Research Archive

Latest articles and research papers on quantum computing

Quantum Error Correction Below the Surface Code Threshold
Error Correction

Quantum Error Correction Below the Surface Code Threshold

Hartmut Neven et al., Google Quantum AI

Google's Willow chip demonstrates exponential error suppression below threshold, achieving a historic milestone in quantum error correction that was first proposed by Peter Shor in 1995.

December 2024

18 min read

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Observation of Constructive Interference at the Edge of Quantum Ergodicity
Quantum Advantage

Observation of Constructive Interference at the Edge of Quantum Ergodicity

Google Quantum AI Team

First-ever verifiable quantum advantage using Quantum Echoes algorithm on Willow chip, running 13,000x faster than classical supercomputers with applications in molecular chemistry and materials science.

October 2025

20 min read

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Continuous Operation of a Coherent 3,000-Qubit System
Neutral Atoms

Continuous Operation of a Coherent 3,000-Qubit System

Neng-Chun Chiu, Mikhail Lukin et al., Harvard University

Revolutionary neutral atom array system operating continuously for over 2 hours with 3,000+ qubits, using optical lattice conveyor belts to reload atoms at 300,000 atoms per second while maintaining quantum coherence.

September 2025

16 min read

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Light-Cone Feature Selection for Quantum Machine Learning
QML

Light-Cone Feature Selection for Quantum Machine Learning

Yudai Suzuki, Rei Sakuma, Hideaki Kawaguchi

Novel algorithm enabling feature selection for quantum machine learning on quantum data itself, not just classically encoded data, unlocking new possibilities for quantum-enhanced ML applications.

March 2025

14 min read

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Quantum Machine Learning: A Comprehensive Review of Integrating AI with Quantum Computing
QML Survey

Quantum Machine Learning: A Comprehensive Review of Integrating AI with Quantum Computing

Multiple Authors

Comprehensive survey categorizing quantum machine learning contributions, covering quantum feature mapping, circuit design, and applications in medicine, finance, and image classification with focus on noise-tolerant implementations.

April 2025

22 min read

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A Tweezer Array with 6,100 Highly Coherent Atomic Qubits
Hardware

A Tweezer Array with 6,100 Highly Coherent Atomic Qubits

Hannah J. Manetsch et al., Caltech

Record-breaking 6,100 neutral-atom qubit array demonstrating exceptional coherence and ability to move atoms while maintaining superposition, a critical step toward error-corrected quantum computers with thousands of qubits.

September 2025

15 min read

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