论文标题
工程快速高保真量子操作与互动限制
Engineering Fast High-Fidelity Quantum Operations With Constrained Interactions
论文作者
论文摘要
在几乎所有量子技术中，了解如何量身定制量子动力学以实现所需的进化是一个至关重要的问题。我们提出了一种非常通用的方法，用于设计高效控制序列，该序列始终与可用相互作用及其可调性的实验约束完全兼容。我们的方法在最终通过求解一组无时间依赖的线性方程来降低。我们通过将其应用于多个物理相关的问题来说明我们的方法：两级系统的强驱动极限，在参数驱动的腔中快速挤压，Transmon Qubit Gates中的泄漏问题以及Qubit-cavity系统中快照门的加速。
Understanding how to tailor quantum dynamics to achieve a desired evolution is a crucial problem in almost all quantum technologies. We present a very general method for designing high-efficiency control sequences that are always fully compatible with experimental constraints on available interactions and their tunability. Our approach reduces in the end to finding control fields by solving a set of time-independent linear equations. We illustrate our method by applying it to a number of physically-relevant problems: the strong-driving limit of a two-level system, fast squeezing in a parametrically driven cavity, the leakage problem in transmon qubit gates, and the acceleration of SNAP gates in a qubit-cavity system.
