Observation of Rydberg blockade between two atoms

Abstract

We demonstrate experimentally that a single Rb atom excited to the $79d_{5/2}$ level blocks the subsequent excitation of a second atom located more than $10\mu \mathrm{m}$ away. The observed probability of double excitation of $\sim 30$ is consistent with a theoretical model based on calculations of the long range dipole-dipole interaction between atoms.

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• Fast Ground State Manipulation of Neutral Atoms in Microscopic Optical Traps
• Quantum computing with collective ensembles of multi-level systems
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• Dissipation-sensitive multi-photon excitations of strongly interacting Rydberg atoms
• Finite-temperature Rydberg arrays: quantum phases and entanglement characterization
• Two-atom van-der-Waals forces with one atom excited: the identical atoms limit I
• Holonomic swap and controlled-swap gates of neutral atoms via selective Rydberg pumping
• Programming higher-order interactions of Rydberg atoms
• Control of atomic Rydberg states using guided electrons
• Quantum optimal control within the rotating wave approximation
• Weak ergodicity breaking with isolated integrable sectors
• Two-dimensional Paired Topological Superfluids of Rydberg Fermi Gases
• Error-budgeting for a controlled-phase gate with strontium-88 Rydberg atoms
• Integrable models on Rydberg atom chains
• Non-adiabatic dynamics in Rydberg gases with random atom positions
• Comparison of Two Optimization Methods for a Rydberg Quantum Gate
• Neural-powered unit disk graph embedding: qubits connectivity for some QUBO problems
• Anomalous excitation enhancement with Rydberg-dressed atoms
• Quantum dynamics of a fully-blockaded Rydberg atom ensemble
• Variational manifolds for ground states and scarred dynamics of blockade-constrained spin models on two and three dimensional lattices
• Compensating fictitious magnetic field gradients in optical microtraps by using elliptically polarized dipole light
• Quantum teleportation and computation with Rydberg atoms in an optical lattice
• Delocalization in two and three-dimensional Rydberg gases
• Rydberg wire gates for universal quantum computation
• Internal diffraction dynamics of trilobite molecules
• Refined Phase Diagram for a Spin-1 System Exhibiting a Haldane Phase
• Optical control of the complex phase of a quantum ground state amplitude
• Machine learning identification of symmetrized base states of Rydberg atoms
• Prospects for strongly coupled atom-photon quantum nodes
• Hamilton-Jacobi-Bellman equations for Rydberg-blockade processes
• Simulations of the angular dependence of the dipole-dipole interaction among Rydberg atoms
• Properties of collective Rabi oscillations with two Rydberg atoms
• The effect of orientation of Rydberg atoms on their collisional ionization cross section
• Imaging a chain of strongly correlated Rydberg excitations enabled by Förster-resonance-enhanced interaction
• Non-Abelian Anyons with Rydberg Atoms
• Interaction-induced stabilization of circular Rydberg atoms
• Size-Reduction of Rydberg collective excited states in cold atomic system
• Topological order in symmetric blockade structures
• Nonconservative dipole forces in a two-atom system with one atom excited
• Approximate combinatorial optimization with Rydberg atoms: the barrier of interpretability
• Rabi oscillations and entanglement between two atoms interacting by the Rydberg blockade studied by the Jaynes-Cummings Model
• Chirped pulse excitation of two-atom Rydberg states
• Dynamically Enhanced Two-Photon Spectroscopy
• Exploring universal and non-universal regimes of trimers from three-body interactions in one-dimensional lattices
• Fast entangling quantum gates with almost-resonant modulated driving
• Inhomogeneities and impurities in a dense one-dimensional Rydberg lattice gas
• Analysis of heralded higher-fidelity two-qubit entangling gates with self-correction
• Rydberg-atom manipulation through strong interaction with free electrons
• Role of mechanical effects on the excitation spectra of microwave-dressed Rydberg states in a cold atomic cloud
• Efficient Quantum Repeater with Single Atoms in Cavities
• Consensus-based qubit configuration optimization for variational algorithms on neutral atom quantum systems
• Graph Coloring via Quantum Optimization on a Rydberg-Qudit Atom Array
• Rapid Preparation of Rydberg Superatom W State Using Superadiabatic Techniques
• Dipole blockade without dipole-dipole interaction
• Roton-Induced Trapping in Strongly Correlated Rydberg Gases
• Fast and robust cat state preparation utilizing higher order nonlinearities in Rydberg ensembles
• Continuous-wave all-optical single-photon transistor based on a Rydberg-atom ensemble
• Continuous-wave quantum light control via engineered Rydberg-induced dephasing
• Electronic sideband locking of 318.6nm UV laser to an ultrastable optical cavity with a wide continuously tunable range
• Single Photon Superradiance and Subradiance as Collective Emission From Symmetric and Antisymmetric States
• Detecting prethermal Floquet phases of Rydberg atom arrays
• Emergence of Spatial Order in Highly Interacting Rydberg Gases
• Accurate density measurement of a cold Rydberg gas via non collisional two-body transitions
• Rydberg assisted light shift imbalance induced blockade in an atomic ensemble
• Correlated Diskoid-like Electronic States
• Three-level rate equations in cold, disordered Rydberg gases
• Dissipative engineering a tripartite Greenberger-Horne-Zeilinger state for neutral atoms
• Two-dimensional three-body quadrupole-quadrupole interactions
• Breaking of reciprocity and the Pancharatnam-Berry phase for light scattered by a disordered cold atom cloud
• Shortcuts to Analog Preparation of Non-Equilibrium Quantum Lakes
• One-step preparation of 3D Bell and 3D GHZ states with Rydberg atoms
• Probing Bardeen-Cooper-Schrieffer pairing and quasiparticle formation in ultracold gases by Rydberg atom spectroscopy
• Routing single photons with quantum emitters coupled to nanostructures
• Deterministic facilitated excitation of the weakly-driven atom in heteronuclear Rydberg atom pairs beyond antiblockade
• Ultrafast many-body dynamics of dense Rydberg gases and ultracold plasma
• Rydberg atoms for electric field gradiometry
• Hyperfine van der Waals repulsion between open-shell polar molecules
• Entanglement creation in cold molecular gases using strong laser pulses
• Interpretable representation learning of quantum data enabled by probabilistic variational autoencoders
• Competition of light- and phonon-dressing in microwave-dressed Bose polarons
• Distinct many-body scars and emergent quantum phases driven by competing interactions in two-species Rydberg arrays
• Quantifying the impact of state mixing on the Rydberg excitation blockade
• Study of Rydberg blockade in thermal vapor
• Quantum tomography based on principles of completeness, adequacy and fidelity