Unlocking the future of optical security with metasurfaces

• 作者: Jaehyuck Jang Trevon Badloe Junsuk Rho
• 来源期刊: 光：科学与应用（英文版）
• 年，卷（期）: 2021,（8）
• 所属期刊栏目: News & Views
• 页码范围: 1398-1400
• 页数: 3页
• 语种: 英文

摘要

The complex degrees of freedom of light, such as amplitude, phase, polarization, and orbital angular momentum, make it a prime candidate for use in optical security and encryption. By exploiting the unique characteristics of metasurfaces, exciting new optical security platforms have been demonstrated.