Optical quantum computer startup OptQC has secured NTT investment targeting one million qubits by fiscal 2030. OptQC's ...

A single photon carrying quantum information had to travel more than 24 kilometers through an optical fiber already crowded ...

A real-world test shows fragile quantum internet signals can share cables with everyday internet traffic and survive intact.

Star Trek is regarded as a cornerstone of modern science-fiction television, and these five gadgets have become just as iconic as a result.

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

IBM and researchers from the University of Chicago announced a demonstration in quantum computing that meets the fundamental ...

Three problems that are out of reach for conventional computers have been cracked by quantum computers and show how important ...

Quantum advantage? Sure sounds like AT&T is getting it from a D-Wave partnership. Maybe not exactly quantum supremacy just ...

There are many algorithms for which it has been mathematically proven that a quantum computer can generate results that would ...

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“We demonstrated a so-called universal gate set—meaning that if you store information in these emergent versions of quarks, and you move them around, you can do any quantum computation you might want ...

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 ...