Pasqal exceeds 1k Atoms in Quantum Processor
French quantum computing company Pasqal announced it has surpassed 1,000 atoms in its neutral-atom quantum processor, marking a milestone in scaling quantum hardware. The achievement demonstrates the ability to control and manipulate over a thousand individual atoms, which is a key step toward building larger, more powerful quantum computers.
Background
- Pasqal is a French quantum computing startup that builds quantum processors using neutral atoms (rubidium atoms trapped in laser light arrays), a distinct approach from other quantum computing methods like superconducting circuits (used by Google, IBM) or trapped ions.
- Surpassing 1,000 atoms in a single quantum processor is a notable scale milestone: it roughly doubles the previous neutral-atom record and puts Pasqal in a position to outperform classical simulations for certain problems, though it is still far from a fully fault-tolerant quantum computer.
- This milestone was achieved using Pasqal's "Quantum Processing Unit on a Chip" (QPUC) platform, which integrates the atom-cooling and control hardware into a compact form factor meant to be more deployable than room-sized machines.
- Pasqal's technology is particularly promising for "analog quantum simulation" (modeling materials and molecules directly), which does not require the same level of error correction as gate-based quantum computing. The company plans to make this 1,000+ atom platform available to clients via cloud access.