Semiconductor Spin Qubits

Abstract

The spin degree of freedom of an electron or a nucleus is one of the most basic properties of nature and functions as an excellent qubit, as it provides a natural two-level system that is insensitive to electric fields, leading to long quantum coherence times. We review the physics of semiconductor spin qubits, focusing not only on the early achievements of spin initialization, control, and readout in GaAs quantum dots, but also on recent advances in Si and Ge spin qubits, including improved charge control and readout, coupling to other quantum degrees of freedom, and scaling to larger system sizes. We begin by introducing the four major types of spin qubits: single spin qubits, donor spin qubits, singlet-triplet spin qubits, and exchange-only spin qubits. We then review the mesoscopic physics of quantum dots, including single-electron charging, valleys, and spin-orbit coupling. We next give a comprehensive overview of the physics of exchange interactions, a crucial resource for single- and two-qubit control in spin qubits. The bulk of this review is centered on the presentation of results from each major spin qubit type, the present limits of fidelity, and a brief overview of alternative spin qubit platforms. We then give a physical description of the impact of noise on semiconductor spin qubits, aided in large part by an introduction to the filter function formalism. Lastly, we review recent efforts to hybridize spin qubits with superconducting systems, including charge-photon coupling, spin-photon coupling, and long-range cavity-mediated spin-spin interactions. Cavity-based readout approaches are also discussed. This review is intended to give an appreciation for the future prospects of semiconductor spin qubits, while highlighting the key advances in mesoscopic physics over the past two decades that underlie the operation of modern quantum-dot and donor spin qubits.

arXiv commentRev. Mod. Phys. - Corrections and comments welcome

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• Single-spin qubits in isotopically enriched silicon at low magnetic field
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• Orbital and spin relaxation in single and coupled quantum dots
• Electrical manipulation of semiconductor spin qubits within the g-matrix formalism
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• High fidelity state preparation, quantum control, and readout of an isotopically enriched silicon spin qubit
• Adiabatic Gate Teleportation
• Spin-orbit Interactions for Singlet-Triplet Qubits in Silicon
• Valley dependent anisotropic spin splitting in silicon quantum dots
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• A logical qubit in a linear array of semiconductor quantum dots
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• Flopping-mode electric dipole spin resonance
• A silicon singlet-triplet qubit driven by spin-valley coupling
• Spin-valley blockade in carbon nanotube double quantum dots
• A natural heavy-hole flopping mode qubit in germanium
• Coupling of three-spin qubits to their electric environment
• Benchmarking high fidelity single-shot readout of semiconductor qubits
• Valley splittings in Si/SiGe quantum dots with a germanium spike in the silicon well
• Extreme Harmonic Generation in Electrically Driven Spin Resonance
• Tuning methods for semiconductor spin--qubits
• Optimal dispersive readout of a spin qubit with a microwave resonator
• Exchange-based two-qubit gate for singlet-triplet qubits
• Harnessing the GaAs quantum dot nuclear spin bath for quantum control
• Detuning Axis Pulsed Spectroscopy of Valley-Orbital States in Si/SiGe Quantum Dots
• Exchange Control of Nuclear Spin Diffusion in a Double Quantum Dot
• Efficient orthogonal control of tunnel couplings in a quantum dot array
• Microwave detection of electron-phonon interactions in a cavity-coupled double quantum dot
• Controllable exchange coupling between two singlet-triplet qubits
• Qubit relaxation from evanescent-wave Johnson noise
• Simultaneous Operations in a Two-Dimensional Array of Singlet-Triplet Qubits
• High Fidelity Single-Shot Singlet-Triplet Readout of Precision Placed Donors in Silicon
• Conditional control of donor nuclear spins in silicon using Stark shifts
• A two-dimensional array of single-hole quantum dots
• Semi-classical model for the dephasing of a two-electron spin qubit coupled to a coherently evolving nuclear spin bath
• Symmetric Operation of the Resonant Exchange Qubit
• Negative spin exchange in a multielectron quantum dot
• First-principles hyperfine tensors for electrons and holes in GaAs and silicon
• The asymmetric resonant exchange qubit under the influence of electrical noise
• Coherence of a driven electron spin qubit actively decoupled from quasi-static noise
• Exchange coupling in a linear chain of three quantum-dot spin qubits in silicon
• Controllable freezing of the nuclear spin bath in a single-atom spin qubit
• A quadrupolar exchange-only spin qubit
• Two-spin dephasing by electron-phonon interaction in semiconductor double quantum dots
• Parametric longitudinal coupling between a high-impedance superconducting resonator and a semiconductor quantum dot singlet-triplet spin qubit
• Long-Distance Superexchange between Semiconductor Quantum-Dot Electron Spins
• Long-distance entangling gates between quantum dot spins mediated by a superconducting resonator
• Emergence of the strong tunable linear Rashba spin-orbit coupling of two-dimensional hole gases in semiconductor quantum
• Strong photon coupling to the quadrupole moment of an electron in solid state
• Readout Of Singlet-Triplet Qubits At Large Magnetic Field Gradients
• Circuit-quantum electrodynamics with direct magnetic coupling to single-atom spin qubits in isotopically enriched 28Si
• Coherent multi-spin exchange coupling in a quantum-dot spin chain
• Spin-flip phonon-mediated charge relaxation in double quantum dots
• Coherent spin-valley oscillations in silicon
• Spin-orbit coupling and anisotropic exchange in two-electron double quantum dots
• Microscopic models for charge-noise-induced dephasing of solid-state qubits
• Electron spin relaxation of single phosphorus donors in metal-oxide-semiconductor nanoscale devices
• Detection and measurement of the Dzyaloshinskii-Moriya interaction in double quantum dot systems
• Superexchange blockade in triple quantum dots
• Filter function formalism beyond pure dephasing and non-Markovian noise in singlet-triplet qubits
• Spin digitizer for high-fidelity readout of a cavity-coupled silicon triple quantum dot
• Effect of an inhomogeneous external magnetic field on a quantum dot quantum computer
• Long distance coupling of resonant exchange qubits
• Dephasing of Si singlet-triplet qubits due to charge and spin defects
• Spin filling of a quantum dot derived from excited-state spectroscopy
• High-fidelity gate set for exchange-coupled singlet-triplet qubits
• Hyperfine-Induced Decay in Triple Quantum Dots
• Six-electron semiconductor double quantum dot qubits
• The exchange-only singlet-only spin qubit
• Spin-Blockade Spectroscopy of Si/SiGe Quantum Dots
• Even-Odd Effects of Heisenberg Chains on Long-range Interaction and Entanglement
• Few-hole double quantum dot in an undoped GaAs/AlGaAs heterostructure
• Robust Two-Qubit Gates for Exchange-Coupled Qubits
• Pauli Blockade in a Few-Hole PMOS Double Quantum Dot limited by Spin-Orbit Interaction
• Magnetic Gradient Fluctuations from Quadrupolar ${}^{73}$Ge in Si/SiGe Exchange-Only Qubits
• Probing the Spatial Variation of the Inter-Valley Tunnel Coupling in a Silicon Triple Quantum Dot
• Tomography of a spin qubit in a double quantum dot
• Measurements of strongly-anisotropic g-factors for spins in single quantum states
• Nuclear Dynamics During Landau-Zener Singlet-Triplet Transitions in Double Quantum Dots
• Switching between relaxation hotspots and coldspots in disordered spin qubits
• Two-electron states of a group V donor in silicon from atomistic full configuration interaction
• A many-electron tight binding method for the analysis of quantum dot systems
• Probing the Quantum States of a Single Atom Transistor at Microwave Frequencies
• Resonant Exchange Operation in Triple-Quantum-Dot Qubits for Spin-Photon Transduction
• Ambipolar quantum dots in intrinsic silicon
• Floquet-Enhanced Spin Swaps
• Universal quantum computing with correlated spin-charge states
• Using the J1-J2 Quantum Spin Chain as an Adiabatic Quantum Data Bus
• Spin entangled state transfer in quantum dot arrays: Coherent adiabatic and speed-up protocols
• Full configuration interaction simulations of exchange-coupled donors in silicon using multi-valley effective mass theory
• Coherent transport of spin by adiabatic passage in quantum dot arrays
• Transport of Spin Qubits with Donor Chains under Realistic Experimental Conditions
• Fast long-range state transfer in quantum dot arrays via shortcuts to adiabaticity
• Exchange coupling in semiconductor nanostructures: Validity and limitations of the Heitler-London approach
• Negative exchange interactions in coupled few-electron quantum dots
• Ultra-shallow quantum dots in an undoped GaAs/AlGaAs 2D electron gas
• Control of the Two-Electron Exchange Interaction in a Nanowire Double Quantum Dot
• Towards hybrid circuit quantum electrodynamics with quantum dots
• Validity of the single-particle description and charge noise resilience for multielectron quantum dots
• Reliability of the Heitler-London approach for the exchange coupling between electrons in semiconductor nanostructures
• Exact CNOT Gates with a Single Nonlocal Rotation for Quantum-Dot Qubits
• Programmable two-qubit gates in capacitively coupled flopping-mode spin qubits
• Dissipative Long-Range Entanglement Generation between Electronic Spins
• Theory of barrier vs tilt exchange gate operations in spin-based quantum computing
• Nuclear spin readout in a cavity-coupled hybrid quantum dot-donor system
• Magnetic gradient free two axis control of a valley spin qubit in SiGe
• Preparation of Non-equilibrium Nuclear Spin States in Double Quantum Dots
• The theory of coherent dynamic nuclear polarization in quantum dots
• High-precision real-space simulation of electrostatically-confined few-electron states
• Interplay of exchange and superexchange in triple quantum dots
• A Simple Derivation of the Fong-Wandzura Pulse Sequence
• Valley filtering and spatial maps of coupling between silicon donors and quantum dots
• Coherent long-range transfer of two-electron states in ac-driven triple quantum dots
• Quadrupolar Effects on Nuclear Spins of Neutral Arsenic Donors in Silicon
• All-electrical universal control of a double quantum dot qubit in silicon MOS
• Induced quantum dot probe for material characterization
• Driven nonlinear dynamics of two coupled exchange-only qubits
• Optimal control of a cavity-mediated iSWAP gate between silicon spin qubits
• Extended orbital modeling of spin qubits in double quantum dots
• Direct measurement of electron intervalley relaxation in a Si/SiGe quantum dot
• Extracting inter-dot tunnel couplings between few donor quantum dots in silicon
• Visualization of Acoustic Power Flow in Suspended Thin-film Lithium Niobate Phononic Devices
• Approximate exchange-only entangling gates for the three-spin-$1/2$ decoherence-free subsystem
• Efficient Two-Qubit Pulse Sequences Beyond CNOT
• Entanglement dynamics of two Ising-coupled qubits with nonperpendicular local driving fields
• Improving quantum gate fidelities using optimized Euler angles
• Two-qubit sweet spots for capacitively coupled exchange-only spin qubits

Cited by in corpus (313)

• Colloquium: Quantum Batteries
• Probing single electrons across 300 mm spin qubit wafers
• Benchmarking a trapped-ion quantum computer with 30 qubits
• Roadmap towards Majorana qubits and nonabelian physics in quantum dot-based minimal Kitaev chains
• Operating semiconductor quantum processors with hopping spins
• Noise-correlation spectrum for a pair of spin qubits in silicon
• Hole spin driving by strain-induced spin-orbit interactions
• Two-qubit logic between distant spins in silicon
• Integrating Quantum Computing Resources into Scientific HPC Ecosystems
• Universal control of four singlet-triplet qubits
• A 300 mm foundry silicon spin qubit unit cell exceeding 99% fidelity in all operations
• Quantifying the effect of gate errors on variational quantum eigensolvers for quantum chemistry
• Strong coupling between a microwave photon and a singlet-triplet qubit
• Strong tunable coupling between two distant superconducting spin qubits
• Grover's algorithm in a four-qubit silicon processor above the fault-tolerant threshold
• A gate tunable transmon qubit in planar Ge
• Optical single-shot readout of spin qubits in silicon
• Spin-orbit proximity in MoS${}_2$/bilayer graphene heterostructures
• Braiding-based quantum control of a Majorana qubit built from quantum dots
• A singlet-triplet hole-spin qubit in MOS silicon
• Toward a 2D Local Implementation of Quantum LDPC Codes
• Hybrid Oscillator-Qubit Quantum Processors: Instruction Set Architectures, Abstract Machine Models, and Applications
• Bounds to electron spin qubit variability for scalable CMOS architectures
• Utilizing multimodal microscopy to reconstruct Si/SiGe interfacial atomic disorder and infer its impacts on qubit variability
• Spin-valley locking for in-gap quantum dots in a MoS2 transistor
• High-fidelity two-qubit gates of hybrid superconducting-semiconducting singlet-triplet qubits
• Strong hole-photon coupling in planar Ge for probing charge degree and strongly-correlated states
• Microwave spectroscopy of interacting Andreev spins
• Quantum Batteries: A Materials Science Perspective
• Tailoring quantum error correction to spin qubits
• Spin-Valley Protected Kramers Pair in Bilayer Graphene
• Strategies for enhancing spin-shuttling fidelities in Si/SiGe quantum wells with random-alloy disorder
• Coupled superconducting spin qubits with spin-orbit interaction
• Linear-in-momentum spin orbit interactions in planar Ge/GeSi heterostructures and spin qubits
• Fermion-parity qubit in a proximitized double quantum dot
• Superconducting routing platform for large-scale integration of quantum technologies
• High-fidelity spin qubit shuttling via large spin-orbit interaction
• Emergence and Dynamical Stability of Charge Time-Crystal in a Current-Carrying Quantum Dot Simulator
• Bichromatic Rabi Control of Semiconductor Qubits
• Geometry of the dephasing sweet spots of spin-orbit qubits
• Real-time two-axis control of a spin qubit
• Towards early fault tolerance on a 2$\times$N array of qubits equipped with shuttling
• Tomography of entangling two-qubit logic operations in exchange-coupled donor electron spin qubits
• Spin squeezing in an ensemble of nitrogen-vacancy centers in diamond
• Characterization of individual charge fluctuators in Si/SiGe quantum dots
• Classification and magic magnetic-field directions for spin-orbit-coupled double quantum dots
• Quantum algorithms for scientific computing
• A quantum dot in germanium proximitized by a superconductor
• Coherent control of a triangular exchange-only spin qubit
• Cavity-mediated entanglement of parametrically driven spin qubits via sidebands
• Microwave-frequency scanning gate microscopy of a Si/SiGe double quantum dot
• Exploiting epitaxial strained germanium for scaling low noise spin qubits at the micron-scale
• Quantum Wigner molecules in moiré materials
• Electrical operation of hole spin qubits in planar MOS silicon quantum dots
• Spin-valley locked excited states spectroscopy in a one-particle bilayer graphene quantum dot
• Compromise-Free Scaling of Qubit Speed and Coherence
• Rabi and Ramsey oscillations of a Majorana qubit in a quantum dot-superconductor array
• Entangling Schrödinger's cat states by bridging discrete- and continuous-variable encoding
• Coupling conduction-band valleys in SiGe heterostructures via shear strain and Ge concentration oscillations
• Decoherence induced by a sparse bath of two-level fluctuators: peculiar features of $1/f$ noise in high-quality qubits
• Spin-degeneracy breaking and parity transitions in three-terminal Josephson junctions
• Coulomb interaction-driven entanglement of electrons on helium
• Scalable Atomic Arrays for Spin-Based Quantum Computers in Silicon
• Decay-protected superconducting qubit with fast control enabled by integrated on-chip filters
• Spectroscopic measurements and models of energy deposition in the substrate of quantum circuits by natural ionizing radiation
• Materials for Quantum Technologies: a Roadmap for Spin and Topology
• Neural network based deep learning analysis of semiconductor quantum dot qubits for automated control
• Understanding disorder in Silicon quantum computing platforms: Scattering mechanisms in Si/SiGe quantum wells
• Many-body entropies and entanglement from polynomially-many local measurements
• Coherent interaction of a-few-electron quantum dot with a terahertz optical resonator
• Observation of spin-electric transitions in a molecular exchange qubit
• Quantum Vibronic Effects on the Excitation Energies of the Nitrogen-Vacancy Center in Diamond
• Hardware-Tailored Diagonalization Circuits
• Valley splitting depending on the size and location of a silicon quantum dot
• Dynamically corrected gates in silicon singlet-triplet spin qubits
• Improved placement precision of implanted donor spin qubits in silicon using molecule ions
• Dynamically Generated Decoherence-Free Subspaces and Subsystems on Superconducting Qubits
• Coupled vertical double quantum dots at single-hole occupancy
• Data needs and challenges for quantum dot devices automation
• Improving Transmon Qudit Measurement on IBM Quantum Hardware
• Efficient High-Fidelity Flying Qubit Shaping
• Analog information decoding of bosonic quantum LDPC codes
• Wigner-molecule supercrystal in transition-metal dichalcogenide moiré superlattices: Lessons from the bottom-up approach
• Agents for self-driving laboratories applied to quantum computing
• Fingerprints of Qubit Noise in Transient Cavity Transmission
• Flopping-mode electron dipole spin resonance in the strong-driving regime
• Nonergodic measurements of qubit frequency noise
• Analysis and mitigation of residual exchange coupling in linear spin qubit arrays
• Broadband CPW-based impedance-transformed Josephson parametric amplifier
• Extended Hubbard model describing small multi-dot arrays in bilayer graphene
• Supercurrent through an Andreev trimer
• Asymmetries of thermal processes in open quantum systems
• Scalable entanglement of nuclear spins mediated by electron exchange
• Modular Autonomous Virtualization System for Two-Dimensional Semiconductor Quantum Dot Arrays
• Single-step high-fidelity three-qubit gates by anisotropic chiral interactions
• Theory of Valley Splitting in Si/SiGe Spin-Qubits: Interplay of Strain, Resonances and Random Alloy Disorder
• Nuclear Spin Engineering for Quantum Information Science
• Small but large: Single organic molecules as hybrid platforms for quantum technologies
• Physics-informed tracking of qubit fluctuations
• Fully autonomous tuning of a spin qubit
• Continuous microwave photon counting by semiconductor-superconductor hybrids
• Flying Spin Qubits in Quantum Dot Arrays Driven by Spin-Orbit Interaction
• Exchange interaction between two quantum dots coupled through a superconducting island
• Near-Term Spin-Qubit Architecture Design via Multipartite Maximally-Entangled States
• Impact of electrostatic crosstalk on spin qubits in dense CMOS quantum dot arrays
• Temporally correlated quantum noise in driven quantum systems
• High temperature spin selectivity in a quantum dot qubit using reservoir spin accumulation
• Compressed gate characterization for quantum devices with time-correlated noise
• Switching spin filling sequence in a bilayer graphene quantum dot through trigonal warping
• Passive and active suppression of transduced noise in silicon spin qubits
• Spin-Orbit Interaction Enabled High-Fidelity Two-Qubit Gates
• Autonomous Bootstrapping of Quantum Dot Devices
• Floquet Analysis of Frequency Collisions
• Charge states, triple points and quadruple points in an InAs nanowire triple quantum dot revealed by an integrated charge sensor
• Decoherence of electron spin qubit during transfer between two semiconductor quantum dots at low magnetic fields
• Coherent Driving of a Single Nitrogen Vacancy Center by a Resonant Magnetic Tunnel Junction
• Subgap states in semiconductor-superconductor devices for quantum technologies: Andreev qubits and minimal Majorana chains
• Entangling distant systems via universal nonadiabatic passage
• Coherent errors in stabilizer codes caused by quasistatic phase damping
• Computational Electromagnetics Meets Spin Qubits: Controlling Noise Effects in Quantum Sensing and Computing
• Unified linear response theory of quantum electronic circuits
• Microsecond-lived quantum states in a carbon-based circuit driven by cavity photons
• Wideband Coherent Microwave Conversion via Magnon Nonlinearity in Hybrid Quantum System
• Path integral simulation of exchange interactions in CMOS spin qubits
• The origins of noise in the Zeeman splitting of spin qubits in natural-silicon devices
• Time-crystalline behavior in central-spin models with Heisenberg interactions
• Electric dipole spin resonance in single and two electron quantum dot defined in two-dimensional electron gas at the SrTiO${}_3$/LaAlO${}_3$ interface
• Automation of Quantum Dot Measurement Analysis via Explainable Machine Learning
• A photonic which-path entangler based on longitudinal cavity-qubit coupling
• Electrically Tunable Fine Structure of Negatively Charged Excitons in Gated Bilayer Graphene Quantum Dots
• Cryogenic Optical-to-Microwave Conversion Using Si Photonic Integrated Circuit Ge Photodiodes
• Theory of charge stability diagrams in coupled quantum dot qubits
• Highly tunable 2D silicon quantum dot array with coupling beyond nearest neighbors
• Quantum geometric protocols for fast high-fidelity adiabatic state transfer
• Coherence of an Electronic Two-Level System under Continuous Charge Sensing by a Quantum Dot Detector
• Valley Splitting Correlations Across a Silicon Quantum Well Containing Germanium
• Topological Spin Textures Enabling Quantum Transmission
• SUPER and femtosecond spin-conserving coherent excitation of a tin-vacancy color center in diamond
• Leveraging Off-the-Shelf Silicon Chips for Quantum Computing
• Floquet-engineered diode performance in a Majorana-quantum dot Josephson junction
• Electronic Wigner-Molecule Polymeric Chains in Elongated Silicon Quantum Dots and Finite-Length Quantum Wires
• Optimal operation of hole spin qubits
• Toward Axion Signal Extraction in Semiconductor Spin Qubits Via Spectral Engineering
• Entangling color centers via magnon-antimagnon pair creation
• Quantum estimation and remote charge sensing with a hole-spin qubit in silicon
• A spinless spin qubit
• Swapping Floquet time crystal
• Proposal for a nonadiabatic geometric gate with an Andreev spin qubit
• Quantum spin probe of single charge dynamics
• Fermionic quantum computation with Cooper pair splitters
• The Role of Quantum Computing in Advancing Scientific High-Performance Computing: A perspective from the ADAC Institute
• YSR Bond Qubit in a Double Quantum Dot with cQED Operation
• Quantum control for the Zeno effect with noise
• Compiling the surface code to crossbar spin qubit architectures
• All rf-based tuning algorithm for quantum devices using machine learning
• Braiding Majoranas in a linear quantum dot-superconductor array: Mitigating the errors from Coulomb repulsion and residual tunneling
• Mitigation of exchange cross-talk in dense quantum dot arrays
• Longitudinal coupling between electrically driven spin-qubits and a resonator
• A 2x2 quantum dot array in silicon with fully tuneable pairwise interdot coupling
• Quasi-Perfect State Transfer in Spin Chains via Parametrization of On-Site Energies
• Experimental online quantum dots charge autotuning using neural networks
• Entangled Photon-Pair Emission in Waveguide Circuit QED from a Cooper Pair Splitter
• Stabilizing an individual charge fluctuator in a Si/SiGe quantum dot
• Annual-modulation fingerprint of the axion wind induced sideband triplet in quantum dot spin qubit sensors
• Approximate inverse measurement channel for shallow shadows
• Dispersive readout of a silicon quantum device using an atomic force microscope-based rf gate sensor
• Quantum Computation by Spin Parity Measurements with Encoded Spin Qubits
• Interacting holes in a gated WSe${}_2$ quantum channel: valley correlations and zigzag Wigner crystal
• Fast transport and splitting of spin-orbit-coupled spin-1 Bose-Einstein Condensates
• Erasure conversion for singlet-triplet spin qubits enables high-performance shuttling-based quantum error correction
• Coherent exchange-coupled nonlocal Kondo impurities
• The formation of a nuclear-spin dark state in silicon
• Quantum decoherence dynamics in stochastically fluctuating environments
• Differentiable master equation solver for quantum device characterisation
• Scalable Parity Architecture With a Shuttling-Based Spin Qubit Processor
• Efficient adaptive Bayesian estimation of a slowly fluctuating Overhauser field gradient
• Minimal evolution times for fast, pulse-based state preparation in silicon spin qubits
• Theory of superconducting proximity effect in hole-based hybrid semiconductor-superconductor devices
• Many-Body Entanglement in Solid-State Emitters
• Nonvolatile Cryogenic Phase Slip Memory with Single-Shot Readout
• Fast, Accurate, and Local Temperature Control Using Qubits
• Flux-Tunable Hybridization in a Double Quantum Dot Interferometer
• QDarts: A Quantum Dot Array Transition Simulator for finding charge transitions in the presence of finite tunnel couplings, non-constant charging energies and sensor dots
• Polarimetry With Spins in the Solid State
• QDsim: A user-friendly toolbox for simulating large-scale quantum dot devices
• Envelope-function theory of inhomogeneous strain in semiconductor nanostructures
• Characterization of Tunnel Diode Oscillator for Qubit Readout Applications
• Interface engineering of van der Waals heterostructures towards energy-efficient quantum devices operating at high temperatures
• Tailoring Dynamical Codes for Biased Noise: The X${}^3$Z${}^3$ Floquet Code
• Suppressing Si Valley Excitation and Valley-Induced Spin Dephasing for Long-Distance Shuttling
• Protecting coherence from the environment via Stark many-body localization in a Quantum-Dot Simulator
• Electrical readout of spins in the absence of spin blockade
• Resonator-mediated quantum gate between distant charge qubits
• A dressed singlet-triplet qubit in germanium
• Multi-qubit DC gates over an inhomogeneous array of quantum dots
• Robust quantum dots charge autotuning using neural network uncertainty
• Theory of the Simultaneous Transient Dispersive Readout of Multiple Spin Qubits
• Automatic detection of single-electron regime of quantum dots and definition of virtual gates using U-Net and clustering
• Singlet-only Always-on Gapless Exchange Qubits with Baseband Control
• Automated in situ optimization and disorder mitigation in a quantum device
• Quantum hyperspins: Highly nonclassical collective behavior in quantum optical parametric oscillators
• Electrical Interconnects for Silicon Spin Qubits
• Entanglement Generation and Stabilization by Coherent Collisions
• Photodriven germanium hole qubit
• Ab initio modelling of quantum dot qubits: Coupling, gate dynamics and robustness versus charge noise
• Hilbert Space Fragmentation and Subspace Scar Time-Crystallinity in Driven Homogeneous Central-Spin Models
• Digital Quantum Simulation of Spin Transport
• Measurement-Based Entanglement of Semiconductor Spin Qubits
• Out-of-equilibrium nonlinear model of thermoelectricity in superconducting tunnel junctions
• A SWAP Gate for Spin Qubits in Silicon
• Correcting on-chip distortion of control pulses with silicon spin qubits
• Spin-photon interaction in a nanowire quantum dot with asymmetrical confining potential
• Cancelling second order frequency shifts in Ge hole spin qubits via bichromatic control
• Assessing quantum dot SWAP gate fidelity using tensor network methods
• Second Quantization: Gating a Quantum Dot Through the Sequential Removal of Single Electrons from a Nanoscale Floating Gate
• Current noise in quantum dot thermoelectric engines
• Exact quantum dynamics for two-level systems with time-dependent driving
• Effective tuning methods for few-electron regime in gate-defined quantum dots
• Hole spin splitting in a Ge quantum dot with finite barriers
• Kinetic inductance coupling for circuit QED with spins
• Exact diagonalization study of double quantum dots in parallel geometry in zero-bandwidth limit
• Limitations of the $g$-tensor formalism of semiconductor spin qubits
• Quantum Error Correction Assisted Axion Search in CMOS Spin Qubit Arrays
• Heavy-hole spin relaxation in quantum dots: Isotropic versus anisotropic effects
• Acoustic phonons, spin-phonon coupling and spin relaxation via the lattice reorientation mechanism in hexagonal germanium nanowires
• Bootstrapping, autonomous testing, and initialization system for Si/Si${}_x$Ge${}_{1-x}$ multi-quantum-dot devices
• Long-range spin transport in asymmetric quadruple quantum dots configurations
• The effects of alloy disorder on strongly-driven flopping mode qubits in Si/SiGe
• Dressed basis sets for the modeling of exchange interactions in double quantum dots
• Overcoming limitations on gate fidelity in noisy static exchange-coupled surface qubits
• Study of Magnetic Field Resilient High Impedance High-Kinetic Inductance Superconducting Resonators
• Skyrmionic qubits stabilized by Dzyaloshinskii-Moriya interaction as platforms for qubits and quantum gates
• Protecting entanglement witnesses with randomized measurements
• Steady-state entanglement of spin qubits mediated by nonreciprocal and chiral magnons
• Quantum decoherence of nitrogen-vacancy spin ensembles in a nitrogen spin bath in diamond under dynamical decoupling
• Micromagnet-free operation of electron spin qubits in Si/Si${}_{1-x}$Ge${}_x$ vertical double quantum dots
• Shot-noise reduction for lattice Hamiltonians
• Hexagonal boron nitride/bilayer graphene moiré superlattices in the Dirac-material family: energy-band engineering and carrier doping by dual gating
• Ising spin-1/2 XXZ chain's quantum problems beyond the spinon paradigm
• Commercial CMOS Process for Quantum Computing: Quantum Dots and Charge Sensing in a 22 nm Fully Depleted Silicon-on-Insulator Process
• Model validation and error attribution for a drifting qubit
• Towards Utilizing Scanning Gate Microscopy as a High-Resolution Probe of Valley Splitting in Si/SiGe Heterostructures
• Predictive tracking of the NV Center based on external temperature sensors
• Giant Rabi frequencies between qubit and excited hole states in silicon quantum dots
• Proposed Five-Electron Charge Quadrupole Qubit
• Direct measurement of spin-flip rates in single-electron tunneling
• Numerically exact quantum dynamics with tensor networks: Predicting the decoherence of interacting spin systems
• Impact of Parallel Gating on Gate Fidelities in Linear, Square, and Star Arrays of Noisy Flip-Flop Qubits
• Omnidirectional shuttling to avoid valley excitations in Si/SiGe quantum wells
• Protected quantum gates using qubit doublons in dynamical optical lattices
• Quantum gates in coupled quantum dots controlled by coupling modulation
• Universal dissipators for driven open quantum systems and the correction to linear response
• Implementing Finite Impulse Response Filters on Quantum Computers
• Simulating decoherence of two coupled spins using the generalized cluster correlation expansion
• Overhead in Quantum Circuits with Time-Multiplexed Qubit Control
• Decoherence and fidelity enhancement during shuttling of entangled spin qubits
• Measuring pulse heating in Si quantum dots with individual two-level fluctuators
• Andreev spin qubit protected by Franck-Condon blockade
• Quantum computation with hybrid parafermion-spin qubits
• High Impedance Granular Aluminum Ring Resonators
• Spin-qubit readout analysis based on a hidden Markov model
• Control of threshold voltages in Si/SiGe quantum devices via optical illumination
• Negative exchange interaction in Si quantum dot arrays via valley-phase induced ${\mathbb{Z}}_2$ gauge field
• Soft information decoding with superconducting qubits
• Reproducibility and variability in commercial SiC MOSFETs at deep-cryogenic temperatures
• Robust Tripartite Entanglement Generation via Correlated Noise in Spin Qubits
• Jenga-Krotov algorithm: Efficient compilation of multi-qubit gates for exchange-only qubits
• Limitations on the maximal level of entanglement of two singlet-triplet qubits in GaAs quantum dots
• Floquet Engineering Clock Transitions in Magnetic Molecules
• Optimal Work Extraction from Finite-Time Closed Quantum Dynamics
• Tailoring the resonant spin response of a stirred polariton condensate
• Learning mixed quantum states in large-scale experiments
• Color it, Code it, Cancel it: k-local dynamical decoupling from classical additive codes
• Resonant tunneling and quantum interference of a two-spin system in silicon tunnel FETs
• Artificial versus Natural Atoms: The uncanny capability of the many-body Schrödinger equation to produce emergent behavior
• Comparison of spin-qubit architectures for quantum error-correcting codes
• Phonon- and magnon-mediated decoherence of a magnonic qubit
• Radio-frequency charge detection on graphene electron-hole double quantum dots
• QDFlow: A Python package for physics simulations of quantum dot devices
• Spin-photon coupling using circular double quantum dots
• Robust shaped pulses for arrays of superconducting or semiconductor spin qubits with fixed Ising coupling
• Robust iSWAP gates for semiconductor spin qubits with local driving
• Switchable spin-photon coupling with hole spins in single-quantum dots
• Non-abelian Geometric Quantum Energy Pump
• Dispersive detection of single microwave photons with quantum dots
• Efficient Random Phase Approximation for Diradicals
• Phonon-induced frequency shift in semiconductor spin qubits
• Quantifying electron-nuclear spin entanglement dynamics in central-spin systems using one-tangles
• Synthesis of Energy-Conserving Quantum Circuits with XY interaction
• Super Moiré Domain Tessellations, Sliding Ferroelectricity, and Reconfigurable Quantum Dot Arrays in Twisted Trilayer Hexagonal Boron Nitride
• Beyond spin-1/2: Multipolar spin-orbit coupling in noncentrosymmetric crystals with time-reversal symmetry
• Numerical simulation of coherent spin-shuttling in a QuBus with charged defects
• Spin-photon Qubits for Scalable Quantum Network
• Fermionic Averaged Circuit Eigenvalue Sampling
• Spin qubit shuttling between coupled quantum dots with inhomogeneous Landé g-tensors
• Exact Multi-Valley Envelope Function Theory of Valley Splitting in Si/SiGe Nanostructures
• Measuring and correcting nanosecond pulse distortions in quantum-dot spin qubits
• Using near-flat-band electrons for read-out of molecular spin qubit entangled states
• Four-state discrimination for a pair of spin qubits via gate reflectometry
• Digital-Controlled Method of Conveyor-Belt Spin Shuttling in Silicon for Large-Scale Quantum Computation
• Photon-mediated entanglement between spin qubits beyond the dispersive regime
• Ellipticity-Controlled Bright-Dark Coherence Transition in Monolayer WSe2
• Triplet-assisted leakage during singlet-triplet qubit readout with a quantum point contact
• Nanoscale stray fields from micromagnets for optimal spin qubit architecture
• Robust composite two-qubit gates for silicon-based spin qubits
• Feedforward suppression of readout-induced faults in quantum error correction
• Dynamical nuclear spin polarization in a quantum dot with an electron spin driven by electric dipole spin resonance
• Heating Dynamics of Mesoscopic Electron Baths at High Magnetic Field
• Wide Electrical Tunability of the Valley Splitting in a Doubly gated Silicon-on-Insulator Quantum Well
• Entanglemons: Cross-platform protected qubits from entanglement
• Efficient quantum simulation for translationally invariant systems
• Quantum entanglement response to pulsed gate modulation
• Non-Markovian Noise in Symmetry-Preserving Quantum Dynamics