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Alice & Bob

Cat qubits, superconducting, bit-flip protection

FRprivateest. 2020alice-bob.com (opens alice-bob.com)Checked 25 Sep

The brief

Analyst view
  • Raised €100M Series B in January 2025.
  • Roadmap targets Graphene, a 100-logical-qubit machine, by 2030.
  • Cat qubits need only a simple repetition code, not a full surface code.
Programs

Alice & Bob, one program

Updated 17 Jun 2026
Cat-qubit roadmapA chip series from single protected cat qubits (Boson) to first logical qubits (Helium) to 100-logical-qubit Graphene. A simple repetition code fixes phase flips.ResearchNextGraphene: 100 logical qubits · 2030Updated 17 Jun 2026View program →
Research · Proto · Pilot · Deploy · Scaling

Peers

Superconducting · 3

Company & funding

1 round · as reported
Raised
$104Mdisclosed private rounds
Last round
Series BJan 2025
HQ
FR
Founded
2020
DateRoundAmountPost-moneyLead
Jan 2025Series B$104M—Future French Champions, AVP, Bpifrance

People

Key people
  • Théau PeronninCo-founder and CEO
  • Raphaël LescanneCo-founder and CTO
Primer