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Investing.com -- Rigetti Computing (NASDAQ:RGTI) stock rose 5% after the company announced it has successfully demonstrated the industry’s largest multi-chip quantum computer while achieving a significant reduction in error rates.
The quantum computing pioneer revealed it has reached its mid-year performance milestone of 99.5% median two-qubit gate fidelity on its modular 36-qubit system. This represents a halving of the median two-qubit gate error rate compared to the company’s previous best results on its 84-qubit single chip Ankaa-3 system.
The new 36-qubit system is composed of four 9-qubit chips or "chiplets" tiled together, utilizing Rigetti’s proprietary modular chip technology. This achievement marks a key step in the company’s strategy to build larger quantum computing systems.
"We benefit from the many advantages of superconducting qubits, including gate speeds more than 1,000x faster than other modalities like ion trap and pure atoms, and scalability," said Dr. Subodh Kulkarni, Rigetti CEO.
Rigetti plans to launch the 36-qubit system on August 15 and remains on track to release a 100+ qubit chiplet-based system with 99.5% median two-qubit gate fidelity before the end of 2025.
The company implemented CZ gates, which are commonly used two-qubit gates for executing quantum circuits and have equivalent computational power to iSWAP gates. Rigetti expects to share more updates when it releases its operating results for the second quarter of 2025.
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