Enlarge / The current generation of hardware, which will see rapid iteration over the next several years. reader comments 14 On Tuesday, the quantum computing startup Quera laid out a road map that will bring error correction to quantum computing in only two years and enable useful computations using it by 2026, years ahead of ..
Tag : qubits
Enlarge / IBM’s Eagle processor has reached Rev3, which means lower noise qubits. reader comments 30 with Today’s quantum processors are error-prone. While the probabilities are small—less than 1 percent in many cases—each operation we perform on each qubit, including basic things like reading its state, has a significant error rate. If we try an ..
reader comments 38 with 23 posters participating Share this story IBM has announced it has cleared a major hurdle in its effort to make quantum computing useful: it now has a quantum processor, called Eagle, with 127 functional qubits. This makes it the first company to clear the 100-qubit mark, a milestone that’s interesting because ..
Enlarge / Google’s Sycamore processor. reader comments 8 with 7 posters participating Share this story The current generation of quantum hardware has been termed “NISQ”: noisy, intermediate-scale quantum processors. “Intermediate-scale” refers to a qubit count that is typically in the dozens, while “noisy” references the fact that current qubits frequently produce errors. These errors can ..
Enlarge / Hartmut Neven, the head of Google’s Quantum AI lab, walked Ars and others through an overview of the company’s quantum computing efforts this week. John Timmer reader comments 78 with 59 posters participating Share this story SANTA BARBARA, California—Early this autumn, a paper leaked on a NASA site indicating Google engineers had built ..
An atomic clock based on a fountain of atoms. reader comments 26 with 16 posters participating Share this story One of light’s most redeeming features is that it can be guided in optical fibers with very little change to its properties. In terms of quantum information processing and sensing, this is important: you stick a ..
Enlarge (credit: Vesna Jovanovic / EyeEm) I know I have a reputation for liking lasers. But I’m a bit of a philanderer—I have a secret and unrequited love for Bose-Einstein condensates (BECs). BECs are to physicists what lasers were in 1970: an amazing new tool that we are only now coming to grips with. BECs ..
Enlarge / Not this kind of microwave, of course. (credit: Matthew Paul Argall) Companies like IBM and Google have leapt at the opportunity to build toy quantum computers. They’ve produced nice interfaces so you can play quantum computing games. The access frameworks they’ve provided makes me feel like we are about to break out in ..
Enlarge / Splitting photons up into a collection of neighboring frequencies may help with quantum computation. reader comments 23 Share this story Way back when I started writing for Ars, experimental quantum computing had just started to take off. At the time, the big demonstrations of quantum computation were very simple calculations, performed using single ..