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The Hong-Ou-Mandel interference effect lies at the heart of many emerging quantum technologies whose performance can be significantly enhanced with increasing numbers of entangled modes one could measure and thus utilize. Photon pairs…

Quantum Physics · Physics 2022-06-08 Xiaoqin Gao , Yingwen Zhang , Alessio D'Errico , Khabat Heshami , Ebrahim Karimi

The Hong-Ou-Mandel (HOM) effect is a striking demonstration of destructive quantum interference between pairs of indistinguishable bosons, realised so far only with massless photons. Here we propose an experiment which can realise this…

Quantum Physics · Physics 2014-04-29 R. J. Lewis-Swan , K. V. Kheruntsyan

The interference between two independent photons stands as a crucial aspect of numerous quantum information protocols and technologies. In this work, we leverage fiber-coupled devices, which encompass fibered photon pair-sources and…

Quantum Physics · Physics 2024-12-19 Mathis Cohen , Laurent Labonté , Romain Dalidet , Sébastien Tanzilli , Anthony Martin

The ability to entangle distant quantum nodes is essential for the construction of quantum networks and for quantum information processing. For solid-state quantum emitters used as qubits, it can be achieved by photon interference. When the…

Quantum Physics · Physics 2019-10-23 Herbert F Fotso

Particle distinguishability is a significant challenge for quantum technologies, in particular photonics where the Hong-Ou-Mandel (HOM) effect clearly demonstrates it is detrimental to quantum interference. We take a representation…

Quantum Physics · Physics 2018-10-24 Stasja Stanisic , Peter S. Turner

We report on a Hong-Ou-Mandel (HOM) interference experiment for quantum states with photon numbers per mode as large as 10^6 generated via high-gain parametric down conversion (PDC). The standard technique of coincidence counting leads in…

Quantum Physics · Physics 2015-06-11 Timur Sh. Iskhakov , Kirill Yu. Spasibko , Maria V. Chekhova , Gerd Leuchs

Quantum information is the next frontier in information science, promising unconditionally secure communications, enhanced channel capacities, and computing capabilities far beyond their classical counterparts. And as quantum information…

We provide a tool for measuring the Stokes parameters and the degree of polarization of single photons by employing second order interference, namely the Hong-Ou-Mandel (HOM) interferometer. It is shown that the technique is able to…

Quantum Physics · Physics 2023-12-22 Guilherme P. Temporão , Pedro Ripper , Thiago B. Guerreiro , Gustavo C. do Amaral

We report the first observation of Hong-Ou-Mandel (HOM) interference of highly indistinguishable photon pairs with spatial resolution. Direct imaging of two-photon coalescence with an intensified sCMOS camera system clearly reveals…

Quantum Physics · Physics 2015-03-31 Michał Jachura , Radosław Chrapkiewicz

We demonstrate a method to determine the spectral purity of single photons. The technique is based on the Hong-Ou-Mandel (HOM) interference between a single photon state and a suitably prepared coherent field. We show that the temporal…

Quantum Physics · Physics 2010-12-07 Katiuscia N. Cassemiro , Kaisa Laiho , Christine Silberhorn

A modified Hong--Ou--Mandel (HOM) interference reveals that the two-photon interference phenomenon can be explained only by the concept of a two-photon wave packet rather than a single-photon one. However, the temporal interferogram in the…

Quantum Physics · Physics 2022-12-29 Baihong Li , Boxin Yuan , Changhua Chen , Xiao Xiang , Runai Quan , Ruifang Dong , Shougang Zhang , Rui-Bo Jin

The quantum synchronization based on frequency-correlated photon pairs and HOM interference has shown femtosecond-level precision and great application prospect in numerous fields depending on high-precision timefrequency signals. Due to…

Quantum Physics · Physics 2024-06-19 Yuting Liu , Runai Quan , Xiao Xiang , Huibo Hong , Tao Liu , Ruifang Dong , Shougang Zhang

The Hong-Ou-Mandel effect lies at the heart of quantum interferometry, having multiple applications in the field of quantum information processing and no classical counterpart. Despite its popularity, only a few works have considered…

Quantum Physics · Physics 2021-10-07 Olli Siltanen , Tom Kuusela , Jyrki Piilo

In this paper, we propose a novel method for interfering frequency-multiplexed photonic quantum states without the use of optical nonlinear effects, and experimentally demonstrate this technique via frequency-domain Hong-Ou-Mandel (HOM)…

The Hong-Ou-Mandel interference experiment is a fundamental demonstration of nonclassical interference and a basis for many investigations of quantum information. This experiment involves the interference of two photons reaching a symmetric…

Quantum Physics · Physics 2023-04-05 Nicholas S. DiBrita , Enrique J. Galvez

Hong-Ou-Mandel (HOM) interference is a fundamental tool for assessing photon indistinguishability in quantum information processing. While the effect of chromatic dispersion on HOM interference has been widely studied, the interplay between…

Quantum Physics · Physics 2026-05-22 T. J. Walstra , A. J. Hasenack , D. J. de Ruiter , P. W. H. Pinkse , T. D. Bradley , B. Skoric

The Hong-Ou-Mandel (HOM) effect is a hallmark of nonclassical two-photon interference. This paper develops a unified theory-numerics framework to compute angle-resolved far-field two-photon correlations from arbitrary lossless dielectric…

Quantum Physics · Physics 2026-04-22 Chengnian Huang , Hangyu Ge , Yijia Cheng , Zi He , Feng Liu , Wei E. I. Sha

Scalability and miniaturization are hallmarks of solid-state platforms for photonic quantum technologies. Still a main challenge is two-photon interference from distinct emitters on chip. This requires local tuning, integration and novel…

Quantum Physics · Physics 2022-01-19 R. Duquennoy , M. Colautti , R. Emadi , P. Majumder , P. Lombardi , C. Toninelli

Hong-Ou-Mandel (HOM) interference is demonstrated experimentally for entangled photon pairs in the Hermite-Gauss (HG) basis. We use two Dove prisms in one of the paths of the photons to manipulate the entangled quantum state that enters the…

Quantum Physics · Physics 2016-10-05 Yingwen Zhang , Filippus S. Roux , Ebrahim Karimi , Andrew Forbes

Optical vector modes (VMs), characterized by spatially varying polarization distributions, have become essential tools across microscopy, metrology, optical trapping, nanophotonics, and optical communications. The Hong-Ou-Mandel (HOM)…

Quantum Physics · Physics 2025-08-12 Xiaoqin Gao , Dilip Paneru , Francesco Di Colandrea , Yingwen Zhang , Ebrahim Karimi