Young's double-slit interference with two-color biphotons
Abstract
In classical optics, Young's double-slit experiment with colored coherent light gives rise to individual interference fringes for each light frequency, referring to single-photon interference. However, two-photon double-slit interference has been widely studied only for wavelength-degenerate biphoton, known as subwavelength quantum lithography. In this work, we report double-slit interference experiments with two-color biphoton. Different from the degenerate case, the experimental results depend on the measurement methods. From a two-axis coincidence measurement pattern we can extract complete interference information about two colors. The conceptual model provides an intuitional picture of the in-phase and out-of-phase photon correlations and a complete quantum understanding about the which-path information of two colored photons.
Cite
@article{arxiv.1709.02498,
title = {Young's double-slit interference with two-color biphotons},
author = {De-Jian Zhang and Shuang Wu and Hong-Guo Li and Hai-Bo Wang and Jun Xiong and Kaige Wang},
journal= {arXiv preprint arXiv:1709.02498},
year = {2017}
}
Comments
13 pages, 6 figures