IBM and collaborators say their quantum computers outperform all known classical algorithms for three distinct tasks, but ...

In the world of quantum computing, the Hilbert space dimension—the measure of the number of quantum states that a quantum computer can access—is a prized possession. Having a larger Hilbert space ...

Ciena, Toshiba, and Quantum Corridor deployed a 1.6 Tb/s (1.6T) quantum-safe optical encryption across a live commercial ...

Quantinuum has unveiled a third-generation quantum computer that could be easier to scale up than rival approaches. The US- and UK-based company Quantinuum today unveiled Helios, its third-generation ...

To predict when we’ll have a truly useful quantum computer, we need to know precisely what one is. Columnist Karmela Padavic-Callaghan finds that’s harder to pin down than you might think ...

The company has drawn governments, a major chipmaker, and the Pentagon into an effort to control fragile photons and build a useful quantum machine. It aims to be the first.

Microsoft started 2025 with the introduction of its Majorana quantum chip, nearly eight years after its quantum language breakthrough. The computing giant's chip advancement kicked off a fiery ...

IonQ Inc. IONQ shares are up during Wednesday’s premarket session as the company was selected for DARPA’s Heterogeneous Architectures for Quantum (HARQ) program. The initiative announced on Tuesday ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Parts of the IBM Quantum System Two are displayed at IBM Thomas J. Watson Research Center on ...

The amount of quantum computing power needed to crack a common data encryption technique has been reduced tenfold. This makes the encryption method even more vulnerable to quantum computers, which may ...