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France · The Sovereignty Play

Alice & Bob

Cat qubit hardware. Next40 list 2025.

FranceParisCat qubitscompany
What we know

Alice & Bob develops superconducting cat qubits, an error-resistant encoding inside oscillator modes. The company was named to the French Next40 list in 2025 and sits inside the PROQCIMA programme alongside the other four French hardware companies.

Official site
alice-bob.com
Sources
  • French Tech Next40 list, 2025
  • PROQCIMA programme, French Ministry of Armed Forces
Editorial note

The Millikelvin covers the Colorado quantum ecosystem from the inside. Foreign organisations on this site carry stub profiles only, restricted to publicly reported facts. We expand a profile when the org is part of an active Colorado story, not as deep-dive coverage of foreign ecosystems on their own terms.

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