We employ pulse shaping to abate single-qubit gate errors arising from the weak anharmonicity of transmon superconducting qubits. By applying shaped pulses to both quadratures of rotation, a phase error induced by the presence of higher levels is corrected. Using a derivative of the control on the quadrature channel, we are able to remove the effect of the anharmonic levels for multiple qubits coupled to a microwave resonator. Randomized benchmarking is used to quantify the average error per gate, achieving a minimum of 0.007+/-0.005 using 4 ns-wide pulse.
@article{arxiv.1005.1279,
title = {Implementing optimal control pulse shaping for improved single-qubit gates},
author = {J. M. Chow and L. DiCarlo and J. M. Gambetta and F. Motzoi and L. Frunzio and S. M. Girvin and R. J. Schoelkopf},
journal= {arXiv preprint arXiv:1005.1279},
year = {2012}
}