Extensible superconducting quantum bit structure
A superconducting quantum and bit technology, applied in the field of quantum computing, can solve problems such as the limitation of CZ gate fidelity, and achieve the effects of improving scalability, improving fidelity, and improving accuracy
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[0027] The present disclosure provides a scalable superconducting qubit structure, which uses a coupler circuit to adjust the coupling strength between superconducting qubits connected to the coupler, and the coupling strength can be adjusted to be close to or equal to zero, and can realize adjacent The coupling strength between qubits is turned off to improve the fidelity of the double-qubit CZ gate, and the superconducting qubits are coupled with other circuits through the branch structure formed by multiple capacitors, on the basis of improving the accuracy of quantum computing , which further improves the scalability of the superconducting qubit structure and promotes the application of superconducting quantum computing.
[0028] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying dra...
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