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, ...

Rosenblatt Securities launched coverage of Rigetti Computing (RGTI) with a “Buy” rating and an ambitious $40 price target.

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% ...

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 ...

Quantum computing is also a capital-intensive endeavor. IonQ reported research and development costs of $62.9 million in its ...

Amplifier’s ability to operate at frequencies greater than 20 gigahertz provides path forward for more scalable quantum ...

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 ...

Alphabet made a breakthrough in late 2024 with its Willow chip, which was able to exponentially reduce errors as it added ...