Atomic Quantum Processors and the Error-Correction Frontier
summary
Describes a neutral-atom quantum processor that uses optical tweezers, Rydberg gates and atom shuttling to build logical qubits with long (seconds) coherence, demonstrating spin-to-position readout, reuse of atoms, and arrays held for hours up to ~3,000 atoms. Reports transversal operations (notably a transversal CNOT), experiments with surface/3D codes including up to distance 7 and ~48 logical CCZs, several hundred–1,000 logical teleportations, and a benchmarking claim roughly two times below threshold with clear paths to ~5× below.
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chapters (9)
- 0:00Introduction to neutral atoms
- 10:34Fault-tolerant architecture
- 12:20Experimental implementation
- 16:03Lessons from lab experiments
- 17:33Universal processing architecture
- 20:34Deep circuit processing
- 24:43Advancing QEC methodologies
- 26:48Performance and scalability
- 29:08Future outlook and conclusion
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