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 bounded CP after passing through a Butterworth Filter (BF) with different order and bandwidth parameters; (b) Bounded CP decoupling results for unfiltered and filtered pulses.