Observation of positive–negative sub-wavelength interference without intensity correlation calculation

Ling Yu Dou; De Zhong Cao; De Qin Xu; An Ning Zhang; Xin Bing Song

doi:10.1038/s41598-021-82030-9

Observation of positive–negative sub-wavelength interference without intensity correlation calculation

Ling Yu Dou, De Zhong Cao, De Qin Xu, An Ning Zhang, Xin Bing Song^*

^*Corresponding author for this work

School of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

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.

Original language	English
Article number	2477
Journal	Scientific Reports
Volume	11
Issue number	1
DOIs	https://doi.org/10.1038/s41598-021-82030-9
Publication status	Published - Dec 2021

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Dou, L. Y., Cao, D. Z., Xu, D. Q., Zhang, A. N., & Song, X. B. (2021). Observation of positive–negative sub-wavelength interference without intensity correlation calculation. Scientific Reports, 11(1), Article 2477. https://doi.org/10.1038/s41598-021-82030-9

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abstract = "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.",

author = "Dou, {Ling Yu} and Cao, {De Zhong} and Xu, {De Qin} and Zhang, {An Ning} and Song, {Xin Bing}",

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AU - Dou, Ling Yu

AU - Cao, De Zhong

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AU - Zhang, An Ning

AU - Song, Xin Bing

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AB - 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.

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Observation of positive–negative sub-wavelength interference without intensity correlation calculation

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