Trapped-Ion Quantum Computing: Progress and Challenges

Abstract

Trapped ions are among the most promising systems for practical quantum computing (QC). The basic requirements for universal QC have all been demonstrated with ions and quantum algorithms using few-ion-qubit systems have been implemented. We review the state of the field, covering the basics of how trapped ions are used for QC and their strengths and limitations as qubits. In addition, we discuss what is being done, and what may be required, to increase the scale of trapped ion quantum computers while mitigating decoherence and control errors. Finally, we explore the outlook for trapped-ion QC. In particular, we discuss near-term applications, considerations impacting the design of future systems of trapped ions, and experiments and demonstrations that may further inform these considerations.

The following article has been submitted to Applied Physics Reviews

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• Shaping photons: quantum computation with bosonic cQED
• Quantum-classical eigensolver using multiscale entanglement renormalization
• Crosstalk analysis for simultaneously driven two-qubit gates in spin qubit arrays
• Resonant light enhances phase coherence in a cavity QED simulator of fermionic superfluidity
• Enhanced-Fidelity Ultrafast Geometric Quantum Computation Using Strong Classical Drives
• QuEst: Graph Transformer for Quantum Circuit Reliability Estimation
• Depth-efficient proofs of quantumness
• Experimental realization of a 218-ion multi-qubit quantum memory
• Integrated photonic structures for photon-mediated entanglement of trapped ions
• SpinQ: Compilation strategies for scalable spin-qubit architectures
• Errors in stimulated-Raman-induced logic gates in ${}^{133}$Ba${}^{+}$
• Realization of a programmable multi-purpose photonic quantum memory with over-thousand qubit manipulations
• Implementation of quantum compression on IBM quantum computers
• Optimal scheduling in probabilistic imaginary-time evolution on a quantum computer
• A Perspective on Quantum Computing Applications in Quantum Chemistry using 25--100 Logical Qubits
• Individually Addressed Entangling Gates in a Two-Dimensional Ion Crystal
• Quantum gradient descent algorithms for nonequilibrium steady states and linear algebraic systems
• Impact of decoherence on the fidelity of quantum gates leaving the computational subspace
• Isotope-Selective Laser Ablation Ion-Trap Loading of ${}^{137}{\mathrm{Ba}}^{+}$ using a ${\mathrm{BaCl}}_2$ Target
• Trap-Integrated Superconducting Nanowire Single-Photon Detectors with Improved RF Tolerance for Trapped-Ion Qubit State Readout
• Nonlinear Domain Engineering for Quantum Technologies
• Metasurface for programmable quantum algorithms with quantum and classical light
• Dynamic Cooling on Contemporary Quantum Computers
• Long-range-enhanced surface codes
• Investigations on Dynamical Stability in 3D Quadrupole Ion Traps
• Preparation for Quantum Simulation of the 1+1D O(3) Non-linear σ-Model using Cold Atoms
• Quantum entanglement of ions for light dark matter detection
• Validating quantum-supremacy experiments with exact and fast tensor network contraction
• SimuQ: A Framework for Programming Quantum Hamiltonian Simulation with Analog Compilation
• Fundamental thresholds of realistic quantum error correction circuits from classical spin models
• A quantum-classical co-processing protocol towards simulating nuclear reactions on contemporary quantum hardware
• On the effects of biased quantum random numbers on the initialization of artificial neural networks
• Practical randomness amplification and privatisation with implementations on quantum computers
• Fourier Transform Noise Spectroscopy
• Boosted Ensembles of Qubit and Continuous Variable Quantum Support Vector Machines for B Meson Flavour Tagging
• VECSEL systems for quantum information processing with trapped beryllium ions
• Heat flow and noncommutative quantum mechanics in phase-space
• Ultracold ion-atom experiments: cooling, chemistry, and quantum effects
• High-Accuracy Determination of Paul-Trap Stability Parameters for Electric-Quadrupole-Shift Prediction
• Quantum computing through the lens of control: A tutorial introduction
• Optimizing Quantum Algorithms on Bipotent Architectures
• Genuine multipartite entanglement in a one-dimensional Bose-Hubbard model with frustrated hopping
• Numerical optimization of amplitude-modulated pulses in microwave-driven entanglement generation
• Dissipative Quantum Chaos unveiled by Stochastic Quantum Trajectories
• Compiling Arbitrary Single-Qubit Gates Via the Phase-Shifts of Microwave Pulses
• Electromagnetically-Induced-Transparency Cooling of High-Nuclear-Spin Ions
• Quantum computing with subwavelength atomic arrays
• Fast and robust particle shuttling for quantum science and technology
• Local disclosure of quantum memory in non-Markovian dynamics
• Optimizing Variational Quantum Algorithms with qBang: Efficiently Interweaving Metric and Momentum to Navigate Flat Energy Landscapes
• Indistinguishability-enhanced entanglement recovery by spatially localized operations and classical communication
• Entanglement enhancement induced by noise in inhomogeneously monitored systems
• Extending the self-discharge time of Dicke quantum batteries using molecular triplets
• Coherence properties of highly-excited motional states of a trapped ion
• Resource analysis of quantum algorithms for coarse-grained protein folding models
• Quasienergy operators and generalized squeezed states for systems of trapped ions
• Building a Quantum Engineering Undergraduate Program
• Noisy quantum amplitude estimation without noise estimation
• $i$-QER: An Intelligent Approach towards Quantum Error Reduction
• Hybrid discrete-continuous compilation of trapped-ion quantum circuits with deep reinforcement learning
• Limits of noisy quantum metrology with restricted quantum controls
• Comparative study of quantum error correction strategies for the heavy-hexagonal lattice
• Improving Transmon Qudit Measurement on IBM Quantum Hardware
• Systematic Analysis of Crystalline Phases in Bosonic Lattice Models with Algebraically Decaying Density-Density Interactions
• Efficient High-Fidelity Flying Qubit Shaping
• Analog information decoding of bosonic quantum LDPC codes
• A micro-optical module for multi-wavelength addressing of trapped ions
• Validating phase-space methods with tensor networks in two-dimensional spin models with power-law interactions
• Signal processing techniques for efficient compilation of controlled rotations in trapped ions
• Synthetic ${\mathbb{Z}}_2$ gauge theories based on parametric excitations of trapped ions
• Universal Robust Geometric Quantum Control via Geometric Trajectory Correction
• Extending the reach of quantum computing for materials science with machine learning potentials
• Optimal realization of Yang-Baxter gate on quantum computers
• Quantum-machine-assisted Drug Discovery
• Strong-coupling quantum logic of trapped ions
• High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register
• Agents for self-driving laboratories applied to quantum computing
• Increase of barium ion-trap lifetime via photodissociation
• Near-term Efficient Quantum Algorithms for Entanglement Analysis
• Third-order exceptional point in an ion-cavity system
• SU(2) Symmetry of Coherent Photons and Application to Poincaré Rotator
• Scatter-Gather DMA Performance Analysis within an SoC-based Control System for Trapped-Ion Quantum Computing
• On the Quantum Performance Evaluation of Two Distributed Quantum Architectures
• Continuous-time dynamics and error scaling of noisy highly-entangling quantum circuits
• Nonadiabatic geometric quantum gates with on-demand trajectories
• Low-temperature environments for quantum computation and quantum simulation
• Quantum Error Mitigation via Quantum-Noise-Effect Circuit Groups
• The fastest generation of multipartite entanglement with natural interactions
• In situ detection of RF breakdown on microfabricated surface ion traps
• Trapped-ion Fock state preparation by potential deformation
• High-Order Qubit Dephasing at Sweet Spots by Non-Gaussian Fluctuators: Symmetry Breaking and Floquet Protection
• Indirect Cooling of Weakly Coupled Trapped-Ion Mechanical Oscillators
• Realistic simulation of quantum computation using unitary and measurement channels
• Universal unitary transfer of continuous-variable quantum states into a few qubits
• Individual-Ion Addressing and Readout in a Penning Trap
• Dynamics of vortex defect formation in two dimensional Coulomb crystals
• Robustness of controlled Hamiltonian approaches to unitary quantum gates
• Nonunitary Gate Operations by Dissipation Engineering
• Quantum cellular automata for quantum error correction and density classification
• Ion native variational ansatz for quantum approximate optimization
• Code switching revisited: Low-overhead magic state preparation using color codes
• Toward Mixed Analog-Digital Quantum Signal Processing: Quantum AD/DA Conversion and the Fourier Transform
• Quantum Zeno Effect in Noisy Integrable Quantum Circuits for Impurity Models
• FragQC: An Efficient Quantum Error Reduction Technique using Quantum Circuit Fragmentation
• Hybrid integrated near UV lasers using the deep-UV Al2O3 platform
• Nondestructive dispersive imaging of rotationally excited ultracold molecules
• Cross-Platform Verification in Quantum Networks
• Dissipative stabilization of entangled qubit pairs in quantum arrays with a single localized dissipative channel
• Ab-initio tree-tensor-network digital twin for quantum computer benchmarking in 2D
• Quantum Volume for Photonic Quantum Processors
• Linear Cross Entropy Benchmarking with Clifford Circuits
• Energy-band echoes: Time-reversed light emission from optically driven quasiparticle wavepackets
• Fabrication of Surface Ion Traps with Integrated Current Carrying Wires enabling High Magnetic Field Gradients
• Quantum search degeneration under amplitude noise in queries to the oracle
• Preparing students for the quantum information revolution: Interdisciplinary teaching, curriculum development, and advising in quantum information science and engineering
• Quantum Simulation of the Two-Dimensional Weyl Equation in a Magnetic Field
• Trapped-Ion Entangling Gates Robust Against Qubit Frequency Errors
• Perfect state transfer on hypercubes and its implementation using superconducting qubits
• On connectivity-dependent resource requirements for digital quantum simulation of $d$-level particles
• RF-induced heating dynamics of non-crystallized trapped ions
• Benchmarking bosonic modes for quantum information with randomized displacements
• Quantum process tomography of a Mølmer-Sørensen gate via a global beam
• A ship-in-a-bottle quantum gas microscope setup for magnetic mixtures
• Spectral features of polaronic excitations in a superconducting analog simulator
• beSnake: A routing algorithm for scalable spin-qubit architectures
• Shortcuts to adiabaticity in superconducting circuits for fast multi-partite state generation
• Individual Addressing and State Readout of Trapped Ions Utilizing Radio-Frequency Micromotion
• An Integrated Photon-Pair Source with Monolithic Piezoelectric Frequency Tunability
• Pairwise Measurement Induced Synthesis of Quantum Coherence
• Dynamics of van der Waals Charge Qubit in 2D Bilayers: Ab initio Quantum Transport and Qubit Measurement
• Comparison of Spontaneous Emission in Trapped Ion Multiqubit Gates at High Magnetic Fields
• Fidelity-dissipation relations in quantum gates
• Floquet Analysis of Frequency Collisions
• Enhancing a Near-Term Quantum Accelerator's Instruction Set Architecture for Materials Science Applications
• Quantum Dynamics Simulation of the Advection-Diffusion Equation
• Cooperative engineering the multiple radio-frequency fields to reduce the X-junction barrier for ion trap chips
• Superconducting Quantum Simulation for Many-Body Physics beyond Equilibrium
• Roadmap on Integrated Quantum Photonics
• Time-optimal transfer of the quantum state in long qubit arrays
• Quantum error correction for long chains of trapped ions
• Lift-Connected Surface Codes
• Bespoke Pulse Design for Robust Rapid Two-Qubit Gates with Trapped Ions
• A Fully Fiber-Integrated Ion Trap for Portable Optical Atomic Clocks
• Suppressing Decoherence in Quantum Plasmonic Systems by Spectral Hole Burning Effect
• Laser Scheme for Doppler Cooling of the Hydroxyl Cation (OH${}^{+}$)
• Growth and Spectroscopy of Lanthanide Doped Y${}_2$SiO${}_5$ Microcrystals for Quantum Information Processing
• Red-QAOA: Efficient Variational Optimization through Circuit Reduction
• Low-excitation transport and separation of high-mass-ratio mixed-species ion chains
• Measurement and feed-forward correction of the fast phase noise of lasers
• Photon-mediated entanglement scheme between a ZnO semiconductor defect and a trapped Yb ion
• Three-laser coherent population trapping in a multi-lambda system: theory, experiment and applications
• Sideband thermometry of ion crystals
• Secure authentication via Quantum Physical Unclonable Functions: a review
• High-fidelity two-qubit quantum logic gates in a trapped-ion chain using axial motional modes
• Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems
• Sculpting bosonic states with arithmetic subtractions
• Zeno physics of the Ising chain with symmetry-breaking boundary dephasing
• Dephasing-tolerant quantum sensing for transverse magnetic fields with spin qudits
• Singular Euler-Maclaurin expansion on multidimensional lattices
• Quantifying Entanglement in Cluster States Built with Error-Prone Interactions
• Characterization of overparametrization in the simulation of realistic quantum systems
• Geometric phase gates in dissipative quantum dynamics
• Experimental realization of direct entangling gates between dual-type qubits
• Many-Body Anderson Metal-Insulator Transition using Kicked Quantum Gases
• Semiconductor-based electron flying qubits: Review on recent progress accelerated by numerical modelling
• Atomic fluorescence collection into planar photonic devices
• Two-photon Interface of Nuclear Spins Based on the Opto-Nuclear Quadrupolar Effect
• Vector Properties of Entanglement in a Three-Qubit System
• Properties of phonon modes of ion trap quantum computer in the Aubry phase
• Scalability Challenges in Variational Quantum Optimization under Stochastic Noise
• Femtosecond laser written waveguides in sapphire for visible light delivery
• Micromotion compensation of trapped ions by qubit transition and direct scanning of dc voltages
• The deformed Inozemtsev spin chain
• Mitigating Quantum Gate Errors for Variational Eigensolvers Using Hardware-Inspired Zero-Noise Extrapolation
• High-precision tomography of ion qubits based on registration of fluorescent photons
• Threading an atom with light
• Precise many-body calculations and hyperfine interaction effect on dynamic polarizabilities at the low-lying energy levels of Y${}^{2+}$
• Dynamical excitation control and multimode emission of an atom-photon bound state
• Shallow quantum circuits for efficient preparation of Slater determinants and correlated states on a quantum computer
• Uniting Quantum Processing Nodes of Cavity-coupled Ions with Rare-earth Quantum Repeaters Using Single-photon Pulse Shaping Based on Atomic Frequency Comb
• Graph-Theoretic Approach to Quantum Error Correction
• Using gradient-based algorithms to determine ground state energies on a quantum computer
• Density Matrix Renormalization Group Study of Domain Wall Qubits
• A Comparison of Calcium Sources for Ion-Trap Loading via Laser Ablation
• Entanglement structures in disordered chains of nitrogen-vacancy centers
• Fast quantum gate design with deep reinforcement learning using real-time feedback on readout signals
• The Role of Quantum Computing in Advancing Scientific High-Performance Computing: A perspective from the ADAC Institute
• Protective measurement of open quantum systems
• Quantum control for the Zeno effect with noise
• Space-time correlations in monitored kinetically constrained discrete-time quantum dynamics
• Quantum annealer accelerates the variational quantum eigensolver in a triple-hybrid algorithm
• Nuclear Electric Resonance for Spatially-Resolved Spin Control via Pulsed Optical Excitation in the UV-Visible Spectrum
• Heralding entangled optical photons from a microwave quantum processor
• Efficient entanglement purification based on noise guessing decoding
• Assessing the potential of perfect screw dislocations in SiC for solid-state quantum technologies
• Integrated-Photonics-Based Systems for Polarization-Gradient Cooling of Trapped Ions
• Majorana modes in trapped-ion system and their Floquet engineering
• Enhancement of vibrationally assisted energy transfer by proximity to exceptional points, probed by fluorescence-detected vibrational spectroscopy
• Transmission based tomography for spin qubits
• Fermionic quantum computation with Cooper pair splitters
• Nanoscale addressing and manipulation of neutral atoms using electromagnetically induced transparency
• Sequential and Programmable Squeezing Gates for Optical Non-Gaussian Input States
• Critical Quantum Sensing: a tutorial on parameter estimation near quantum phase transitions
• An Integrated Bell-State Analyzer on a Thin Film Lithium Niobate Platform
• Optimal linear optical discrimination of Bell-like states
• Error-budgeting for a controlled-phase gate with strontium-88 Rydberg atoms
• Methods for Classically Simulating Noisy Networked Quantum Architectures
• Test and characterization of multilayer ion traps on fused silica
• Emergence of $X$ states in a quantum impurity model
• Local quantum overlapping tomography
• Optimized surface ion trap design for tight confinement and separation of ion chains
• Generally noise-resilient quantum gates for trapped-ions
• Noise-aware variational eigensolvers: a dissipative route for lattice gauge theories
• A simplified Mølmer-Sørensen gate for the trapped ion quantum computer
• Dynamical nuclear polarization for dissipation-induced entanglement in NV centers
• Quantum Sensing Using Atomic Clocks for Nuclear and Particle Physics
• Correcting noisy quantum gates with shortcuts to adiabaticity
• Multi-agent blind quantum computation without universal cluster states
• Hardware-efficient quantum phase estimation via local control
• Cold atom-ion systems in radiofrequency multipole traps: event-drive molecular dynamics and stochastic simulations
• Universal framework for simultaneous tomography of quantum states and SPAM noise
• Quantum simulation of weak-field light-matter interactions
• Ultrafast coherent excitation of an Ytterbium ion with single laser pulses
• Straddling-gates problem in multipartite quantum systems
• Preparing pure ${}^{43}$Ca${}^{+}$ samples in an ion trap with photoionization and parametric excitations
• In-situ characterization of qubit drive-phase distortions
• S-QGPU: Shared Quantum Gate Processing Unit for Distributed Quantum Computing
• Probing high-frequency gravitational waves with entangled vibrational qubits in linear Paul traps
• Long-range Ising interactions mediated by $\lambda {\varphi }^4$ fields: probing the renormalisation of sound in crystals of trapped ions
• Certifying Multilevel Coherence in the Motional State of a Trapped Ion
• Adaptive Random Quantum Eigensolver
• Octave Spanning Visible to SWIR Integrated Coil-Stabilized Brillouin Lasers
• Multithreaded parallelism for heterogeneous clusters of QPUs
• Mitigating noise of residual electric fields for single Rydberg atoms with electron photodesorption
• Harnessing Quantum Computing for Energy Materials: Opportunities and Challenges
• A nanoparticle stored with an atomic ion in a linear Paul trap
• Deterministic preparation of a dual-species two-ion crystal
• Simulating electronic structure on bosonic quantum computers
• Reverse quantum annealing assisted by forward annealing
• Improving trapped-ion-qubit memories via code-mediated error-channel balancing
• Quantum coherence of a long-lifetime exciton-polariton condensate
• Far from Perfect: Quantum Error Correction with (Hyperinvariant) Evenbly Codes
• Simulation of a Three-Nucleons System Transition on Quantum Circuits
• Sub-shot-noise sensitivity via superpositions of two deformed kitten states
• Bose-like few-fermion systems
• Development of a bipolar 50 V output digital-to-analog converter system for ion-shuttling operations
• Quantum Annealing with chaotic driver Hamiltonians
• Method for noise-induced regularization in quantum neural networks
• Tailoring Dynamical Codes for Biased Noise: The X${}^3$Z${}^3$ Floquet Code
• Optimal control with a multidimensional quantum invariant
• Engineering an Effective Three-spin Hamiltonian in Trapped-ion Systems for Applications in Quantum Simulation
• Building Bridges in Quantum Information Science Education: Expert Insights to Guide Framework Development for Interdisciplinary Teaching and Evolution of Common Language
• Do we have a quantum computer? Expert perspectives on current status and future prospects
• Photonic variational quantum eigensolver for NISQ-compatible quantum technology
• Thermodynamics of autonomous optical Bloch equations
• Spin-flip induced superfluidity in a ring of spinful hard-core bosons
• Dynamics of measurement-induced state transitions in superconducting qubits
• The role of higher-order terms in trapped-ion quantum computing with magnetic gradient induced coupling
• Integer Programming Using A Single Atom
• A recipe for local simulation of strongly-correlated fermionic matter on quantum computers: the 2D Fermi-Hubbard model
• Heat rectification, heat fluxes, and spectral matching
• High-speed and high-connectivity two-qubit gates in long chains of trapped ions
• Spin and electronic excitations in $4f$ atomic chains on Au(111) substrates
• Digital Quantum Simulation of Scalar Yukawa Coupling
• Lindblad-like quantum tomography for non-Markovian quantum dynamical maps
• Benchmarking the performance of a high-Q cavity qudit using random unitaries
• Trapped-ion laser cooling in structured light fields
• Quantum Computing Beyond Ground State Electronic Structure: A Review of Progress Toward Quantum Chemistry Out of the Ground State
• Efimov Effect in Long-range Quantum Spin Chains
• Impact of micromotion and field-axis misalignment on the excitation of Rydberg states of ions in a Paul trap
• Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor
• Energy diffusion in the long-range interacting spin systems
• Assessment of valley coherence in a high-quality monolayer molybdenum diselenide
• Unconventional Thermalization of a Localized Chain Interacting with an Ergodic Bath
• Speeding Up Quantum Measurement Using Space-Time Trade-Off
• An Energy Estimation Benchmark for Quantum Computers
• Superconducting surface trap chips for microwave-driven trapped ions
• Quantum simulations of complex systems
• Quantum hyperspins: Highly nonclassical collective behavior in quantum optical parametric oscillators
• Comparing Quantum Service Offerings
• Optimal dynamical stabilization
• Variational quantum algorithms with invariant probabilistic error cancellation on noisy quantum processors
• Fast Mølmer-Sørensen gates in trapped-ion quantum processors with compensated carrier transition
• Colossal Cryogenic Electro-Optic Response Through Metastability in Strained BaTiO${}_3$ Thin Films
• Error-Resilient Fast Entangling Gates for Scalable Ion-Trap Quantum Processors
• Nonlinear-enhanced wideband sensing via subharmonic excitation of a quantum harmonic oscillator
• Solitonic Andreev spin qubits from Andreev states in Corbino Josephson junctions
• Quantum state tomography as a numerical optimization problem
• Electric Field Distortions in Surface Ion Traps with Integrated Nanophotonics
• Neural network enhanced cross entropy benchmark for monitored circuits
• Adaptive random compiler for Hamiltonian simulation
• Quantum Rabi interferometry of motion and radiation
• Clock Transitions Generated by Defects in Silica Glass
• Thermal transport through a single trapped ion under strong laser illumination
• Enhancing Coherence with a Clock Transition and Dynamical Decoupling in the Cr${}_7$Mn Molecular Nanomagnet
• Individual addressing of ion qubits with counter-propagating optical frequency combs
• Quantum error correction in a time-dependent transverse field Ising model
• Quantum Zeno Dynamics of Two Interacting Particles
• Universal quantum computation and quantum error correction with ultracold atomic mixtures
• Thermal masses and trapped-ion quantum spin models: a self-consistent approach to Yukawa-type interactions in the $\lambda {\varphi }^4$ model
• Skyrmionic qubits stabilized by Dzyaloshinskii-Moriya interaction as platforms for qubits and quantum gates
• Learning out-of-time-ordered correlators with classical kernel methods
• Thermoelectricity modeling with cold dipole atoms in Aubry phase of optical lattice
• Universal Bound States in Long-range Spin Chains with an Impurity
• Doubly-ionized lanthanum as a qubit candidate for quantum networks
• Error estimation of different schemes to measure spin-squeezing inequalities
• Optimal sampling of tensor networks targeting wave function's fast decaying tails
• Quantum simulation of entanglement dynamics in a quantum processor
• Ion-Based Characterization of Laser Beam Profiles for Quantum Information Processing
• Implementing Finite Impulse Response Filters on Quantum Computers
• Binary Quantum Control Optimization with Uncertain Hamiltonians
• Scalable chip-based 3D ion traps
• Ion counting and temperature determination of Coulomb-crystallized laser-cooled ions in traps using convolutional neural networks
• Hyperfine spectroscopy of optical-cycling transitions in singly ionized thulium
• State-insensitive wavelengths for light shifts and photon scattering from Zeeman states
• Removal of high-voltage-induced surface charges by ultraviolet light
• Compressed sensing enhanced by quantum approximate optimization algorithm
• Quantum correlation generation capability of experimental processes
• Frequency stabilization via interference between transmitted and reflected lights from a reference cavity
• Quantum fidelity kernel with a trapped-ion simulation platform
• Universal Relations in Long-range Quantum Spin Chains
• Benchmarking Dual-Polarization Silicon Nitride Photonic Integrated Circuits for Trapped-Ion Quantum Technologies
• Novel permanent magnet array geometries for scalable trapped-ion quantum computing in a laser-free entanglement architecture
• Data-Efficient Quantum Noise Modeling via Machine Learning
• Theory of Electron Spin Resonance Scanning Tunneling Microscopy: The First Decade
• Toward quantum interconnects featuring nanometer-to-picometer bandwidth compression and THz-range quantum frequency conversion
• Quantum advantage in a unified scenario and secure detection of resources
• From Independent to Joint: Enhancing Quantum Phase and Correlation Factor Estimation by Squeezed Reservoir Engineering
• Optimizing Compilation for Distributed Quantum Computing via Clustering and Annealing
• Designing gate operations for single ion quantum computing in rare-earth-ion-doped crystals
• Ptychographic estimation of pure multiqubit states in a quantum device
• Multiplexed bi-layered realization of fault-tolerant quantum computation over optically networked trapped-ion modules
• Simulating Bell inequalities with Qibo
• Work Statistics and Quantum Trajectories: No-Click Limit and non-Hermitian Hamiltonians
• Benchmarking fault-tolerant quantum computing hardware via QLOPS
• Ion-Trap Chip Architecture Optimized for Implementation of Quantum Error-Correcting Code
• Super Moiré Domain Tessellations, Sliding Ferroelectricity, and Reconfigurable Quantum Dot Arrays in Twisted Trilayer Hexagonal Boron Nitride
• Long-ranged gates in quantum computation architectures with limited connectivity
• Tunable transverse spin-motion coupling for quantum information processing
• Digital quantum simulation of squeezed states via enhanced bosonic encoding in a superconducting quantum processor
• Benchmarking quantum devices beyond classical capabilities
• Distribution of Non-Locality On Quantum Random Circuits
• Effective non-local parity-dependent couplings in qubit chains
• Surface-induced decoherence and heating of charged particles
• Emergent Berezinskii-Kosterlitz-Thouless deconfinement in super-Coulombic plasmas
• Soft information decoding with superconducting qubits
• Phonon- and magnon-mediated decoherence of a magnonic qubit
• Quantum Routing and Entanglement Dynamics Through Bottlenecks
• Perfect revivals of Rabi oscillations and hybrid Bell states in a trapped ion
• Line search by quantum logic spectroscopy enhanced with squeezing and statistical tests
• Protective measurement of a qubit by a qubit probe
• Entanglemons: Cross-platform protected qubits from entanglement
• PHOENIX: Pauli-Based High-Level Optimization Engine for Instruction Execution on NISQ Devices
• Electric field dissociation of weakly bound molecular ions
• Structural encoding with classical codes for computational-basis bit-flip correction in the early fault-tolerant regime
• Hierarchical Fusion Method for Scalable Quantum Eigenstate Preparation
• An Accessible Planar Charged Particle Trap for Experiential Learning in Quantum Technologies
• Non-abelian Geometric Quantum Energy Pump
• Zero-Noise Extrapolation via Cyclic Permutations of Quantum Circuit Layouts
• Fluctuation-guided adaptive random compiler for Hamiltonian simulation
• Quantum Pattern Recognition in Photonic Circuits
• Ion-atom two-qubit quantum gate based on phonon blockade
• Characterization and cancellation of power-line-induced motional-mode frequency noise in a trapped-ion system