Two-Photon Interference Constructed by Two Hong-Ou-Mandel Effects in One Mach-Zehnder Interferometer

Rui Liu, Ling Jun Kong, Zhou Xiang Wang, Yu Si, Wen Rong Qi, Shuang Yin Huang, Chenghou Tu, Yongnan Li*, Hui Tian Wang

*此作品的通讯作者

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2 引用 (Scopus)

摘要

We present a two-photon interference experiment in a modified Mach-Zehnder (MZ) interferometer in which two Hong-Ou-Mandel effects occur in tandem and construct superposed two-photon states. The signal photons pass both the arms of the MZ interferometer while the idler photons pass one arm only. Interestingly, the probability of the idler photons emerging from any output port still shows a sine oscillation with the two-photon phase difference and it can be characterized only by the indistinguishability of the two-photon amplitudes. We also observe a two-photon interference pattern with a period being equal to the wavelength of the parametric photons instead of the two-photon photonic de Broglie wavelength due to the presence of two-photon phase difference, in particular, with complementary probabilities of finding the two-photon pairs in two output ports. The abundant observations can facilitate a more comprehensive understanding of the two-photon interference.

源语言英语
文章编号090303
期刊Chinese Physics Letters
35
9
DOI
出版状态已出版 - 9月 2018
已对外发布

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Liu, R., Kong, L. J., Wang, Z. X., Si, Y., Qi, W. R., Huang, S. Y., Tu, C., Li, Y., & Wang, H. T. (2018). Two-Photon Interference Constructed by Two Hong-Ou-Mandel Effects in One Mach-Zehnder Interferometer. Chinese Physics Letters, 35(9), 文章 090303. https://doi.org/10.1088/0256-307X/35/9/090303