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Quantum Âé¶¹ÒùÔºics Oct 30, 2024

25 km quantum network link between Dutch cities represents a key advance

An international research team led by QuTech has demonstrated a network connection between quantum processors over metropolitan distances. Their result marks a key advance from early research networks in the lab towards a ...

Quantum Âé¶¹ÒùÔºics Oct 17, 2024

Novel superconducting flux qubit can operate without being surrounded by a magnetic field

A team of computer engineers from the National Institute of Information and Communications Technology, NTT Corporation and Nagoya University have developed what they claim is the world's first superconducting flux qubit that ...

Quantum Âé¶¹ÒùÔºics Oct 16, 2024

Hybrid quantum error correction technique integrates continuous and discrete variables

A major challenge in realizing quantum computers is the development of quantum error correction technology. This technology offers a solution for addressing errors that occur in the qubit, the basic unit of quantum computation, ...

Quantum Âé¶¹ÒùÔºics Oct 15, 2024

Dual-species atomic arrays show promise for quantum error correction

A study in Nature Âé¶¹ÒùÔºics has realized a dual-species Rydberg array combining rubidium (Rb) and cesium (Cs) atoms to enhance quantum computing and its applications.

Quantum Âé¶¹ÒùÔºics Oct 14, 2024

Study explores the physical origin of errors in a spin qubit processor

To achieve remarkable performances, quantum computing systems based on multiple qubits must attain high-fidelity entanglement between their underlying qubits. Past studies have shown that solid-state quantum platforms—quantum ...

Optics & Photonics Oct 9, 2024

Quantum physicists tap into entanglement to improve the precision of optical atomic clocks

Imagine walking into a room where several different grandfather clocks hang on the walls, each ticking at a different pace. Quantum physicists at the University of Colorado Boulder and the National Institute of Standards ...

Optics & Photonics Oct 9, 2024

Quantum register reaches 1,200 neutral atoms in continuous operation

A team of physicists led by Johannes Zeiher, research group leader in Immanuel Bloch's Quantum Many-Body Systems department and co-founder of the MPQ spin-off planqc, has achieved significant progress in scaling up quantum ...

Quantum Âé¶¹ÒùÔºics Oct 4, 2024

Quantum communication: Using microwaves to efficiently control diamond qubits

In a first for Germany, researchers at the Karlsruhe Institute of Technology (KIT) have shown how tin vacancies in diamonds can be precisely controlled using microwaves. These vacancies have special optical and magnetic properties ...

Superconductivity Oct 4, 2024

Direct measurement of a subtle current phase relation shows potential for more stable superconducting qubits

In recent years, quantum physicists and engineers have made significant strides toward the development of highly performing quantum computing systems. Realizing a quantum advantage over classical computing systems and enabling ...

Quantum Âé¶¹ÒùÔºics Oct 3, 2024

Âé¶¹ÒùÔºicists achieve strong coupling of Andreev qubits via microwave resonator

Âé¶¹ÒùÔºicists from the University of Basel have succeeded in coupling two Andreev qubits coherently over a macroscopic distance for the first time. They achieved this with the help of microwave photons generated in a narrow ...

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