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Related papers: Spectrally Multiplexed Hong-Ou-Mandel Interference

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We examine multiphoton interference with a symmetric $SU(N)$ beam splitter $S_N$, an extension of features of the $SU(2)$ 50/50 beam splitter extended Hong-Ou-Mandel (eHOM) effect, whereby one obtains a zero amplitude (probability) for the…

Quantum Physics · Physics 2026-01-08 Paul M. Alsing , Richard J. Birrittella , Peter L. Kaulfuss

Hong-Ou-Mandel (HOM) interference of multi-mode frequency entangled states plays a crucial role in quantum metrology. However, as the number of modes increases, the HOM interference pattern becomes increasingly complex, making it…

Quantum Physics · Physics 2023-10-17 Yan Guo , Zi-Xiang Yang , Zi-Qi Zeng , Chunling Ding , Ryosuke Shimizu , Rui-Bo Jin

Near-infrared Hong-Ou-Mandel quantum interference is observed in silicon nanophotonic directional couplers with raw visibilities on-chip at 90.5%. Spectrally-bright 1557-nm two-photon states are generated in a periodically-poled KTiOPO4…

Nonlocal quantum correlation has been the main issue of quantum mechanics over the last century. The Hong-Ou-Mandel (HOM) effect relates to the two-photon intensity correlation on a beam splitter, resulting in a nonclassical photon-bunching…

Quantum Physics · Physics 2023-07-04 B. S. Ham

We report an experimental demonstration of room-temperature Hong-Ou-Mandel (HOM) interference at a radio-wave frequency of 120 MHz using conditional build-up of quantum states from classical phase-averaged coherent states. This approach…

The celebrated Hong, Ou and Mandel (HOM) effect is one of the simplest illustrations of two-particle interference, and is unique to the quantum realm. In the original experiment, two photons arriving simultaneously in the input channels of…

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

In this theoretical study we demonstrate that entangled states are able to significantly extend the functionality of Hong-Ou-Mandel (HOM) interferometers. By generating a coherent superposition of parametric-down-conversion photons and…

Quantum Physics · Physics 2018-02-07 P. R. Sharapova , K. H. Luo , H. Herrmann , M. Reichelt , C. Silberhorn , T. Meier

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

In quantum mechanics, the exchange symmetry of wave functions for identical particles has observable effects, including the widely studied Hong-Ou-Mandel (HOM) effect. A theoretical description using second quantization is elegant but…

Quantum Physics · Physics 2024-08-30 Zhi Jiao Deng , Xin Zhang , Yong Shen , Wei Tao Liu , Ping Xing Chen

We develop a fully spatio-temporal numerical model, based on stochastic simulations, simulating the generation of spatio-temporal multimode spontaneous parametric down conversion, the propagation of the signal and idler beams through a…

Quantum Physics · Physics 2019-07-31 Fabrice Devaux , Alexis Mosset , Eric Lantz

A peak in coincidence events has been observed in a modified Hong-Ou-Mandel interferometer fed with weak coherent states inside the region of overlapping wave-packets. The inversion of the usual interference pattern represented by the HOM…

Quantum Physics · Physics 2016-03-14 G. C. Amaral , F. Calliari , T. Ferreira da Silva , G. P. Temporão , J. P. von der Weid

Two-photon interference effects, such as the Hong-Ou-Mandel (HOM) effect, can be used to characterize to what extent two photons are identical. Identical photons are necessary for both linear optics quantum computing and single-photon…

Quantum Physics · Physics 2014-06-06 Imran M. Mirza , S. J. van Enk

When quantum state amplitudes interfere, surprising non-classical features emerge which emphasis the roles of indistinguishability and discreteness in quantum mechanics. A famous example in quantum optics is the Hong Ou Mandel interference…

Interference of two photons at a beamsplitter is at the core of many quantum photonic technologies, such as quantum key distribution or linear-optics quantum computing. Observing high-visibility interference is challenging because of the…

Interference between two completely independent photons lies at the heart of many photonic quantum information applications such as quantum repeaters, teleportation, and quantum key distribution. Here, we report the observation of…

Quantum Physics · Physics 2021-06-07 Heonoh Kin , Danbi Kim , Jiho Park , Han Seb Moon

The observation of the Hong-Ou-Mandel (HOM)-type two-photon interference (TPI) has played an important role in the development of photonic quantum technologies. The time-resolved coincidence-detection technique has been effectively used to…

Quantum Physics · Physics 2021-06-16 Heonoh Kim , Osung Kwon , Han Seb Moon

Recently, different experimental methods intended to detect the entangled two-photon absorption (ETPA) phenomenon in a variety of materials have been reported. The present work explores a different approach on which the ETPA process is…

Quantum Physics · Physics 2023-04-26 Freiman Triana-Arango , Gabriel Ramos-Ortiz , Roberto Ramírez-Alarcón

Two-photon intensity correlation of the Hong-Ou-Mandel (HOM) effect has been intensively studied over the last several decades for one of the most interesting quantum features. According to the particle nature of quantum mechanics,…

Quantum Physics · Physics 2022-11-22 B. S. Ham

Hong-Ou-Mandel (HOM) effect was long believed to be a two-photon interference phenomenon. It describes the fact that two indistinguishable photons mixed at a beam splitter will bunch together to one of the two output modes. Considering the…

Quantum Physics · Physics 2018-06-13 Li-Kai Yang , Han Cai , Tao Peng , Da-Wei Wang