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Search results for transmon qubit devices

Quantum Âé¶¹ÒùÔºics Jul 8, 2025

New quantum record: Transmon qubit coherence reaches millisecond threshold

On July 8, 2025, physicists from Aalto University in Finland published a transmon qubit coherence measurement in Nature Communications that dramatically surpasses previous scientifically published records. The millisecond ...

Quantum Âé¶¹ÒùÔºics Jun 12, 2025

A quantum random access memory based on transmon-controlled phonon routers

Recent technological advances have opened new exciting possibilities for the development of cutting-edge quantum devices, including quantum random access memory (QRAM) systems. These are memory architectures specifically ...

Quantum Âé¶¹ÒùÔºics Feb 28, 2025

A new approach to reduce decoherence in superconducting qudit-based quantum processors

Quantum computers, which operate leveraging quantum mechanics effects, could soon outperform traditional computers in some advanced optimization and simulation tasks. Most quantum computing systems developed so far store ...

Quantum Âé¶¹ÒùÔºics Nov 22, 2024

Scientists develop novel high-fidelity quantum computing gate

Researchers from the RIKEN Center for Quantum Computing and Toshiba have succeeded in building a quantum computer gate based on a double-transmon coupler (DTC), which had been proposed theoretically as a device that could ...

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 Sep 18, 2024

Different qubit architecture could enable easier manufacturing of quantum computer building blocks

Scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have shown that a type of qubit whose architecture is more amenable to mass production can perform comparably to qubits currently dominating ...

Quantum Âé¶¹ÒùÔºics Apr 9, 2024

Measuring improvement in the design of pulses for quantum systems

Seeking a method for reducing error in noisy quantum systems, Kajsa Williams and Louis-S. Bouchard, researchers at the Center for Quantum Science and Engineering at the University of California, Los Angeles, implemented and ...

Superconductivity Feb 12, 2024

Flowermon: A superconducting qubit based on twisted cuprate van der Waals heterostructures

Quantum technology could outperform conventional computers on some advanced optimization and computational tasks. In recent years, physicists have been working to identify new strategies to create quantum systems and promising ...

Quantum Âé¶¹ÒùÔºics Sep 13, 2023

A scalable and user-friendly platform for physicists to carry out advanced quantum experiments, cheaply

Quantum computers can solve certain computational problems much faster than ordinary computers by using specific quantum properties. The basic building blocks of such machines are called quantum-bits or qubits. Qubits can ...

Condensed Matter Aug 31, 2023

Cryogenic on-wafer prober determines quality of qubit devices for quantum computing and quantum sensing

Germany's first cryogenic measuring setup for statistical quality measurement of qubit devices on whole 200- and 300-mm wafers has started operation at Fraunhofer IAF. The on-wafer prober can characterize devices based on ...

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