[1406.7707] Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits
[1406.7707] Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits Quantum Physics arXiv:1406.7707 (quant-ph) [Submitted on 30 Jun 2014] Title: Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits Authors: Shang-Yu Huang , Hsi-Sheng Goan View a PDF of the paper titled Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits, by Shang-Yu Huang and Hsi-Sheng Goan View PDF Abstract: We apply the quantum optimal control theory based on the Krotov method to implement single-qubit $X$ and $Z$ gates and two-qubit CNOT gates for inductively coupled superconducting flux qubits with fixed qubit transition frequencies and fixed off-diagonal qubit-qubit coupling. Our scheme that shares the same advantage of other directly coupling schemes requires no additional coupler subcircuit and control lines.
Abstract page for arXiv paper 1406.7707: Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits