期刊
PHYSICAL REVIEW APPLIED
卷 14, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevApplied.14.044035
关键词
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资金
- MCIU/AEI/FEDER,UE [PGC2018-094792-B-I00]
- CSIC Research Platform [PTI-001]
- CAM/FEDER Project [S2018/TCS-4342]
In this work we analyze the implementation of a control-phase gate through the resonance between the vertical bar 11 > and vertical bar 20 > states of two statically coupled transmons. We find that there are many different controls for the transmon frequency that implement the same gate with fidelities around 99.8% (T-1 = T-2 = 17 mu s) and 99.99% (T-1 = T-2 = 300 mu s) within a time that approaches the theoretical limit. All controls can be brought to this accuracy by calibrating the waiting time and the destination frequency near the vertical bar 11 > - vertical bar 20 > resonance. However, some controls, such as those based on the theory of dynamical invariants, are particularly attractive due to reduced leakage, robustness against decoherence, and their limited bandwidth.
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