论文标题
限制在一个磁岩腔中的镁之间的强耦合
Strong coupling between magnons confined in a single magnonic cavity
论文作者
论文摘要
在过去的几年中，对镁和空腔光子之间的强耦合进行了广泛的研究。最近，据报道，磁性多层中相邻层之间的强木磁通耦合。然而，限制在单个纳米磁铁中的强耦合镁仍有待揭示。在这里，我们报告了单个镁腔中不同镁模式之间的相互作用。在强耦合方案中，边缘和中央磁杆模式之间的间模型耦合接近，最大耦合强度为0.494 GHz，合作率为60.1，阻尼为1x10-3。此外，发现耦合强度高度取决于宏伟腔的几何参数。我们的发现可以极大地丰富量子磁化的仍在不断发展的领域。
Strong coupling between magnons and cavity photons was studied extensively for quantum electrodynamics in the past few years. Recently, the strong magnon-magnon coupling between adjacent layers in magnetic multilayers has been reported. However, the strongly coupled magnons confined in a single nanomagnet remains to be revealed. Here, we report the interaction between different magnon modes in a single magnonic cavity. The intermodel coupling between edge and center magnon modes in the strong coupling regime was approached with a maximum coupling strength of 0.494 GHz and cooperativity of 60.1 with a damping of 1X10-3. Furthermore, it is found that the coupling strength is highly dependent on the geometric parameters of the magnonic cavity. Our findings could greatly enrich the still evolving field of quantum magnonics.
