One-dimensional Rydberg Glass
• Quantum sensing with ultracold simulators in lattice and ensemble systems: a review
• Quantum annealing of Cayley-tree Ising spins at small scales
• Multi-controlled Phase Gate Synthesis with ZX-calculus applied to Neutral Atom Hardware
• Measuring Laser Beams with a Neural Network
• Effective spin physics in two-dimensional cavity QED arrays
• Controllability in tunable chains of coupled harmonic oscillators
• Hubbard models with arbitrary structures in programmable optical lattices
• Nonradiant multiphoton states in quantum ring oligomers
• Efficient preparation of the AKLT State with Measurement-based Imaginary Time Evolution
• Bose-Einstein condensation by polarization gradient laser cooling
• Bottom-up configuration-interaction emulations of ultracold fermions in entangled optical plaquettes: building blocks of unconventional superconductivity
• Probing the interaction energy of two ${}^{85}$Rb atoms in an optical tweezer via spin-motion coupling
• Properties of Laughlin states on fractal lattices
• Fractal ground state of ion chains in periodic potentials
• Micro-integrated crossed-beam optical dipole trap system with long-term alignment stability for mobile atomic quantum technologies
• Dipole-dipole Interactions Through a Lens
• Supersymmetry-assisted high-fidelity ground state preparation of single neutral atom in an optical tweezer
• Entangled states from sparsely coupled spins for metrology with neutral atoms
• Dynamical spatial light modulation in the ultraviolet spectral range
• Simulation of chiral motion of excitation within the ground-state manifolds of neutral atoms
• Learning interactions between Rydberg atoms
• Quantum network tomography of Rydberg arrays by machine learning
• Transport in boundary-driven quantum spin systems: One-way street for the energy current
• Tomonaga-Luttinger Liquid Behavior in a Rydberg-encoded Spin Chain
• Logical entanglement distribution between distant 2D array qubits
• State Carving in a Chirally-Coupled Atom-Nanophotonic Cavity
• Plaquette valence bond state in spin-1/2 J1-J2 XY model on square lattice
• Optical conductivity and orbital magnetization of Floquet vortex states
• Multiple current reversals using superimposed driven lattices
• Adiabatic ground state preparation in an expanding lattice
• Boson sampling with ultracold atoms in a programmable optical lattice
• Approximate Hofstadter- and Kapit-Mueller-like parent Hamiltonians for Laughlin states on fractals
• Inertial geometric quantum logic gates
• Molecular entanglement as a signature of the Unruh effect
• Tracking a nonrelativistic charge with an array of Rydberg atoms
• Excitons guided by polaritons
• Tunnel-coupled optical microtraps for ultracold atoms
• Energy current manipulation and reversal of rectification in graded XXZ spin chains
• Fast real-time arbitrary waveform generation using graphic processing units
• Measuring temporal entropies in experiments
• Optimal State Preparation for Logical Arrays on Zoned Neutral Atom Quantum Computers
• Many-body multi-valuedness of particle-current variance in closed and open cold-atom systems
• Light-induced, fictitious magnetic trapping of cold alkali atoms using an optical tweezers-nanofiber hybrid platform
• Parallel assembly of neutral atom arrays with an SLM using linear phase interpolation
• Probing spin-motion coupling of two Rydberg atoms by a Stern-Gerlach-like experiment
• Phase-Space Methods for Many-Body Quantum Optics
• Discrete time crystals enhanced by Stark potentials in Rydberg atom arrays
• Optimized readout strategies for neutral atom quantum processors
• Dual-species Optical tweezer for Rb and K atoms
• Spin-flip induced superfluidity in a ring of spinful hard-core bosons
• Time-Optimal Two- and Three-Qubit Gates for Rydberg Atoms
• Sieve of Eratosthenes for Bose-Einstein Condensates in Optical Moiré Lattices
• Quantum evolution kernel : Machine learning on graphs with programmable arrays of qubits
• Controlling vortical motion of particles in two-dimensional driven superlattices
• Quantum correlated steady states under competing collective and individual decay
• Tailoring interaction ranges in atom arrays
• Single Sr Atoms in Optical Tweezer Arrays for Quantum Simulation
• Quantum science with arrays of metastable helium-3 atoms
• Microscopic Rydberg electron orbit manipulation with optical tweezers
• Collective light-matter interaction in plasmonic waveguide quantum electrodynamics
• Quantized valley Hall response from local bulk density variations
• Controlling transport of underdamped particles in two-dimensional driven Bravais lattices
• Optically Addressed Spatial Light Modulator based on Nonlinear Metasurface
• High-fidelity multiqubit Rydberg gates via two-photon adiabatic rapid passage
• Universal quantum computation and quantum error correction with ultracold atomic mixtures
• Super-resolution optical trapping of multiple cold atoms
• Hardware-efficient quantum annealing with error mitigation via classical shadow
• Routing-Aware Placement for Zoned Neutral Atom-based Quantum Computing
• Rydberg-atom manipulation through strong interaction with free electrons
• Diagonal entropy in many-body systems: Volume effect and quantum phase transitions
• All-to-all connectivity of Rydberg-atom-based quantum processors with messenger qubits
• Qudit encoding in Rydberg blockaded arrays of atoms
• Fast measurement-based generation of large-scale Greenberger-Horne-Zeilinger state with atomic nuclear-spin qubits
• Random singlet phase of cold atoms coupled to a photonic crystal waveguide
• Optimal transfer of entanglement in oscillator chains in non-Markovian open systems
• Polarization-dependent topology in quantum emitter chains
• Topological transitions induced by cavity-mediated interactions in photonic valley-Hall metasurfaces
• Rapid generation of Mott insulators from arrays of noncondensed atoms
• Cooperative Decay of N Atoms in a Ring Configuration
• Controlling the shape of small clusters with and without macroscopic fields
• Extracting atoms one by one from a small matter-wave soliton
• Algebraic law of local correlations in a driven Rydberg atomic system
• Control of Dipolar Dynamics by Geometrical Programming
• Non-destructive optical read-out and manipulation of circular Rydberg atoms
• Exploiting Long-Distance Interactions and Tolerating Atom Loss in Neutral Atom Quantum Architectures
• Operator dependence and robustness of spacetime-localized response in a quantum critical spin chain
• Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols
• Autonomously Designed Pulses for Precise, Site-Selective Control of Atomic Qubits
• High-efficiency loading of 2,400 Ytterbium atoms in optical tweezer arrays
• Operator delocalization in disordered spin chains via exact MPO marginals
• Protocol for autonomous rearrangement of cold atoms into low-entropy configurations
• A Robust Strontium Tweezer Apparatus for Quantum Computing
• Practical Quantum Reservoir Computing in Rydberg Atom Arrays
• Dissipative engineering a tripartite Greenberger-Horne-Zeilinger state for neutral atoms
• The Virtual Quantum Device (VQD): A tool for detailed emulation of quantum computers