Dou Ling-Yu, Cao De-Zhong, Xu De-Qin, Zhang An-Ning, Song Xin-Bing
School of Physics, Beijing Institute of Technology, Beijing, 100081, China.
Department of Physics, Yantai University, Yantai, 264005, China.
Sci Rep. 2021 Jan 28;11(1):2477. doi: 10.1038/s41598-021-82030-9.
We report an experimental demonstration of positive-negative sub-wavelength interference without correlation. Typically, people can achieve sub-wavelength effects with correlation measurement no matter by using bi-photon or thermal light sources. In this paper, we adopt a thermal light source, and we count the realizations in which the intensities of the definite symmetric points are above or below a certain threshold. The distribution of numbers of these realizations which meet the restriction will show a sub-wavelength effect. With proper constrictions, positive and negative interference patterns are demonstrated.
我们报告了一种无关联的正负亚波长干涉的实验演示。通常，无论使用双光子还是热光源，人们通过关联测量都能实现亚波长效应。在本文中，我们采用热光源，并统计确定对称点强度高于或低于某个阈值的实现情况。这些符合限制的实现情况的数量分布将呈现亚波长效应。通过适当的约束，展示了正负干涉图样。
