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The coherence effects induced by external photons coupled to matter waves inside a Mach-Zehnder three-grating interferometer are analyzed. Alternatively to atom-photon entanglement scenarios, the model considered here only relies on the…

Quantum Physics · Physics 2012-04-09 M. Davidovic , A. S. Sanz , M. Bozic , D. Arsenovic

We consider a mesoscopic circuit in the quantum Hall effect regime comprising two synchronized single-particle sources emitting particles into a Mach-Zehnder interferometer. While particles from one source can possibly interfere at the…

Mesoscale and Nanoscale Physics · Physics 2011-10-25 Stefan Juergens , Janine Splettstoesser , Michael Moskalets

We theoretically discuss one-photon and two-photon double-slit interferences for spontaneous and stimulated parametric down-conversions. We show that the two-photon sub-wavelength interference can exist in a general spontaneous parametric…

Quantum Physics · Physics 2009-11-10 De-Zhong Cao , Zhuan Li , Yan-Hua Zhai , Kaige Wang

We report the experimental observation of a spatio-temporal Hong-Ou-Mandel (HOM) interference of bi-photon states of extremely high Schmidt number. Two-photon interference of 1500 spatial modes and a total of more than 3x10^6…

Quantum Physics · Physics 2020-08-19 Fabrice Devaux , Alexis Mosset , Paul-Antoine Moreau , Eric Lantz

We investigate theoretically the behavior of the current oscillations in an electronic Mach-Zehnder interferometer (MZI) as a function of its source bias. Recently, The MZI interference visibility showed an unexplained lobe pattern behavior…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 I. Neder , E. Ginossar

When a photon interferes with itself while traversing a Mach-Zehnder inteferometer, the output port where it emerges is influenced by the phase difference between the interferometer arms. This allows for highly precise estimation of the…

Quantum Physics · Physics 2022-12-28 Hannah Scott , Dominic Branford , Niclas Westerberg , Jonathan Leach , Erik M. Gauger

In this paper, we investigate the influence of the symmetry of the biphoton wavefunction on the coincidence measurement of the generalized Mach-Zehnder (MZ) interferometer, where there are a temporal and frequency shift operations between…

Quantum Physics · Physics 2022-06-01 Nicolas Fabre

The second-order spatial and temporal interference patterns with two independent single-mode He-Ne lasers are observed in a Hong-Ou-Mandel interferometer. Two-photon interference in Feynman's path integral theory is employed to interpret…

Optics · Physics 2015-04-29 Jianbin Liu , Minglan Le , Bin Bai , Wentao Wang , Hui Chen , Yu Zhou , Fu-Li Li , Zhuo Xu

We study the interference between two parallel-propagating Gaussian beams, originated from the same source, as their transverse separation is tuned. The interference pattern as a function of such separation lead us to determine the spatial…

We report an interference experiment that shows transverse spatial antibunching of photons. Using collinear parametric down-conversion in a Young-type fourth-order interference setup we show interference patterns that violate the classical…

Quantum Physics · Physics 2009-11-07 W. A. T. Nogueira , S. P. Walborn , S. Padua , C. H. Monken

The second-order temporal interference between two independent single-mode continuous-wave lasers is discussed by employing two-photon interference in Feynman's path integral theory. It is concluded that whether the second-order temporal…

Optics · Physics 2016-03-18 Jianbin Liu , Dong Wei , Hui Chen , Yu Zhou , Huaibin Zheng , Hong Gao , Fu-li Li , Zhuo Xu

The experimental study of the second-order interference with fermions is much less than the one with bosons since it is much more difficult to do experiments with fermions than with photons. Based on the conclusion that the behavior of two…

Quantum Physics · Physics 2017-05-25 Jianbin Liu , Hui Chen , Yu Zhou , Huaibin Zheng , Fu-li Li , Zhuo Xu

The distinguishing of the multiphoton quantum interference effect from the classical one forms one of the most important issues in modern quantum mechanics and experimental quantum optics. For a long time, the two-photon interference (TPI)…

Quantum Physics · Physics 2020-01-09 Heonoh Kim , Osung Kwon , Han Seb Moon

We present one- and two-photon diffraction and interference experiments involving parametric down-converted photon pairs. By controlling the divergence of the pump beam in parametric down-conversion, the diffraction-interference pattern…

Quantum Physics · Physics 2009-11-13 Ryosuke Shimizu , Keiichi Edamatsu , Tadashi Itoh

We demonstrate a novel second-order spatial interference effect between two indistinguishable pairs of disjoint optical paths from a single chaotic source. Beside providing a deeper understanding of the physics of multi-photon interference…

Quantum Physics · Physics 2017-03-30 Michele Cassano , Milena D'Angelo , Augusto Garuccio , Tao Peng , Yanhua Shih , Vincenzo Tamma

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

It is well known that direct observation of interference and diffraction pattern in the intensity distribution requires a spatially coherent source. Optical waves emitted from portions beyond the coherence area possess statistically…

Optics · Physics 2009-11-13 Su-Heng Zhang , Lu Gao , Jun Xiong , Li-Juan Feng , De-Zhong Cao , Kaige Wang

Differing from the traditional method of achieving subwavelength interference, we have demonstrated the two-photon subwavelength interference effect of broadband chaotic light in a polarization-selective Michelson interferometer with an…

Quantum Physics · Physics 2021-09-15 Sheng Luo , Yu Zhou , Huaibin Zheng , Wanting Xu , Jianbin Liu , Hui Chen , Yuchen He , Shuanghao Zhang , Fuli Li , Zhuo Xu

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

Two-photon interference is a fundamental quantum optics effect with numerous applications in quantum information science. Here, we study two-photon interference in multiple transverse-spatial modes along a single beam-path. Besides…

Quantum Physics · Physics 2021-03-31 Markus Hiekkamäki , Robert Fickler