January 19, 2025
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The Tweezer Team at Durham University and their experimental apparatus. From left: Dr. Daniel Ruttley, Prof. Simon Cornish, Dr. Alexander Guttridge, and Mr. Tom Hepworth. Credit: Durham University
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Scientists Achieve Record-Breaking Entanglement with Magic-Wavelength Tweezers

Quantum entanglement is a remarkable phenomenon where two particles become interconnected, so that the state of one instantly affects the other, no matter how far apart they are. This unique property is a cornerstone of quantum computing and a range of advanced technological applications. While entanglement has been achieved with atoms, achieving it with complex molecules is a significant step forward because molecules offer additional structures and properties, such as vibration and rotation, that can be leveraged in advanced quantum applications.

Australia

Antimony Atom Brings Schrödinger’s Cat to Life

UNSW researchers have achieved a significant breakthrough in quantum computing by implementing the Schrödinger’s cat thought experiment using an antimony atom, as published in Nature Physics. Led by Professor Andrea Morello, the team developed a […]

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Data needs and challenges for quantum dot devices automation

npj Quantum Information, Published online: 31 October 2024; doi:10.1038/s41534-024-00878-x Gate-defined quantum dots are a promising candidate system for realizing scalable, coupled qubit systems and serving as a fundamental building block for quantum computers. However, present-day […]

Germany

Quantum simulators show resilience to errors

Theorists at the Max Planck Institute of Quantum Optics have made a significant stride in the field of quantum computing. Their research addresses a long-standing question: can quantum computers really outperform classical computers in solving […]

Schematic representation of a spin-photon-based quantum processor consisting of six optically coupled quantum registers
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Major development successes in diamond spin photon quantum computers

Lower cooling requirements, longer operating times, lower error rates: Quantum computers based on spin photons and diamond promise significant advantages over competing quantum computing technologies. The consortium of the BMBF project SPINNING coordinated by Fraunhofer […]

robust projective measurement through measuring code-inspired observables
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Robust projective measurements through measuring code-inspired observables

npj Quantum Information, Published online: 26 October 2024; doi:10.1038/s41534-024-00904-y Robust projective measurements through measuring code-inspired observables Quantum measurements are ubiquitous in quantum information processing tasks, but errors can render their outputs unreliable. Here, researchers present […]

Photo (Paderborn University, Hennig/Mazhiqi): Scientists at Paderborn University have for the first time used high-performance computing (on the right in the picture the Paderborn supercomputer Noctua) to analyse a quantum photonics experiment on a large scale.
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Quantum experiments and high-performance computing

Scientists have used high-performance computing at large scales to analyze a quantum photonics experiment. In specific terms, this involved the tomographic reconstruction of experimental data from a quantum detector. Read More Quantum Computers News — […]

Germany

Flux attachment for bosons on a lattice

Flux attachment provides a powerful conceptual framework for understanding certain forms of topological order, including most notably the fractional quantum Hall effect. Despite its ubiquitous use as a theoretical tool, directly realizing flux attachment in […]

New benchmark helps solve the hardest quantum problems
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New benchmark helps solve the hardest quantum problems

Predicting the behavior of many interacting quantum particles is a complicated process but is key to harness quantum computing for real-world applications. Researchers have developed a method for comparing quantum algorithms and identifying which quantum […]

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