论文标题
可调光子介导的自旋-1系统之间的相互作用
Tunable photon-mediated interactions between spin-1 systems
论文作者
论文摘要
腔QED或量子纳米光子设置中的量子光学发射器之间的虚拟光子在它们之间诱导它们之间的相互作用，这些相互作用可以用于量子信息和仿真目的。到目前为止，这些相互作用主要是针对两级发射器的特征，这些发射器限制了它们在Qubits中的工程量子门上的应用或模拟Spin-1/2量子多体模型。在这里，我们展示了如何利用多个光学转换来利用多层次发射器，以设计有效的Spin-1系统之间的广泛的光子介导的相互作用。我们通过分析和数值技术来表征它们的性能，并根据碱原子的原子水平结构提供特定的实现。我们的结果扩展了此类QED和量子纳米光子设置中可用的量子模拟工具箱，并打开了Qutrits中纠缠闸门的新方法。
The exchange of virtual photons between quantum optical emitters in cavity QED or quantum nanophotonic setups induces interactions between them which can be harnessed for quantum information and simulation purposes. So far, these interactions have been mostly characterized for two-level emitters, which restrict their application to engineering quantum gates among qubits or simulating spin-1/2 quantum many-body models. Here, we show how to harness multi-level emitters with several optical transitions to engineer a wide class of photon-mediated interactions between effective spin-1 systems. We characterize their performance through analytical and numerical techniques, and provide specific implementations based on the atomic level structure of Alkali atoms. Our results expand the quantum simulation toolbox available in such cavity QED and quantum nanophotonic setups, and open up new ways of engineering entangling gates among qutrits.
