Demonstration of superadiabatic population transfer in superconducting qubit<xref rid="cpb_27_6_063202fn1" ref-type="fn">*</xref> <fn id="cpb_27_6_063202fn1"> <label>*</label> <p>Project supported by the National Key Basic Research and Development Program of China (Grant No. 2016YFA0301802) and the National Natural Science Foundation of China (Grant Nos. 11274156, 11504165, 11474152, and 61521001).</p> </fn>

Demonstration of superadiabatic population transfer in superconducting qubit* *

Project supported by the National Key Basic Research and Development Program of China (Grant No. 2016YFA0301802) and the National Natural Science Foundation of China (Grant Nos. 11274156, 11504165, 11474152, and 61521001).

Li Mengmeng, Tan Xinsheng^†, Dai Kunzhe, Zhao Peng, Yu Haifeng^‡, Yu Yang

(color online) The fidelity of the Z gate as a function of the time deviation from the optimum Z gate time. The red circles are the fidelities of the superadiabatic population transfer and the blue squares are the fidelities of the flux-based Z gates.