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Related papers: The physics of thermal light second-order interfer…

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We report observation of a counter-intuitive phenomenon in multi-path correlation interferometry with thermal light. The intensity correlation between the outputs of two unbalanced Mach-Zehnder interferometers (UMZI) with two classically…

Quantum Physics · Physics 2018-01-03 Yong Sup Ihn , Yosep Kim , Vincenzo Tamma , Yoon-Ho Kim

The interference phenomenon of light is a common but most important effect in physics. In this article, we compare and analyse the interference effects of both coherent and incoherent light; in particular, the interference of spatially…

Quantum Physics · Physics 2023-03-28 Kaige Wang

We introduce and describe a technique for distance sensing, based on second-order interferometry of thermal light. The method is based on measuring correlation between intensity fluctuations on two detectors, and provides estimates of the…

The first- and second-order temporal interference between two independent thermal and laser light beams is discussed by employing the superposition principle in Feynman's path integral theory. It is concluded that the first-order temporal…

Optics · Physics 2015-04-29 Jianbin Liu , Huaibin Zheng , Hui Chen , Yu Zhou , Fu-li Li , Zhuo Xu

The nature of two-photon interference is a subject that has aroused renewed interest in recent years and is still under debate. In this paper we report the first observation of two-photon interference with independent pseudo-thermal sources…

Quantum Physics · Physics 2009-11-13 Yan-Hua Zhai , Xi-Hao Chen , Ling-An Wu

By analyzing the first-order interference of two independent thermal light beams with both classical and quantum theories, we conclude that it is impossible to observe the transient first-order interference pattern by superposing two…

Optics · Physics 2016-03-21 Jianbin Liu

The second-order temporal interference of classical and nonclassical light at an asymmetrical beam splitter is discussed based on two-photon interference in Feynman's path integral theory. The visibility of the second-order interference…

Quantum Physics · Physics 2017-03-01 Jianbin Liu , Jingjing Wang , Zhuo Xu

We theoretically demonstrate a counter-intuitive phenomenon in optical interferometry with a thermal source: the emergence of second-order interference between two pairs of correlated optical paths even if the time delay imprinted by each…

Quantum Physics · Physics 2016-04-05 Vincenzo Tamma , Johannes Seiler

In this paper, we study two-photon interference of broadband chaotic light in a Michelson interferometer with two-photon-absorption detector. The theoretical analysis is based on two-photon interference and Feynman path integral theory. The…

Quantum Physics · Physics 2021-09-01 Y. Zhou , S. Luo , J. Liu , H. Zheng , H. Chen , Y. He , Y. Liu , F. Li , Z. Xu

Recently, Chen \em et al \rm.\ [Phys. Rev. A 84, 033835 (2011)] reported observation of anticorrelated photon coincidences in a Mach-Zehnder interferometer whose input light came from a mode-locked Ti:sapphire laser that had been rendered…

Quantum Physics · Physics 2012-02-21 Jeffrey H. Shapiro , Eric Lantz

We consider an interferometer based on the concept of induced coherence, where two photons that originate in different second-order nonlinear crystals can interfere. We derive a complementarity relationship that links the first-order…

Quantum Physics · Physics 2024-07-23 Gerard J. Machado , Lluc Sendra , Adam Vallés , Juan P. Torres

We consider the reflection from a random medium of light with short coherence length. We found that the second order correlation function of light can have a peak in a direction where the reflection angle is equal to angle of incidence.…

Mesoscale and Nanoscale Physics · Physics 2020-12-24 A. Yu. Zyuzin

Two-photon anticorrelation is observed when laser and pseudothermal light beams are incident to the two input ports of a Hong-Ou-Mandel interferometer, respectively. The spatial second-order interference pattern of laser and pseudothermal…

Optics · Physics 2014-04-01 Jianbin Liu , Yu Zhou , Fu-Li Li , Zhuo Xu

Induced-coherence interferometry, first introduced in the Zou-Wang-Mandel (ZWM) setup, enables retrieval of object information from the interference pattern of light that never interacted with the object. This scheme relies on two…

Quantum Physics · Physics 2025-11-06 L. Theerthagiri , Balakrishnan Viswanathan , C. M. Chandrashekar

Two-photon interference and "ghost" imaging with entangled light have attracted much attention since the last century because of the novel features such as non-locality and sub-wavelength effect. Recently, it has been found that…

Quantum Physics · Physics 2009-11-11 Yan-Hua Zhai , Xi-Hao Chen , Da Zhang , Ling-An Wu

When a photon is detected after passing through an interferometer one might wonder which path it took, and a meaningful answer can only be given if one has the means of monitoring the photon's whereabouts. We report the realization of a…

Quantum Physics · Physics 2018-08-09 Yink Loong Len , Jibo Dai , Berthold-Georg Englert , Leonid A. Krivitsky

We report an experiment of observation of classical double-slit interference fringes of two-photon interference. In the experiment, a commercial continuous-wave multi-mode F-P laser diode without either mode-locked or frequency-locked is…

Quantum Physics · Physics 2024-02-26 Hongmin Liu

The study of entangled states has greatly improved the basic understanding about two-photon interferometry. Two-photon interference is not the interference of two photons but the result of superposition among indistinguishable two-photon…

Quantum Physics · Physics 2009-11-10 Giuliano Scarcelli , Alejandra Valencia , Yanhua Shih

The indistinguishability of non-identical photons is dependent on detection system in quantum physics. If two photons with different wavelengths are indistinguishable for a detection system, there can be two-photon interference when these…

Optics · Physics 2017-03-02 Jianbin Liu , Yu Zhou , Huaibin Zheng , Hui Chen , Fu-Li Li , Zhuo Xu

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
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