Quantum computing company Rigetti claims to have halved its two-qubit gate error rate on its 84-qubit Ankaa-3. The company said it had also achieved its mid-year performance milestone of 99.5 percent ...

Rigetti announced in a press release that it had achieved a 99.5% median 2-qubit gate fidelity on its modular 36-qubit system, and a 2 times lower median 2-qubit gate error rate from the company's ...