标题： SU(4) 门设计通过酉过程层析成像：其在基于交叉共振的超导量子器件中的应用 显示英文标题

标题： SU(4) gate design via unitary process tomography: its application to cross-resonance based superconducting quantum devices

摘要： 我们提出了一种新颖的方法，在基于交叉共振（CR）的超导量子设备上实现脉冲高效的SU(4)门。 我们的方法引入了一个由CR-哈密顿量传播子得出的参数化幺正变换，该变换考虑了静态-$ZZ$相互作用。 利用Weyl房间的几何结构，我们成功地在IBM量子设备ibm_kawasaki上实现了连续的2比特基门， $R_{ZZ}(\theta)$，作为无回波的脉冲调度。 我们评估了使用$R_{ZZ}(\theta)$生成的各种SU(4)门的平均保真度和门时间，以确认我们实现的优势。 显示英文摘要

摘要： We present a novel approach for implementing pulse-efficient SU(4) gates on cross resonance (CR)-based superconducting quantum devices. Our method introduces a parameterized unitary derived from the CR-Hamiltonian propagator, which accounts for static-$ZZ$ interactions. Leveraging the Weyl chamber's geometric structure, we successfully realize a continuous 2-qubit basis gate, $R_{ZZ}(\theta)$, as an echo-free pulse schedule on the IBM Quantum device ibm_kawasaki. We evaluate the average fidelity and gate time of various SU(4) gates generated using the $R_{ZZ}(\theta)$ to confirm the advantages of our implementation.