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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, ...
IonQ also set a world record for 2-qubit gate performance, a measure of accuracy and speed for quantum systems. The company ...
Most quantum companies use a superconducting approach. However, IonQ instead uses a trapped ion approach. Trapped ion is more ...
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 ...
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 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 ...
Amplifier’s ability to operate at frequencies greater than 20 gigahertz provides path forward for more scalable quantum ...
The 11-qubit silicon processor marks a significant advancement in quantum computing, combining high fidelity with scalable ...
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