Pierre Desjardins, Co-founder & CEO at C12 | Slush 2025
summary
C12 claims a shipping-ready compact quantum computer based on spin qubit devices built from carbon nanotubes, reporting qubit coherence ~10× better than silicon and a demonstrated quantum bus that creates all-to-all connectivity zones up to 400 qubits. The company runs an in-house fab, holds eight patents, has 60 staff, projects €5M (described as $5M) in revenue this year from an industrial Kalisto program, and targets a first logical qubit and initial quantum-hardware sales within the next year.
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chapters (9)
- 0:00Introduction and vision
- 1:30Quantum computing revolution
- 2:33C12’s compact quantum computer
- 3:58Quantum bus and scalability
- 5:01Compact vs brute-force quantum computers
- 6:07Company background and achievements
- 7:54In-house manufacturing and efficiency
- 8:56Industrial use cases and challenges
- 9:42Capital efficiency and next steps
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