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We introduce a method for the verification of nonclassical light which is independent of the complex interaction between the generated light and the material of the detectors. This is accomplished by means of a multiplexing arrangement. Its…

We study the generation of strongly correlated photons by coupling an atom to photonic quantum fields in a one-dimensional waveguide. Specifically, we consider a three-level or four-level system for the atom. Photon-photon bound states…

Quantum Physics · Physics 2012-06-26 Huaixiu Zheng , Daniel J. Gauthier , Harold U. Baranger

Linear-optics gates, the enabling tool of photonic quantum information processing, depend on indistinguishable photons, as they harness quantum interference to achieve nonlinear operations. Traditionally, meeting this criterion involves…

Quantum Physics · Physics 2024-12-17 Ziv Aqua , Barak Dayan

The properties of four-wave interaction via the nonlinear quantum vacuum is investigated. The effect of the quantum vacuum is to generate photons with new frequencies and wave vectors, due to elastic photon-photon scattering. An expression…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Lundstrom , G. Brodin , J. Lundin , M. Marklund , R. Bingham , J. Collier , J. T. Mendonca , P. Norreys

Photon antibunching in the light scattered by single quantum emitters is one of the hallmarks of quantum optics, providing an unequivocal demonstration of the quantized nature of the electromagnetic field. Antibunching can be intuitively…

Quantum Physics · Physics 2017-02-03 Luigi Garziano , Alessandro Ridolfo , Simone De Liberato , Salvatore Savasta

We study the full field and frequency filtered output photon statistics of a resonator in thermal equilibrium with a bath and containing an arbitrarily large quartic nonlinearity. According to the general theory of photodetection, we derive…

Quantum Physics · Physics 2014-03-06 Alessandro Ridolfo , Elena del Valle , Michael J. Hartmann

The atom-photon entanglement of dressed atom and its spontaneous emission in a Double-Lambda closed-loop atomic system is studied in multi-photon resonance condition. It is shown that, even in the absence of quantum interference due to the…

Atomic and Molecular Clusters · Physics 2015-02-03 Zeinab Kordi , Saeed Ghanbari , Mohammad Mahmoudi

Photon-photon interactions are an essential requirement of quantum photonic information processing. One way to generate these interactions is to utilize an atom strongly coupled to an optical cavity. This system exhibits the photon blockade…

Quantum Physics · Physics 2022-05-31 Harjot Singh , Edo Waks

We report the observation of all-optically tunable Raman fluorescence from a single quantum dot. The Raman photons are produced in an optically-driven Lambda-system defined by subjecting the single electron charged quantum dot to a magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-04-10 G. Fernandez , T. Volz , R. Desbuquois , A. Badolato , A. Imamoglu

We study the dynamics of a system composed of two coupled cavities, each containing a single Rydberg atom. The interplay between Rydberg-Rydberg interaction and photon hopping enables the transition of the atoms from the collective ground…

Quantum Physics · Physics 2013-10-11 Huaizhi Wu , Zhen-Biao Yang , Shi-Biao Zheng

The ability to generate light in a pure quantum state is essential for advances in optical quantum technologies. However, obtaining quantum states with control in the photon-number has remained elusive. Optical light fields with zero and…

One of the central goals of quantum optics is to generate large interactions between single photons. Light interacting with motion in an optomechanical system can sense minute fluctuations in displacement, and also impart a force via…

Quantum Physics · Physics 2017-10-12 Zhaoyou Wang , Amir H. Safavi-Naeini

Generating indistinguishable photons from independent nodes is an important challenge for the development of quantum networks. In this work, we demonstrate the generation of highly indistinguishable single photons from two dissimilar atomic…

Single-photon detectors have achieved impressive performance, and have led to a number of new scientific discoveries and technological applications. Existing models of photodetectors are semiclassical in that the field-matter interaction is…

Optics · Physics 2018-03-28 Steve M. Young , Mohan Sarovar , François Léonard

Nonlinear metal-dielectric layered structures are shown to be able to efficiently generate entangled photon pairs using spontaneous parametric down-conversion. Increase of electric-field amplitudes in these structures enhanced by the…

Quantum Physics · Physics 2015-01-12 Dalibor Javůrek , Jan Peřina , Jiří Svozilík

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…

Excitons in a semiconductor monolayer form a collective resonance that can reflect resonant light with extraordinarily high efficiency. Here, we investigate the nonlinear optical properties of such atomistically thin mirrors and show that…

Mesoscale and Nanoscale Physics · Physics 2022-03-02 Valentin Walther , Lida Zhang , Susanne F. Yelin , Thomas Pohl

The purpose of this paper is to study the dynamics of a quantum coherent feedback network composed of two two-level systems (qubits) driven by two counter-propagating photons, one in each input channel. The coherent feedback network…

Quantum Physics · Physics 2022-06-30 Guofeng Zhang , Yu Pan

We discuss two-photon physics, taking for illustration the particular but topical case of resonance fluorescence. We show that the basic concepts of interferences and correlations provide at the two-photon level an independent and…

Quantum Physics · Physics 2024-10-10 Eduardo Zubizarreta Casalengua , Fabrice P. Laussy , Elena del Valle

We investigate theoretically the generation of indistinguishable single photons from a strongly dissipative quantum system placed inside an optical cavity. The degree of indistinguishability of photons emitted by the cavity is calculated as…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Thomas Grange , Gaston Hornecker , David Hunger , Jean-Philippe Poizat , Jean-Michel Gerard , Pascale Senellart , Alexia Auffeves
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