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A practical quantum measurement method based on the quantum nature of anti-bunching photon emission has been developed to detect single particles without the restriction of the diffraction limit. By simultane- ously counting the…

Quantum Physics · Physics 2013-05-24 Jin-Ming Cui , Fang-Wen Sun , Xiang-Dong Chen , Zhao-Jun Gong , Guang-Can Guo

In this paper, we proposed a pseudo antibunching effect on one single photon detector. Though this pseudo antibunching effect is not a sign of the non classical properties of the light field as the antibunching effect. It will give some…

Quantum Physics · Physics 2016-07-19 Jianhong Shi , Yuxing Liu , Guihua Zeng

A model of photo-detection using a Bose--Einstein condensate in an atom-chip based micro trap is analyzed. Atoms absorb photons from the incident light field, receive part of the photon momentum and leave the trap potential. Upon counting…

Quantum Physics · Physics 2009-11-13 S. Wallentowitz , A. B. Klimov

Photon antibunching, a hallmark of quantum light, has been observed in the correlations of light from isolated atomic and atomic-like solid-state systems. Two-dimensional semiconductor heterostructures offer a unique method to create a…

It is commonly believed that photon polarisation entanglement can only be obtained via pair creation within the same source or via postselective measurements on photons that overlapped within their coherence time inside a linear optics…

Quantum Physics · Physics 2009-11-10 Yuan Liang Lim , Almut Beige

We report the experimental observation of photon bunching noise through shot noise measurements made on a pseudo-thermal state of light using balanced detection. A full theory describing the measurement is developed, and in agreement with…

Instrumentation and Detectors · Physics 2018-05-08 Richard Lieu , Michael Stefszky , Johann , C. -H. Shi

Correlations of luminescence intensity have been studied under Bose-Einstein condensation of dipolar excitons in the temperature range of 0.45-4.2 K. Photoexcited dipolar excitons were collected in a lateral trap in GaAs/AlGaAs…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. V. Gorbunov , V. B. Timofeev , D. A. Demin , A. A. Dremin

Spectral filtering of resonance fluorescence is widely employed to improve single photon purity and indistinguishability by removing unwanted backgrounds. For filter bandwidths approaching the emitter linewidth, complex behaviour is…

Cathodoluminescence (CL), the emission of light induced by accelerated free electrons, has been extensively utilized in various applications, such as displays, streak cameras, and high-spatial-resolution analysis of optical material,…

As single-photon sources become more mature and are used more often in quantum information, communications and measurement applications, their characterization becomes more important. Single-photon-like light is often characterized by its…

The narrowing of electron and ion wave packets in the process of photoionization is investigated, with the electron-ion recoil fully taken into account. Packet localization of this type is directly related to entanglement in the joint…

Quantum Physics · Physics 2009-11-10 M. V. Fedorov , M. A. Efremov , A. E. Kazakov , K. W. Chan , C. K. Law , J. H. Eberly

We show that the commonly accepted treatment of the photon antibunching effect as a natural consequence of a probability distribution of particles in a particle flow contradicts the high visibility of the experimentally observed intensity…

Quantum Physics · Physics 2019-10-22 M. V. Suslov , M. V. Lebedev

Resonance fluorescence arises from the interaction of an optical field with a two-level system and has played a fundamental role in the development of quantum optics and its applications. Despite its conceptual simplicity it entails a wide…

We study the photon blockade of two-photon scattering in a one-dimensional waveguide, which contains two atoms coupled via the Rydberg interaction. We obtain the analytic scattering solution of photonic wave packets with the Laplace…

Quantum Physics · Physics 2015-06-11 Jin-Feng Huang , Jie-Qiao Liao , C. P. Sun

Light from thermal black body radiators such as stars exhibits photon bunching behaviour at sufficiently short timescales. However, with available detector bandwidths, this bunching signal is difficult to be directly used for intensity…

Quantum Physics · Physics 2014-06-17 Peng Kian Tan , Guang Hui Yeo , Hou Shun Poh , Aik Hui Chan , Christian Kurtsiefer

Here we report the measurement of thermal photon statistics from a semiconductor photon Bose-Einstein condensate operating just above the condensation threshold. We identify a regime where coherent, single mode emission occurs while still…

Quantum entanglement is central to both the foundations of quantum mechanics and the development of new technologies in information processing, communication, and sensing. Entanglement has been realised in a variety of physical systems,…

Quantum Physics · Physics 2025-04-18 Jan-Wilke Henke , Hao Jeng , Murat Sivis , Claus Ropers

We investigate the photon statistics of the light emitted by single self-assembled hybrid gold-CdSe/CdS/CdZnS colloidal nanocrystal supraparticles through the detailed analysis of the intensity autocorrelation function $g^{(2)}(\tau)$. We…

Mesoscale and Nanoscale Physics · Physics 2023-02-16 V. Blondot , D. Gérard , G. Quibeuf , C. Arnold , A. Delteil , A. Bogicevic , T. Pons , N. Lequeux , S. Buil , J-P. Hermier

Generating correlated photon pairs at the nanoscale is a prerequisite to creating highly integrated optoelectronic circuits that perform quantum computing tasks based on heralded single-photons. Here we demonstrate fulfilling this…

Mesoscale and Nanoscale Physics · Physics 2019-05-14 Christopher Leon , Anna Rosławska , Abhishek Grewal , Olle Gunnarsson , Klaus Kuhnke , Klaus Kern

We have measured the second-order correlation function of the cavity-QED microlaser output and observed a transition from photon bunching to antibunching with increasing average number of intracavity atoms. The observed correlation times…

Quantum Physics · Physics 2013-05-29 Wonshik Choi , Jai-Hyung Lee , Kyungwon An , C. Fang-Yen , R. R. Dasari , M. S. Feld
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