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Scientists crack 3-qubit quantum register on a tiny silicon photonic chip
Quantum engineers have now demonstrated a fully controllable three‑qubit register on a silicon photonic chip, turning a ...
Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, ...
Most quantum companies use a superconducting approach. However, IonQ instead uses a trapped ion approach. Trapped ion is more ...
IonQ also set a world record for 2-qubit gate performance, a measure of accuracy and speed for quantum systems. The company ...
DARPA's HARQ program aims to enable different qubit types to work together, addressing the limitations of single-architecture ...
Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique ...
The MarketWatch News Department was not involved in the creation of this content. The partnership with Nobel laureate John Martinis showcases a new generation of robust, scalable superconducting ...
Rosenblatt Securities began coverage of quantum computing stocks Rigetti Computing (RGTI) and Quantum Computing (QUBT) with ...
Rigetti Computing 's ( RGTI 0.48%) stock closed at a record high of $56.34 per share on Oct. 15, 2025. That marked a 6,850% ...
We might be witnessing the start of a new computing era where AI, cloud and quantum begin to converge in ways that redefine ...
The 11-qubit silicon processor marks a significant advancement in quantum computing, combining high fidelity with scalable ...
A qubit is sort of like a spinning coin before it lands, but this state makes it more sensitive to outside forces, such as ...
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