Observing two-photon subwavelength interference of broadband chaotic light in polarization-selective Michelson interferometer

• URL: http://arxiv.org/abs/2108.03071v1
• Date: Fri, 6 Aug 2021 12:08:17 GMT
• Title: Observing two-photon subwavelength interference of broadband chaotic light in polarization-selective Michelson interferometer
• Authors: Sheng Luo, Yu Zhou, Huaibin Zheng, Wanting Xu, Jianbin Liu, Hui Chen, Yuchen He, Shuanghao Zhang, Fuli Li, Zhuo Xu
• Abstract summary: We have demonstrated the two-photon subwavelength interference effect of broadband chaotic light in a polarization-selective Michelson interferometer. These experimental results may help to develop future optical interferometry, optical polarimetry, and subwavelength lithography.
• Score: 10.586210279233686
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Differing from the traditional method of achieving subwavelength interference, we have demonstrated the two-photon subwavelength interference effect of broadband chaotic light in a polarization-selective Michelson interferometer with an ultrafast two-photon absorption detector the first time, which is achieved by manipulating two-photon probability amplitudes involved in the interference. In theory, the two-photon polarization coherence matrix and probability amplitudes matrix are combined to develop polarized two-photon interference terms, which explains the experimental results well. In order to make better use of this interferometer to produce the subwavelength effect, we also make a series of error analyses to find out the relationship between the visibility and the degree of polarization error. Our experimental and theoretical results are helpful to understand the two-photon subwavelength interference, which sheds light on the development of the two-photon interference theory of vector light field based on quantum mechanics. These experimental results may help to develop future optical interferometry, optical polarimetry, and subwavelength lithography.

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