The system is currently performing at a 99.1% median two-qubit gate fidelity with a gate speed of ~60 ns and a 99.9% median single-gate fidelity. Rigetti is releasing Cepheus-1-108Q now in response to ...

Quantum hardware is starting to hit a wall that has little to do with flashy new qubit designs and everything to do with how precisely those qubits are tuned. As devices scale, tiny errors in charge ...

A compact microwave-photon detector built from a semiconductor double quantum dot and a superconducting cavity could sharpen ...

Quantum vendors and national agencies are aligning to establish common standards for logical qubits, which should enable ...

French quantum computing startup Alice & Bob SAS today announced a significant advancement in cat qubit technology to reduce errors in quantum computers. Named after the Schrödinger’s cat thought ...

The partnership with Nobel laureate John Martinis showcases a new generation of robust, scalable superconducting qubits designed for real-world quantum computing BOSTON, Dec. 2, 2025 /PRNewswire/ -- ...

Rigetti's $5.48 million project with academic partners aims to enhance qubit performance through novel chip fabrication techniques. Rigetti Computing has announced a $5.48 million grant from the Air ...

We are delighted that USask has selected a Rigetti Novera QPU for their quanTA Centre and congratulate them on this exciting new phase of quantum technology exploration and innovation,” says Dr.

As a result, IonQ is a fantastic quantum computing investment, but investors need to keep an eye on its progress and its lead ...

A new leap in quantum technology is changing how scientists keep qubits—quantum computing’s building blocks—ready for work. Researchers have created a tiny refrigerator that can cool qubits to lower ...

RGTI reports up to 99.9% two-qubit gate fidelity at 28-ns speed and advances chiplet architecture for scalable quantum ...

A joint research team between the Center for Quantum Information and Quantum Biology (QIQB) at The University of Osaka and ...