NPL, the UK's National Metrology Institute (NMI), plays a central role in providing accurate and trusted measurement across ...
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Can Rigetti's 99.9% fidelity enable large-scale quantum systems?
Rigetti Computing RGTI is making meaningful strides in addressing one of quantum computing’s toughest constraints, fidelity.
In early April 2026, Rigetti Computing announced the general availability of its Cepheus-1-108Q system, a 108-qubit modular quantum computer accessible via Rigetti Quantum Cloud Services and Amazon ...
Rigetti Computing has released its 108 qubit modular quantum system, Cepheus-1-108Q, for general availability. The system is ...
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Can RGTI's 108-qubit Cepheus launch accelerate quantum advantage push?
Rigetti Computing RGTI recently announced the general availability of its 108-qubit quantum system, Cepheus-1-108Q, marking a ...
Intel Capital is among the backers of Israeli quantum computing startup Q-Factor, which has just raised $24 million of seed funding in pursuit of a million-qubit system based around cooled neutral ...
Working at nanoscale dimensions, billionths of a meter in size, a team of scientists revealed a new way to measure high-speed fluctuations in magnetic materials. Knowledge obtained by these new ...
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 ...
Another major quantum computing record has been broken, and by a considerable margin: physicists have now built an array containing 6,100 qubits, the largest of its type and way above the thousand or ...
Rigetti's new record was only done in an R&D setting. There are other companies with better results than Rigetti. That kind ...
The spin-off company ParityQC has implemented the largest quantum Fourier transform ever reported using an IBM quantum ...
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