Orbital angular momentum interactions at the nanoscale have remained elusive because the phase structure becomes unresolved. Now researchers have shown how to overcome this with tightly focused beams, demonstrating a record-high six-dimensional encoding in an ultra-dense nanoscale volume.

中文翻译：

---

将多路复用轨道角动量缩小到纳米级

纳米尺度的轨道角动量相互作用仍然难以捉摸，因为相结构变得悬而未决。现在，研究人员展示了如何通过紧密聚焦的光束来克服这一问题，在超密集纳米级体积中展示了创纪录的六维编码。