Shrinking multiplexed orbital angular momentum to the nanoscale

• 作者: Chao He Yijie Shen Andrew Forbes Martin J.Booth
• 来源期刊: 光：科学与应用（英文版）
• 年，卷（期）: 2021,（11）
• 所属期刊栏目: News & Views
• 页码范围: 2026-2027
• 页数: 2页
• 语种: 英文

摘要

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.