光子梯度指数透镜中受拓扑控制的多Skyrmion
Topologically controlled multiskyrmions in photonic gradient-index lenses
AI总结：
该研究在光子梯度指数透镜中实现了受拓扑控制的多Skyrmion，提出新的拓扑数描述复杂光子准粒子，并展示了其在高容量信息传输中的应用潜力。
摘要：
Skyrmions是受拓扑保护的准粒子，最初在凝聚物系统中研究，最近在光子学中也引起了关注，具有在超高容量信息存储中的巨大潜力。尽管近年来受到关注，但大多数光学解决方案需要复杂且昂贵的系统，却只能产生有限的拓扑结构。在这里，我们展示了一种扩展的准粒子家族，超出了常规Skyrmions，这些准粒子在受限的光子梯度指数介质中受控，扩展到更高阶成员，如多Skyrmions和多Merons，具有日益复杂的拓扑结构。我们引入了新的拓扑数来描述这些复杂的光子准粒子，并提出如何利用这种新的粒子群在未来高容量信息传输中应用。我们的紧凑型创建系统提供了集成且可编程的复杂粒子纹理解决方案，对光子和凝聚物系统都有潜在影响，可能在拓扑信息学和逻辑设备的革新中发挥重要作用。
英文摘要：
Skyrmions are topologically protected quasiparticles, originally studied in condensed-matter systems and recently in photonics, with great potential in ultra-high-capacity information storage. Despite the recent attention, most optical solutions require complex and expensive systems yet produce limited topologies. Here we demonstrate an extended family of quasiparticles beyond normal skyrmions, which are controlled in confined photonic gradient-index media, extending to higher-order members such as multiskyrmions and multimerons, with increasingly complex topologies. We introduce new topological numbers to describe these complex photonic quasiparticles and propose how this new zoology of particles could be used in future high-capacity information transfer. Our compact creation system lends integrated and programmable solutions of complex particle textures, with potential impacts on both photonic and condensed-matter systems for revolutionizing topological informatics and logic devices.
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