发表机构
University of North Carolina at Chapel Hill; Auburn University; Argonne National Laboratory（北卡罗来纳大学教堂山分校; 奥本大学; 阿贡国家实验室）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本研究通过可重构介电谐振器阵列实现位点选择性磁子-光子耦合，证明耦合由集体光子模式的局域振幅而非光谱共振决定，为混合量子微波架构提供可重构磁子接口。
AI 中文摘要
微波光子模式的空间结构为控制其与局域磁激发相互作用提供了一个自由度。我们在安装在公共微带线上的分立介电谐振器模块化阵列中演示了位点选择性磁子-光子耦合。谐振器可以在同一块已完成的PCB上添加、移除或重新排列，从而实现对集体光子模式及其节点结构的制造后几何重构。一个YIG球依次放置在各个谐振器上方，同时面内磁场将其Kittel模式调谐至集体光子共振。在三谐振器阵列中，具有有限局域微波磁场的模式在每个测量位点与磁子发生杂化，而包含中心场节点的模式在球位于该节点时没有显示出可分辨的劈裂。全波模拟和耦合模式模型表明，相互作用由集体光子模式的局域振幅决定，而非仅由光谱共振决定。将此局域节点选择规则扩展到五谐振器阵列，成功预测了测量的位置依赖耦合模式。这些结果确立了空间磁子-光子杂化的制造后控制，并为未来混合量子微波架构中可重构磁子接口提供了途径。
英文摘要
The spatial structure of a microwave photon mode provides a degree of freedom for controlling its interaction with a localized magnetic excitation. We demonstrate site-selective magnon-photon coupling in modular arrays of discrete dielectric resonators mounted on a common microstrip line. The resonators can be added, removed, or rearranged on the same completed PCB, enabling post-fabrication geometrical reconfiguration of the collective photon modes and their nodal structure. A YIG sphere is positioned successively above individual resonators, while an in-plane magnetic field tunes its Kittel mode through the collective photon resonances. In a three-resonator array, modes with finite local microwave magnetic fields hybridize with the magnon at every measured site, whereas a mode containing a central field node exhibits no resolvable splitting when the sphere is positioned at that node. Full-wave simulations and a coupled-mode model show that the interaction is governed by the local amplitude of the collective photon mode rather than by spectral resonance alone. Extending this local-node selection rule to a five-resonator array successfully predicts the measured position-dependent coupling patterns. These results establish post-fabrication control of spatial magnon-photon hybridization and provide a route toward reconfigurable magnonic interfaces in future hybrid quantum microwave architectures.
Comments10 pages, 8 figures
