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Quantum Computing research

Quantum computing foundations, algorithms and programming, error correction and hardware, post-quantum security, and where the industry stands.

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523 entries

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  • Preprint
  • Not peer reviewed

Researchers report circuit tweaks cut logical errors in an IBM surface-code memory

Original title: Demonstration of Logical Error Suppression in a Surface Code Memory on a Cloud-Accessible IBM Superconducting Processor

A preprint reports that readout and reset optimisations plus added code distance reduce logical error rates on an IBM superconducting processor, though gains fade over long runs.

Shuwen Kan et al. · Added

  • Preprint
  • Not peer reviewed
  • From Embedded Customs

Researchers describe SpinControl, control software for spin-qubit quantum devices

Original title: SpinControl: Control Software for Prototyping and Benchmarking of Spin-Qubit Devices and Measurement Protocols

A preprint describes SpinControl, a Python framework for tuning, calibrating and benchmarking semiconductor spin-qubit quantum computers.

Added

  • Journal article
  • Review status unknown

Theory study models charge-noise limits and fixes for SAGE spin qubits

Original title: Singlet-only always-on gapless exchange (SAGE) spin qubits: Charge noise effects and two-qubit gates

Researchers model how charge noise affects SAGE spin qubits and report that refocusing pulses can greatly extend coherence and gate fidelity.

Nathan L. Foulk et al. · Added

  • Journal article
  • Review status unknown

Review surveys how superconducting qubits couple to mechanical and optical resonators

Original title: Fundamentals and Applications of Hybrid Electro- and Opto-mechanical system coupled to Superconducting Qubit: A Short Review

A review paper maps the physics and uses of hybrid systems linking superconducting qubits to mechanical and optical components.

Roson Nongthombam et al. · Added

  • Journal article
  • Review status unknown

Cross-platform testing tool finds 23 bugs in quantum computing platforms

Original title: IterTestQ: Assembly-Level, Cross-Platform Testing of Quantum Computing Platforms

A study presents IterTestQ, a tool that tests quantum platforms against each other and reports finding 23 bugs, 17 already fixed or confirmed.

Matteo Paltenghi et al. · Added

  • Preprint
  • Not peer reviewed
  • From QuEra Computing

Researchers propose multi-agent LLM system for quantum circuit compilation

Original title: Qubrio: High-Performance Quantum Compilation via Multi-Agent LLM Collaboration

A preprint describes Qubrio, a multi-agent LLM framework that compiles quantum circuits for neutral-atom hardware, reporting gains over a prior heuristic compiler.

Added