Longitudinally continuous varying high-order cylindrical vector fields enabled by spin-decoupled metasurfaces-Reference-Cited by-同舟云学术

Longitudinally continuous varying high-order cylindrical vector fields enabled by spin-decoupled metasurfaces

Published:2024-03-04 Issue:9 Volume:13 Page:1657-1664
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

He Xinye¹²³⁴,Bao Hanlin¹²³⁴,Zhang Fei¹²⁴,Kang Tongtong¹²⁴,Pu Mingbo¹²³⁴,Chen Yan¹²⁴,Guo Yinghui¹²³⁴,Gong Jintao¹²,Xu Mingfeng¹²⁴,Luo Xiangang¹²³^ORCID

Affiliation:

1. National Key Laboratory of Optical Field Manipulation Science and Technology, Chinese Academy of Sciences , Chengdu 610209 , China

2. 74709 State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences , Chengdu 610209 , China

3. College of Materials Sciences and Opto-Electronic Technology, University of Chinese Academy of Sciences , Beijing 100049 , China

4. 74709 Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences , Chengdu 610209 , China

Abstract

Abstract The manipulation of vector optical fields in three-dimensional (3D) space plays a vital role in both fundamental research and practical implementations of polarization optics. However, existing studies mostly focus on 3D vector optical fields with limited modes. Here, an approach of spin-decoupled spatial partitioning is proposed to generate complex 3D vector optical fields with a customizable number of modes on demand. The crosstalk among different modes is effectively suppressed by the decoupling capability of asymmetric photonic spin–orbit interactions (PSOIs) and the design of region displacement for opposite spin states. As a proof-of-concept demonstration, a metasurface is designed to generate longitudinally varying high-order cylindrical vector fields, ranging from the 2nd to the 10th order in even sequences along the propagation direction. The experimental results demonstrate the effectiveness and potential of our approach to enabling precise control of 3D vector optical fields with arbitrary mode combinations. This work holds promising applications in biophotonics, quantum optics, and communications.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0008/pdf

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