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Alice & Bob has completed Phase 1 of France's PROQCIMA program by validating core components of its cat-qubit error-correction architecture across three hardware demonstrators. Although the measured logical error rate currently exceeds the correction threshold, the project successfully identified qubit coherence duration as a critical priority for future scaling toward industrial prototypes. This milestone provides essential data on the practical feasibility of fault-tolerant quantum computing architectures under government-led development.

Source coveringThe Quantum Insider

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Alice & Bob Reports Cat-Qubit Progress in French Quantum Computing Program

The Quantum InsiderOctober 20, 20263 min read

Insider Brief PRESS RELEASE — – Alice & Bob, a leader in fault-tolerant quantum computing, today shares a summary of results from Phase 1 of PROQCIMA, the French government’s quantum computing programme. Led by the French Defense Innovation Agency (AID) and the Direction générale de l’Armement, PROQCIMA aims to develop two prototypes of universal quantum […]

Alice & Bob reported Phase 1 PROQCIMA results demonstrating core components of its cat-qubit error-correction architecture on three hardware demonstrators. Tests included protected CNOT gates, repeated error-correction cycles and a non-Clifford gate, but the measured logical error rate remained above the error-correction threshold. A digital twin identified longer, more…

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