Quantum Computing and Quantum Simulation with Group-II Atoms

Abstract

Recent experimental progress in controlling neutral group-II atoms for optical clocks, and in the production of degenerate gases with group-II atoms has given rise to novel opportunities to address challenges in quantum computing and quantum simulation. In these systems, it is possible to encode qubits in nuclear spin states, which are decoupled from the electronic state in the ${}^1$S${}_0$ ground state and the long-lived ${}^3$P${}_0$ metastable state on the clock transition. This leads to quantum computing scenarios where qubits are stored in long lived nuclear spin states, while electronic states can be accessed independently, for cooling of the atoms, as well as manipulation and readout of the qubits. The high nuclear spin in some fermionic isotopes also offers opportunities for the encoding of multiple qubits on a single atom, as well as providing an opportunity for studying many-body physics in systems with a high spin symmetry. Here we review recent experimental and theoretical progress in these areas, and summarise the advantages and challenges for quantum computing and quantum simulation with group-II atoms.

11 pages, 7 figures, review for special issue of "Quantum Information Processing" on "Quantum Information with Neutral Particles"

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Cited by in corpus (70)

• Quantum trajectories and open many-body quantum systems
• Spectroscopic observation of SU(N)-symmetric interactions in Sr orbital magnetism
• Ultracold Fermi Gases with Emergent SU(N) Symmetry
• Alkaline earth atoms in optical tweezers
• Exploring dynamical phase transitions with cold atoms in an optical cavity
• 2000-times repeated imaging of strontium atoms in clock-magic tweezer arrays
• Emergence of multi-body interactions in few-atom sites of a fermionic lattice clock
• Dissipative Bose-Hubbard system with intrinsic two-body loss
• Spin-orbit coupled two-electron Fermi gases of ytterbium atoms
• State-dependent optical lattices for the strontium optical qubit
• Quantum logic and entanglement by neutral Rydberg atoms: methods and fidelity
• Ultracold atoms and the Functional Renormalization Group
• Kitaev honeycomb and other exotic spin models with polar molecules
• Realization of Qi-Wu-Zhang model in spin-orbit-coupled ultracold fermions
• Telecom-band quantum optics with ytterbium atoms and silicon nanophotonics
• Isotope-shift spectroscopy of the ${}^1{S}_0\to {}^3{P}_1$ and ${}^1{S}_0\to {}^3{P}_0$ transitions in strontium
• High temperature thermodynamics of fermionic alkaline earth atoms in optical lattices
• Adiabatic loading of one-dimensional SU(N) alkaline earth fermions in optical lattices
• Quantum Optimal Control of Nuclear Spin Qudecimals in ${}^{87}\text{Sr}$
• Enhanced weak force sensing through atom-based coherent noise cancellation in a hybrid cavity optomechanical system
• Enhanced weak force sensing based on atom-based coherent quantum noise cancellation in a hybrid cavity optomechanical system
• Phase diagrams of one-dimensional half-filled two-orbital SU(N) cold fermions systems
• Reservoir spectroscopy of 5s5p ${}^3$P${}_2$ - 5s$n$d ${}^3$D${}_{1,2,3}$ transitions in strontium
• Driven-dissipative many-body pairing states for cold fermionic atoms in an optical lattice
• Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination
• $p$-wave chiral superfluidity from an $s$-wave interacting atomic Fermi gas
• Interaction Control of Ultracold Alkaline-Earth Atoms
• Cavity-enhanced optical lattices for scaling neutral atom quantum technologies to higher qubit numbers
• Clock spectroscopy of interacting bosons in deep optical lattices
• Spin squeezing and many-body dipolar dynamics in optical lattice clocks
• Qudit entanglers using quantum optimal control
• Fault-tolerant quantum computation using large spin cat-codes
• Fast and scalable quantum information processing with two-electron atoms in optical tweezer arrays
• Absolute frequency measurements and hyperfine structures of the molecular iodine transitions at 578 nm
• Spatial Pauli-blocking of spontaneous emission in optical lattices
• Sub-recoil clock-transition laser cooling enabling shallow optical lattice clocks
• Second harmonic generation at 399 nm resonant on the ${}^1{S}_0{-}^1{P}_1$ transition of ytterbium using a periodically poled LiNbO${}_3$ waveguide
• Coqblin-Schrieffer Model for an Ultra-cold Gas of Ytterbium atoms with Metastable States
• Structure of Spin Correlations in High Temperature SU($N$) Quantum Magnets
• Multipolar Kondo Effect in ${}^1$S${}_0$-${}^3$P${}_2$ Mixture of ${}^{173}$Yb Atoms
• Cluster State Generation with Spin-Orbit Coupled Fermionic Atoms in Optical Lattices
• The ${}^1{\mathrm{S}}_0$-${}^3{\mathrm{P}}_2$ magnetic quadrupole transition in neutral strontium
• Time-Optimal Control of Collisional $\sqrt{\text{SWAP}}$ Gates in Ultracold Atomic Systems
• Engineered Open Systems and Quantum Simulations with Atoms and Ions
• Dipole-dipole frequency shifts in multilevel atoms
• Collective modes of ultracold fermionic alkaline-earth gases with SU(N) symmetry
• Rydberg quantum computation with nuclear spins in two-electron neutral atoms
• Doppler Spectroscopy of an Ytterbium Bose-Einstein Condensate on the Clock Transition
• Spin qudit tomography and state reconstruction error
• A compact ultranarrow high-power laser system for experiments with 578nm Ytterbium clock transition
• Inverted crossover resonance aiding laser cooling of ${}^{171}$Yb
• Measurement of the Hyperfine Quenching Rate of the Clock Transition in ${}^{171}$Yb
• Coherent optical nano-tweezers for ultra-cold atoms
• Clock and inter-combination line frequency separation in ${}^{171}$Yb
• Spectrum estimation of density operators with alkaline-earth atoms
• Current-feedback-stabilized laser system for quantum simulation experiments using Yb clock transition at 578 nm
• Active control of a diode laser with injection locking
• Absolute frequency measurement of molecular iodine hyperfine transitions at 647 nm
• Effective multi-body SU($N$)-symmetric interactions of ultracold fermionic atoms on a 3-D lattice
• Non-linear Relaxation of Interacting Bosons Coherently Driven on a Narrow Optical Transition
• Robust frequency stabilization and linewidth narrowing of a laser with large intermittent frequency jumps using an optical cavity and an atomic beam
• Single-atom imaging of ${}^{173}$Yb in optical tweezers loaded by a five-beam magneto-optical trap
• Optical nuclear electric resonance as single qubit gate for trapped neutral atoms
• Gallium-nitride-based interference-filter-stabilized external cavity diode laser with a surface-activated-bonded output coupler
• Differential polarizability at 1064 nm of the strontium intercombination transition
• Degenerate Rabi spectroscopy of the Floquet engineered optical lattice clock
• Ultracold collisions in the Yb-Li mixture system
• Single Sr Atoms in Optical Tweezer Arrays for Quantum Simulation
• Lasing and counter-lasing phase transitions in a cavity QED system
• Laser-cooling Cadmium Bosons and Fermions with Near Ultraviolet Triplet Excitations