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Related papers: Exploiting light coherence in astrophysics

200 papers

Intensity-interferometry based on Hanbury-Brown and Twiss's seminal experiment for determining the radius of the star Sirius formed the basis for developing the quantum theory of light. To date, the principle of this experiment is used in…

Quantum Physics · Physics 2022-09-07 Adrian E. Rubio Lopez , Ashwin K. Boddeti , Fanglin Bao , Hyunsoo Choi , Zubin Jacob

The rich physics exhibited by random optical wave fields permitted Hanbury Brown and Twiss to unveil fundamental aspects of light. Furthermore, it has been recognized that optical vortices are ubiquitous in random light and that the phase…

In a pioneering experiment, Hanbury Brown and Twiss (HBT) demonstrated that noise correlations could be used to probe the properties of a (bosonic) particle source through quantum statistics; the effect relies on quantum interference…

Other Condensed Matter · Physics 2007-05-23 Simon Foelling , Fabrice Gerbier , Artur Widera , Olaf Mandel , Tatjana Gericke , Immanuel Bloch

Two-photon interference is a fundamental resource for quantum technologies and optical quantum computing, underpinning precision measurements, scalable entanglement distribution, and the operation of photonic circuits and quantum network…

Stellar intensity interferometry consists in measuring the correlation of the light intensity fluctuations at two telescopes observing the same star. The amplitude of the correlation is directly related to the luminosity distribution of the…

Instrumentation and Methods for Astrophysics · Physics 2025-10-27 William Guerin , Mathilde Hugbart , Sarah Tolila , Nolan Matthews , Olivier Lai , Jean-Pierre Rivet , G. Labeyrie , Robin Kaiser

Gravitational microlensing within the Galaxy offers the prospect of probing the details of distant stellar sources, as well as revealing the distribution of compact (and potentially non-luminous) masses along the line-of-sight. Recently, it…

Astrophysics of Galaxies · Physics 2020-01-08 Geraint F. Lewis , Peter Tuthill

We have realized a quantum optics like Hanbury Brown and Twiss (HBT) experiment by partitioning, on an electronic beam-splitter, single elementary electronic excitations produced one by one by an on-demand emitter. We show that the…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 E. Bocquillon , F. D. Parmentier , C. Grenier , J. -M. Berroir , P. Degiovanni , D. C. Glattli , B. Plaçais , A. Cavanna , Y. Jin , G. Fève

Two-photon interference is an interesting quantum phenomenon that is usually captured in two distinct types of experiments, namely the Hanbury-Brown-Twiss (HBT) experiment and the Hong- Ou-Mandel (HOM) experiment. While the HBT experiment…

Quantum Physics · Physics 2025-08-07 Kamran Nazir , Tabish Qureshi

The original intensity interferometers were instruments built in the 1950s and 60s by Hanbury Brown and collaborators, achieving milli-arcsec resolutions in visible light without optical-quality mirrors. They exploited a then-novel physical…

Instrumentation and Methods for Astrophysics · Physics 2013-11-05 Vinay Malvimat , Olaf Wucknitz , Prasenjit Saha

A new approach to measure the second order correlation function $g^{(2)}$ and the coherence time was investigated. The $g^{(2)}$ was calculated from the photon pair time interval distribution by direct numerical self-convolution with the…

Optics · Physics 2016-04-20 Chen-How Huang , Yung-Hsiang Wen , Yi-Wei Liu

We propose a novel approach to probe primordial inhomogeneity in hot and dense matter which could be realized in non-central heavy-ion collisions. Although the Hanbury Brown and Twiss (HBT) interferometry is commonly used to infer the…

High Energy Physics - Phenomenology · Physics 2024-03-12 Kenji Fukushima , Yoshimasa Hidaka , Katsuya Inoue , Kenta Shigaki , Yorito Yamaguchi

In this paper we investigate the close relationship between Dicke superradiance, originally predicted for an ensemble of two-level atoms in entangled states, and the Hanbury Brown and Twiss effect, initially established in astronomy to…

Quantum Physics · Physics 2016-07-07 D. Bhatti , S. Oppel , R. Wiegner , G. S. Agarwal , J. von Zanthier

The Hanbury-Brown Twiss correlation function for two identical particles is studied for systems with cylindrical symmetry. Its shape for small values of the relative momentum is derived in a model independent way. In addition to the usual…

High Energy Physics - Phenomenology · Physics 2022-02-23 Scott Chapman , Pierre Scotto , Ulrich Heinz

Two-photon superbunching of pseudothermal light is observed with single-mode continuous-wave laser light in a linear optical system. By adding more two-photon paths via three rotating ground glasses,g(2)(0) = 7.10 is experimentally…

Optics · Physics 2017-10-11 Bin Bai , Jianbin Liu , Yu Zhou , Huaibin Zheng , Hui Chen , Songlin Zhang , Yuchen He , Fuli Li , Zhuo Xu

Owing to the analogy with the ordinary photons in the visible range of the electromagnetic spectrum, the Glauber theory is generalized to address the quantum coherence of the gauge field fluctuations parametrically amplified during an…

General Relativity and Quantum Cosmology · Physics 2017-11-20 Massimo Giovannini

Sonoluminescence may be studied in detail by intensity correlations among the emitted photons. As an example, we discuss an experiment to measure the size of the light-emitting region by the Hanbury Brown-Twiss effect. We show that single…

Quantum Physics · Physics 2009-10-30 S. Trentalange , S. U. Pandey

Currently, the only known way to obtain experimental information about the space-time structure of a heavy-ion collision is through 2-particle momentum correlations. Azimuthally sensitive HBT interferometry (Hanbury Brown-Twiss intensity…

Nuclear Theory · Physics 2011-07-01 Evan Frodermann , Ulrich Heinz

Most observational techniques in astronomy can be understood as exploiting the various forms of the first-order correlation function g^(1). As however demonstrated by the Narrabri Stellar Intensity Interferometer back in the 1960's by…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 C. Foellmi

We show that the essential physics of the Hanbury Brown-Twiss (HBT) and the thermal light ghost imaging experiments is the same, i.e., due to the intensity fluctuations of the thermal light. However, in the ghost imaging experiments, a…

Optics · Physics 2009-11-13 Li-Gang Wang , Sajid Qamar , Shi-Yao Zhu , M. Suhail Zubairy

By using the ghost imaging technique, we experimentally demonstrate the reconstruction of the diffraction pattern of a {\em pure phase} object by using the classical correlation of incoherent thermal light split on a beam splitter. The…

Quantum Physics · Physics 2007-05-23 M. Bache , D. Magatti , A. Gatti , E. Brambilla , F. Ferri , L. A. Lugiato