A new code cuts qubit needs for quantum logic, Photonic reports
Photonic has reported a family of QLDPC codes, called SHYPS, that can perform quantum computation and error correction using fewer physical qubits than surface codes. The result points to reduced overhead for fault-tolerant quantum logic.
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What this could mean
- 0–2 yearsPlausible
If the SHYPS code can be implemented on Photonic's hardware, it could allow demonstration of a fault-tolerant logical qubit on a photonic processor with significantly fewer physical components than surface-code approaches would require within two years.
QLDPC codes reduce the number of physical qubits needed per logical qubit, and Photonic's architecture already aims at scalable photonic qubits; the claim depends on experimental translation of the code to their photon-based platform, which is not yet demonstrated but is a near-term engineering target.
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