Picophotonics goes to higher dimensions

Yijie Shen; Nikolay I. Zheludev

doi:10.1117/1.AP.7.1.010502

Advanced Photonics, Volume. 7, Issue 1, 010502(2025)

Picophotonics goes to higher dimensions

Yijie Shen^1,2、* and Nikolay I. Zheludev^3,4

¹Nanyang Technological University, School of Physical and Mathematical Sciences, Centre for Disruptive Photonic Technologies, Singapore

²Nanyang Technological University, School of Electrical and Electronic Engineering, Singapore

³University of Southampton, Optoelectronics Research Centre, Centre for Photonic Metamaterials, Southampton, United Kingdom

⁴Texas A&M University, Halger Institute for Advanced Study, College Station, Texas, United States

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Fig. 1. (a) 1D optical ruler displacement picometrology uses phase singularities of a superoscillatory light created by the Pancharatnam–Berry phase metasurface as marks. (b) 3D displacement picometrology uses a tightly focused structured light created by interference of four beams as a mark in three dimensions.

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Yijie Shen, Nikolay I. Zheludev, "Picophotonics goes to higher dimensions," Adv. Photon. 7, 010502 (2025)

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