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Related papers: Exploiting light coherence in astrophysics

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We perform two-pion Hanbury Brown-Twiss (HBT) interferometry for the partially coherent pion-emitting sources in relativistic heavy-ion collisions, using a multi-phase transport (AMPT) model. A longitudinal coherent emission length, as well…

Nuclear Theory · Physics 2024-02-02 Shi-Yao Wang , Jun-Ting Ye , Wei-Ning Zhang

The second order photon correlation g^(2)(tau) of a chaotic optical-feedback semiconductor laser is precisely measured using a Hanbury Brown-Twiss interferometer. The accurate g^(2)(tau) with non-zero delay time is obtained experimentally…

Quantum Physics · Physics 2019-11-22 Xiaomin Guo , Chen Cheng , Tong Liu , Xin Fang , Yanqiang Guo

A pairwise correlation function in relative momentum space is discussed as a tool to characterize the properties of an incoherent source of non-interacting Abelian anyons. This is analogous to the Hanbury--Brown Twiss effect for particles…

Quantum Physics · Physics 2009-11-10 T. D. Gutierrez

The theory of the beam splitter (BS) in quantum optics is well developed and based on fairly simple mathematical and physical foundations. This theory has been developed for any type of BS and is based on the constancy of the reflection…

Quantum Physics · Physics 2022-11-08 D. N. Makarov

We report the first intensity correlation measured with star light since Hanbury Brown and Twiss' historical experiments. The photon bunching $g^{(2)}(\tau, r=0)$, obtained in the photon counting regime, was measured for 3 bright stars,…

Instrumentation and Methods for Astrophysics · Physics 2018-08-14 W. Guerin , A. Dussaux , M. Fouché , G. Labeyrie , J. -P. Rivet , D. Vernet , F. Vakili , R. Kaiser

We present a tutorial on the phenomenon of induced coherence without induced emission, and specifically its application to imaging and metrology. It is based on a striking effect where two nonlinear crystals, by sharing a coherent pump and…

Quantum Physics · Physics 2024-07-29 Gabriela Barreto Lemos , Mayukh Lahiri , Sven Ramelow , Radek Lapkiewicz , William Plick

Hanbury-Brown--Twiss interferometry is a technique which yields effective widths (i.e., "HBT radii") of homogeneity regions in the fireballs produced in heavy ion collisions. Because the initial conditions of these collisions are…

Nuclear Theory · Physics 2015-10-28 Christopher Plumberg , Ulrich Heinz

The photon statistics and bunching of a semiconductor laser with external optical feedback are investigated experimentally and theoretically. In a chaotic regime, the photon number distribution is measured and undergoes a transition from…

Quantum Physics · Physics 2018-04-04 Yanqiang Guo , Chunsheng Peng , Yulin Ji , Pu Li , Yuanyuan Guo , Xiaomin Guo

We present a time-dependent quantum calculations of the first order and second order photon correlation functions for the scattering of a single-photon pulse on a two-level atom (qubit) embedded in a one-dimensional open waveguide. Within…

Quantum Physics · Physics 2025-11-05 Ya. S. Greenberg. O. A. Chuikin , A. G. Moiseev , A. A. Shtygashev

Hanbury-Brown-Twiss interferometry (HBTI) is used to study integer and fractionally filled Mott Insulator (MI) phases in period-2 optical superlattices. In contrast to the quasimomentum distribution, this second order interferometry pattern…

Soft Condensed Matter · Physics 2009-11-11 Ana Maria Rey , Indubala I. Satija , Charles W. Clark

With the current revival of interest in astronomical intensity interferometry, it is interesting to revisit the associated theory, which was developed in the 1950s and 1960s. This paper argues that intensity interferometry can be understood…

Instrumentation and Methods for Astrophysics · Physics 2020-09-17 Prasenjit Saha

Hanbury Brown-Twiss (HBT) results of the neutron-proton correlation function have been systematically investigated for a series nuclear reactions with light projectiles with help of Isospin-Dependent Quantum Molecular Dynamics model. The…

Nuclear Theory · Physics 2008-11-26 Y. B. Wei , Y. G. Ma , W. Q. Shen , G. L. Ma , K. Wang , X. Z. Cai , C. Zhong , W. Guo , J. G. Chen , D. Q. Fang , W. D. Tian , X. F. Zhou

Quantum fields written on noncommutative spacetime (Groenewold - Moyal plane) obey twisted commutation relations. In this paper we show that these twisted commutation relations result in Hanbury-Brown Twiss (HBT) correlations that are…

High Energy Physics - Theory · Physics 2012-09-17 Rahul Srivastava

Low energy elastic scattering between clouds of Bose condensed atoms leads to the well known s-wave halo with atoms emerging in all directions from the collision zone. In this paper we discuss the emergence of Hanbury Brown and Twiss…

Other Condensed Matter · Physics 2009-11-13 Klaus Molmer , A. Perrin , V. Krachmalnicoff , V. Leung , D. Boiron , A. Aspect , C. I. Westbrook

Emitters of single-photons are essential resources for emerging quantum technologies and developed within different platforms including nonlinear optics, atomic and solid-state systems. The energy level structures of emission processes are…

Quantum Physics · Physics 2024-07-19 Luk\' aš Lachman , Ilya P. Radko , Maxime Bergamin , Ulrik L. Andersen , Radim Filip

We study the impacts of the squeezing effect caused by in-medium mass modification on the Hanbury Brown-Twiss (HBT) correlation of $\phi\phi$ using a hydrodynamical source. The squeezing effect reduces the influence of transverse flow on…

High Energy Physics - Phenomenology · Physics 2025-04-28 Yong Zhang , Peng Ru

We exploit low spatial coherence illumination to dephase time-reversed partial waves outside its finite coherence area, which virtually creates a controllable coherence volume and isolates the minimal number of scattering events from higher…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Young L. Kim , Prabhakar Pradhan , Hariharan Subramanian , Yang Liu , Min H. Kim , Vadim Backman

We analyze the pion femtoscopy correlations in noncentral Au-Au and Pb-Pb collisions. The azimuthally sensitive Hanbury Brown-Twiss (HBT) method is used to extract the interferometry radii depending on the azimuthal angle with respect to…

Nuclear Theory · Physics 2014-05-08 Piotr Bozek

We experimentally investigate the second-order quantum coherence function of a superradiant burst in a cascaded quantum system. We chirally (i.e. direction-dependently) couple roughly 900 cesium atoms to the forward propagating mode of an…

By modulating the intensity of laser light before the rotating groundglass, the well-known pseudothermal light source can be modified into superbunching pseudothermal light source, in which the degree of second-order coherence of the…