Low-rank Hessian optimization enables rapid closed-loop calibration of optimal-control gates, demonstrated on an amplitude-robust CZ gate on 171Yb qubits reaching 0.99902(7) fidelity after postselection.
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Neutral atom platform achieves repeated toric code syndrome extraction with qubit reloading, preserving logical information over 90 cycles and showing distance-dependent logical error suppression.
Demonstrates intra-tweezer Rydberg blockade for microsecond-scale single-atom preparation in 171Yb, reducing multi-atom probability to 1% in 64.8 μs with 58% retention or 75% filling fraction.
A new definition of quantum computer energy efficiency is introduced and applied to five major qubit platforms, yielding concrete consumption estimates for current systems and a benchmarking framework for future architectures.
Proposes dual ³P₀/³P₂ metastable encoding in ¹⁷¹Yb atoms to separate storage and fast-operation qubits with coherent shelving for single-species fault-tolerant neutral-atom quantum computing.
A trapped-ion architecture based on LDPC codes and cat-state factories achieves 110 logical qubits and one million T gates per day using 2514 physical qubits, with estimates for Heisenberg model simulation on 100 sites in one month using 10000 qubits.
A 4 K cryogenic tweezers system with dual-wavelength trapping produces defect-free arrays of 1024 atoms and 5000 s lifetimes for Rydberg quantum computing.
A divide-and-conquer algorithm decomposes atom reconfiguration into three 1D shuttling tasks, enabling O(sqrt N) total transportation cost and reliable solutions via the Gale-Ryser theorem for arbitrary geometries.
EIT cooling with fluorescence imaging achieves 99.7% readout fidelity and 98.2% survival for 87Rb atom arrays in 2.3 G fields, validated up to 10 G.
Demonstrates continuous high-rate reloading and coherent maintenance of a >3,000-atom neutral-atom qubit array for >2 hours using optical lattice conveyors without disturbing stored qubits.
A framework with operational criteria and a trapped-atom hardware proposal for achieving statistically significant quantum advantage in latency-constrained nonlocal games.
citing papers explorer
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High-fidelity neutral atom gates leveraging low-rank Hessian optimization
Low-rank Hessian optimization enables rapid closed-loop calibration of optimal-control gates, demonstrated on an amplitude-robust CZ gate on 171Yb qubits reaching 0.99902(7) fidelity after postselection.
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Quantum error correction with the toric code
Neutral atom platform achieves repeated toric code syndrome extraction with qubit reloading, preserving logical information over 90 cycles and showing distance-dependent logical error suppression.
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Fast single-atom preparation in optical tweezers via Rydberg blockade
Demonstrates intra-tweezer Rydberg blockade for microsecond-scale single-atom preparation in 171Yb, reducing multi-atom probability to 1% in 64.8 μs with 58% retention or 75% filling fraction.
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Energy efficiency of quantum computers
A new definition of quantum computer energy efficiency is introduced and applied to five major qubit platforms, yielding concrete consumption estimates for current systems and a benchmarking framework for future architectures.
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A Dual Metastable-State Encoding Architecture for Quantum Processing with $^{171}\mathrm{Yb}$ Atom Arrays
Proposes dual ³P₀/³P₂ metastable encoding in ¹⁷¹Yb atoms to separate storage and fast-operation qubits with coherent shelving for single-species fault-tolerant neutral-atom quantum computing.
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Fault-Tolerant Quantum Computing with Trapped Ions: The Walking Cat Architecture
A trapped-ion architecture based on LDPC codes and cat-state factories achieves 110 logical qubits and one million T gates per day using 2514 physical qubits, with estimates for Heisenberg model simulation on 100 sites in one month using 10000 qubits.
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Defect-free arrays at the thousand-atom scale in a 4-K cryogenic environment
A 4 K cryogenic tweezers system with dual-wavelength trapping produces defect-free arrays of 1024 atoms and 5000 s lifetimes for Rydberg quantum computing.
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Square-root Time Atom Reconfiguration Plan for Lattice-shaped Mobile Tweezers
A divide-and-conquer algorithm decomposes atom reconfiguration into three 1D shuttling tasks, enabling O(sqrt N) total transportation cost and reliable solutions via the Gale-Ryser theorem for arbitrary geometries.
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Loading and Imaging Atom Arrays via Electromagnetically Induced Transparency
EIT cooling with fluorescence imaging achieves 99.7% readout fidelity and 98.2% survival for 87Rb atom arrays in 2.3 G fields, validated up to 10 G.
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Continuous operation of a coherent 3,000-qubit system
Demonstrates continuous high-rate reloading and coherent maintenance of a >3,000-atom neutral-atom qubit array for >2 hours using optical lattice conveyors without disturbing stored qubits.
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Operational criteria for quantum advantage in latency-constrained nonlocal games
A framework with operational criteria and a trapped-atom hardware proposal for achieving statistically significant quantum advantage in latency-constrained nonlocal games.