发表机构
Università degli Studi di Milano（米兰大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文提出利用表面等离激元波耦合原子链，通过控制链与金属膜距离，实现亚辐射态的可控激发，用于光子存储与量子存储。
AI 中文摘要
自由空间中有限尺寸的亚波长原子链的亚辐射态为光子存储提供了强大的资源。然而，它们的制备和控制实验上仍具挑战性。一种标准技术是用激光驱动原子，并在激光关闭后观察长寿命亚辐射激发模式的荧光。然而，这些模式高度简并，并在亚辐射流形中形成几乎连续的能带。这里我们提出一种新方法，通过将原子耦合到沿金属薄膜界面传播的表面等离激元波来激发给定的亚辐射态。通过控制链/表面距离，我们可以在原子中加载、存储和释放光子，使其成为未来量子存储器有前景的工具。
英文摘要
Subradiant states of a finite subwavelength atomic chain in free space offer a powerful resource for photon storage. Yet their preparation and control remain challenging experimentally. A standard technique is to drive the atoms by a laser and observe the florescence light of the long-lived subradiant modes of excitation after the laser is switched off. However, these modes are highly degenerate and form an almost continuous band in the subradiant manifold. Here we propose a new method of exciting a given subradiant state by coupling atoms to a surface plasmon wave propagating along the interface with a metallic film. By controlling the chain/surface distance we may load, store and release photons in the atoms, making them a promising tool for future quantum memories.
Comments8 pages, 9 figures
