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Related papers: Two-photon bunching inside a quantum memory cell

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In this work, we demonstrate the on-chip two-photon interference between single photons emitted by a single self-assembled InGaAs quantum dot and an external laser. The quantum dot is embedded within one arm of an air-clad directional…

Mesoscale and Nanoscale Physics · Physics 2016-07-27 Nikola Prtljaga , Christopher Bentham , John O'Hara , Ben Royall , Edmund Clarke , Luke R Wilson , Maurice S Skolnick , A Mark Fox

Multiphoton interference effects can be measured with a single detector when two input photons are temporally well separated when compared with the dead time of the single-photon avalanche detector. Here we experimentally demonstrate that…

Quantum Physics · Physics 2017-08-02 Heonoh Kim , Sang Min Lee , Osung Kwon , Han Seb Moon

The celebrated Hong-Ou-Mandel effect is the paradigm of two-particle quantum interference. It has its roots in the symmetry of identical quantum particles, as dictated by the Pauli principle. Two identical bosons impinging on a beam…

Quantum Physics · Physics 2021-01-01 Nicolas J. Cerf , Michael G. Jabbour

We consider multimode two-photon interference at a beam splitter by photons created by spontaneous parametric down-conversion. The resulting interference pattern is shown to depend upon the transverse spatial symmetry of the pump beam. In…

Quantum Physics · Physics 2009-11-07 S. P. Walborn , A. N. de Oliveira , S. Pádua , C. H. Monken

In the original formulation of the Hong-Ou-Mandel (HOM) experiment, when two otherwise indistinguishable photons are incident upon the two input ports of a balanced beam splitter, they coalesce, always leaving via the same output port. It…

Quantum Physics · Physics 2025-10-27 Felix Mann , Helen M. Chrzanowski , Marlon Placke , Felipe Gewers , Sven Ramelow

We analyze the interference of individual photons in a linear-optical setup comprised of two overlapping Mach-Zehnder interferometers joined via a common beam splitter. We show how, in this setup, two kinds of standard interference effects…

Quantum Physics · Physics 2025-06-17 Kevin J. Randles , S. J. van Enk

Hong-Ou-Mandel (HOM) interference, the bunching of indistinguishable photons at a beam splitter, is a staple of quantum optics and lies at the heart of many quantum sensing approaches and recent optical quantum computers. Here, we report a…

Quantum Information Processing, from cryptography to computation, based upon linear quantum optical circuit elements relies heavily on the ability offered by the Hong-Ou-Mandel (HOM) Effect to route photons from separate input modes into…

Quantum Physics · Physics 2014-04-23 Edwin E. Hach , Stefan F. Preble , Ali W. Elshaari , Paul M. Alsing , Michael L. Fanto

Two-photon interference effects arise because photons are indistinguishable particles. In the wellknown Hong-Ou-Mandel (HOM) effect, the transmission of two photons at a beam splitter interferes destructively with the reflection of both…

Quantum Physics · Physics 2026-04-14 Yuki Kodama , Jonte R. Hance , Holger F. Hofmann

In quantum mechanics, photons are bosons -- there is no restriction on the number of them that occupy the same quantum state, so many of them can bunch together, and this is well known as photon bunching effect. However, photon bunching and…

Quantum Physics · Physics 2021-05-18 Dianwen Zhang

The Hong-Ou-Mandel (HOM) effect is widely regarded as the quintessential quantum interference phenomenon in optics. In this work we examine how nonlinearity can smear statistical photon bunching in the HOM interferometer. We model both the…

Quantum Physics · Physics 2015-09-25 K. A. Ralley , I. V. Lerner , I. V. Yurkevich

Two-photon interference is a cornerstone of photonic quantum technologies. However, its practical implementation in promising hybrid architectures is severely constrained by the requirement of photon wavepacket indistinguishability, in…

Quantum repeater networks require independent quantum memories capable of storing and retrieving indistinguishable photons to perform high-repetition entanglement swapping operations. The ability to perform these coherent operations at room…

We theoretically investigate the quantum interference of entangled two-photon states generated in a nonlinear crystal pumped by femtosecond optical pulses. Interference patterns generated by the polarization analog of the Hong-Ou-Mandel…

Quantum Physics · Physics 2012-08-27 J. Perina, , A. V. Sergienko , B. M. Jost , B. E. A. Saleh , M. C. Teich

The Hong-Ou-Mandel (HOM) interference is one of the most intriguing quantum optical phenomena and crucial in performing quantum optical communication and computation tasks. Lately, twin beam emitters such as those relying on the process of…

Quantum Physics · Physics 2023-08-23 K. Laiho , T. Dirmeier , G. Shafiee , Ch. Marquardt

We examine in detail the quantum memory technique for photons in a double $\Lambda$ atomic ensemble in this work. The novel application of the present technique to create two different quantum probe fields as well as entangled states of…

Quantum Physics · Physics 2012-09-18 Xiong-Jun Liu , Hui Jing , Mo-Lin Ge

Two-photon Hong-Ou-Mandel (HOM) interference is a fundamental quantum effect with no classical counterpart. The exiting researches on two-photon interference were mainly limited in one degree of freedom (DoF), hence it is still a challenge…

In this paper, photonic entanglement and interference are described and analyzed with the language of quantum information process. Correspondingly, a photon state involving several degrees of freedom is represented in a new expression based…

Quantum Physics · Physics 2008-01-04 F. W. Sun , B. H. Liu , Y. F. Huang , Y. S. Zhang , Z. Y. Ou , G. C. Guo

The rapid growth of machine learning is increasingly constrained by the energy and bandwidth limits of classical hardware. Optical and quantum technologies offer an alternative route, enabling high-dimensional, parallel information…

The main features of quantum mechanics reside in interference deriving from the superposition of different quantum objects. While current quantum optical technology enables two-photon interference both in bulk and integrated systems,…