期刊
QUANTUM SCIENCE AND TECHNOLOGY
卷 6, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2058-9565/abe519
关键词
quantum volume; transmon qubits; dynamical decoupling; quantum circuit compilation; two qubit gates; random quantum circuits
资金
- ARO [W911NF-16-1-0114]
This study improved the quality of quantum circuits on superconducting quantum computing systems by combining various methods, highlighting the importance of increasing coherence, control gate fidelities, measurement fidelities, and smarter software to achieve larger quantum systems in the future.
We improve the quality of quantum circuits on superconducting quantum computing systems, as measured by the quantum volume (QV), with a combination of dynamical decoupling, compiler optimizations, shorter two-qubit gates, and excited state promoted readout. This result shows that the path to larger QV systems requires the simultaneous increase of coherence, control gate fidelities, measurement fidelities, and smarter software which takes into account hardware details, thereby demonstrating the need to continue to co-design the software and hardware stack for the foreseeable future.
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