组合式开口环与螺旋超构谐振器用于高效磁子-光子耦合
Combinatorial split-ring and spiral meta-resonator for efficient magnon-photon coupling
AI总结：
本研究提出一种由开口环与螺旋谐振器组成的微波超构谐振器，通过展宽模式带宽并与磁性样品耦合，将光子-磁子耦合增强十倍以上，为混合磁子系统提供了新途径。
摘要：
开发用于电磁波工程的混合材料与结构，已成为在许多现代应用中实现新功能与可调性以及新量子技术前景的一条有希望的途径。尽管在光学光与太赫兹波工程方面已取得公认的成功，但工作在微波频段的超构谐振器的实现仍处于新兴阶段，尤其是那些允许片上集成与尺寸小型化的设计，而这对于在微波频段开发混合量子系统已被证明至关重要。在本工作中，我们提出了一种由开口环与螺旋谐振器组成的微波超构谐振器，并将其应用于混合磁子学应用中光子-磁子耦合的研究。我们观察到，由于额外螺旋谐振器的加入，开口环模式的带宽得到展宽，并且通过将这些模式与磁性样品耦合，所得的光子-磁子耦合可显著增强至十倍以上。我们的工作表明，组合式混合微波谐振器可能成为未来在混合磁子系统中开发与实现光子-磁子耦合的一种有前景的方法。
英文摘要：
Developing hybrid materials and structures for electromagnetic wave engineering has been a promising route towards novel functionalities and tunabilities in many modern applications and perspectives in new quantum technologies. Despite its established success in engineering optical light and terahertz waves, the implementation of meta-resonators operating at the microwave band is still emerging, especially those that allow for on-chip integration and size miniaturization, which has turned out crucial to developing hybrid quantum systems at the microwave band. In this work, we present a microwave meta-resonator consisting of split-ring and and spiral resonators, and implement it to the investigation of photon-magnon coupling for hybrid magnonic applications. We observe broadened bandwidth to the split ring modes augmented by the additional spiral resonator, and, by coupling the modes to a magnetic sample, the resultant photon-magnon coupling can be significantly enhanced to more than ten-fold. Our work suggests that combinatorial, hybrid microwave resonators may be a promising approach towards future development and implementation of photon-magnon coupling in hybrid magnonic systems.
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