Chalmers speeds quantum operations 1,000x, nearing fault tolerance

Chalmers University of Technology researchers have achieved a thousandfold increase in the speed of advanced quantum operations, addressing a critical hurdle in building reliable quantum computers. The breakthrough tackles the problem of error accumulation caused by even the slightest environmental disturbances, electrical noise, cosmic radiation, or overheating, that disrupt fragile qubits. This advance, published in Physical Review Letters, enables fault-tolerant quantum computing and offers potential in fields from drug discovery to artificial intelligence. Bosonic quantum codes offer inherent advantages in protecting quantum information because they encode it within microwave fields in superconducting circuits, rather than relying solely on individual qubits. This fundamental shift in storage methodology provides stronger resistance to specific error types, according to Tangyou Huang, a researcher in Quantum Technology at…