Search results for transmon qubit devices

Quantum Physics 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 ...

Condensed Matter Sep 2, 2021

Materials for superconducting qubits

The connection between microscopic material properties and qubit coherence are not well understood despite practical evidence that material imperfections present an obstacle to applications of superconducting qubits. In a ...

Quantum Physics Sep 15, 2022

Double-transmon coupler will realize faster, more accurate superconducting quantum computers

Researchers at Toshiba Corporation have achieved a breakthrough in quantum computer architecture: the basic design for a double-transmon coupler that will improve the speed and accuracy of quantum computation in tunable couplers. ...

Condensed Matter Jan 27, 2023

How silicides impact the performance of transmon qubits

Just as the sound of a guitar depends on its strings and the materials used for its body, the performance of a quantum computer depends on the composition of its building blocks. Arguably the most critical components are ...

Superconductivity Jul 27, 2022

An alternative superconducting qubit achieves high performance for quantum computing

Quantum computers, devices that exploit quantum phenomena to perform computations, could eventually help tackle complex computational problems faster and more efficiently than classical computers. These devices are commonly ...

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 ...

Nanophysics Nov 30, 2021

Shrinking qubits for quantum computing with atom-thin materials

For quantum computers to surpass their classical counterparts in speed and capacity, their qubits—which are superconducting circuits that can exist in an infinite combination of binary states—need to be on the same wavelength. ...

Quantum Physics May 6, 2022

In balance: Quantum computing needs the right combination of order and disorder

Research conducted within the Cluster of Excellence "Matter and Light for Quantum Computing" (ML4Q) has analyzed cutting-edge device structures of quantum computers to demonstrate that some of them are indeed operating dangerously ...

Superconductivity Apr 29, 2022

High coherence and low cross-talk in a superconducting qubit architecture

In a new report now published in Science Advances, Peter A. Spring and a team of scientists in physics at the Oxford University described qubit coherence and low cross-talk and single-qubit gate errors in superconducting ...

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