Silicon Qubits Surpass 99.99% Gate Fidelity While Operating Three at Once
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4 Articles
Silicon qubits surpass 99.99% gate fidelity while operating three at once
Silicon spin qubits are a promising platform for building scalable quantum computers as they are compatible with the semiconductor manufacturing technologies used to produce today's computer chips. However, they have an important weakness: silicon spin qubits typically lose accuracy when several qubits are under parallel control. To be useful, quantum computers will need to operate many qubits simultaneously without compromising the accuracy of …
Recent physical engineering presents a new qubit developed to dramatically raise the performance of advanced processors. The joint advance seeks to solve historical structural barriers that limit the operational expansion of computing systems in modern laboratories. How does the new architecture accelerate quantum operations? Researchers at the Massachusetts Institute of Technology have published a detailed study...
Silicon spin qubits are a promising platform for the construction of scalable quantum computers, as they are compatible with semiconductor manufacturing technologies used to produce current computer chips. However, they have a significant weakness: silicon spin qubits usually lose in precision when multiple qubits are [...]
Silicon Spin Qubits Hit Fault-Tolerance Threshold While Running in Parallel
Researchers have demonstrated simultaneous high-fidelity single-qubit gates across five silicon spin qubits by identifying and compensating microwave-induced a.c.-Stark shifts, achieving fidelities above the fault-tolerance threshold during parallel operation.
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