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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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  • Journal article
  • Review status unknown

Researchers propose chip design for tunable squeezed light and single photons

Original title: Periodically poled thin-film lithium niobate ring Mach Zehnder coupling interferometer as an efficient quantum source of light

A study proposes a thin-film lithium niobate device that researchers say can generate both squeezed light and high-purity single photons on one chip.

Mrinmoy Kundu et al. · Added · Released Aug 2024

  • Journal article
  • Review status unknown
  • From Equal1 Laboratories

Researchers report silicon spin qubits working at higher temperatures than before

Original title: Persistence of Entangled States and High Fidelity Quantum Gate Operations in Si/SiGe Spin Qubits at High Temperature

A study of SiGe spin qubits reports high-fidelity single- and two-qubit operations up to 750 mK, the warmest yet reported for this platform.

Added · Released Mar 2026

  • Journal article
  • Peer reviewed

Study maps readout sweet spots for spin-orbit qubits using charge sensing

Original title: Readout sweet spots for spin qubits with strong spin-orbit interaction

Researchers model how charge-sensor back-action degrades spin qubit readout and locate configurations closest to ideal measurement.

Domonkos Svastits et al. · Added · Released Mar 2026

  • Journal article
  • Review status unknown

Theory study shows extra microwave tones can cut crosstalk in multiplexed qubit control

Original title: Active interference suppression in frequency-division-multiplexed quantum gates via off-resonant microwave tones

Researchers propose adding off-resonant microwave tones to suppress interference in frequency-multiplexed qubit control, reporting infidelity falling with more tones.

Haruki Mitarai et al. · Added · Released Jun 2026