Simulation of the influence of imperfections on dynamical decoupling of a superconducting qubit

Zhang Ying-Shan^{1, 2, 3}, Liu Jian-She^{1, 2, 3}, Zhao Chang-Hao^{1, 2, 3}, He Yong-Cheng^{1, 2, 3}, Xu Da^{1, 2, 3}, Chen Wei^{1, 2, 3, †}

(a) Waveform of ideal (blue dotted line) and bounded (red solid line) CP, CPMG, and UDD for N_DD = 5; (b) Comparison between CP, CPMG, and UDD pulses with ideal and bounded strength. Error bar is linear fitting error (not simulation error).