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Dispersion-managed Hong-Ou-Mandel revival via a biphoton frequency comb

Xiang Cheng, Kai-Chi Chang, Murat Can Sarihan, Chee Wei Wong

Published Jan 1, 2023• 1 citation
Publisher

Abstract

We demonstrated the dispersion cancellation on two-photon Hong-Ou-Mandel interference revival via a biphoton frequency comb for the first time. The temporal spacing between Hong-Ou-Mandel interference dips can be modified by applying dispersion.
DOI
10.1364/cleo_fs.2023.ftu3a.4

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We present a complete analytical formalism of the effect of phase dispersion on the Hong-Ou-Mandel dip with cw pumping, including higher-order terms. We show that the Hong-Ou-Mandel dip is strongly modified by the frequency-dependent phase modulation and even becomes a bump when the phase dispersion is a special step function. We also show that the phase dispersion function can be fully reconstructed via Fourier transformation from the measurement result of the Hong-Ou-Mandel dip when the dispersion function is antisymmetric. An experimental demonstration of the proposed method using a bandpass filter as a test sample is also presented.
Dispersion cancellation with an energy-time entangled photon pair in Hong-Ou-Mandel (HOM) interference is one phenomenon that reveals the nonclassical nature of the entangled photon pair. This phenomenon has been observed in materials with very weak dispersions. If the higher-order dispersion coefficient is non-negligible, then the experiment must be modified to realize dispersion cancellation. All-order dispersion cancellation using balanced dispersion was suggested by Steinberg. However, the same phenomenon is expected to occur even if a photon pair is not entangled. This behaviour can be explained by path indistinguishability with identical dispersion. To achieve an all-order dispersion experiment that cannot be explained classically, we modified the experiment and performed another all-order dispersion cancellation experiment that cannot be explained by identical dispersion. This is the first demonstration of nonclassical all-order dispersion cancellation.