典型文献
Optimization of Light Field for Generation of Vortex Knot
文献摘要：
The theory of knots and links focuses on the embedding mode of one or several closed curves in three-dimensional Euclidean space.In an electromagnetic field system,all-optical knots or links composed of phase or polarization singularities have been verified theoretically and experimentally.Recent studies have shown that robust topological all-optical coding can be achieved by using optical knots and links.However,in the current design of optical knots and links based on phase or polarization singularities,the amplitude of light between adjacent singularities is relatively weak.This brings great pressure to detection of optical knots and links and limits their applications.Here,we propose a new optimization method in theory.Compared with the existing design methods,our design method improves the relative intensity distribution of light between adjacent singularities.We verify the feasibility of our design results in experiments.Our study reduces the detection difficulty of optical knots and links,and has a positive significance for promotion of applications of optical knots and links.
文献关键词：
中图分类号：
作者姓名：
Song Wang;Lei Wang;Furong Zhang;Ling-Jun Kong
作者机构：
Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurements of Ministry of Education,Beijing Key Laboratory of Nanophotonics & Ultrafine Optoelectronic Systems,School of Physics,Beijing Institute of Technology,Beijing 100081,China
文献出处：
引用格式：
[1]Song Wang;Lei Wang;Furong Zhang;Ling-Jun Kong-.Optimization of Light Field for Generation of Vortex Knot)[J].中国物理快报（英文版）,2022(10):17-21
A类：
Knot
B类：
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AB值：
0.529282
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