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We compute the concurrence of the polarization-entangled photon pairs generated by the biexciton cascade decay of a semiconductor quantum dot. We show how a cavity-induced increase of the photon rate emission reduces the detrimental effect…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. Troiani , J. I. Perea , C. Tejedor

We analyze the impact of both an incoherent and a coherent continuous excitation on our proposal to generate a two-photon state from a quantum dot in a microcavity [New J. Phys. 13, 113014 (2011)]. A comparison between exact numerical…

Mesoscale and Nanoscale Physics · Physics 2012-11-01 Elena del Valle , Alejandro Gonzalez-Tudela , Fabrice P. Laussy

We employ a master equation approach to study the second-order quantum autocorrelation functions for up to two independent quantum dot excitons, coupled to an off-resonant cavity in a photonic crystal - single quantum dot system. For a…

Mesoscale and Nanoscale Physics · Physics 2010-06-29 E. Illes , S. Hughes

We study the scattering problem of photon and polariton in a one-dimensional coupled-cavity system. Analytical approximate analysis and numerical simulation show that a photon can stimulate the photon emission from a polariton through…

Quantum Physics · Physics 2016-02-17 Ci. Li , Zhi. Song

The effective coupling of two distant quantum dots through virtual photon exchange in a semiconductor microcavity is studied. The experimental conditions for strong coupling and its manifestation in the spectra of emission are analyzed.

Mesoscale and Nanoscale Physics · Physics 2012-11-01 Elena del Valle

The interaction of a quantized field with three-level atoms in $\Lambda$ configuration inside a two-mode cavity is analyzed in the small noise approximation. The atoms are in a two-photon detuning with respect to the carriers of the field.…

Quantum Physics · Physics 2008-01-24 Pablo Barberis-Blostein

Superradiance occurs when a collection of atoms exhibits cooperative, spontaneous emission of photons at a rate that exceeds that of its component parts. Here, we reveal a similar phenomenon in a hydrodynamic system consisting of a pair of…

Quantum Physics · Physics 2023-02-10 Valeri Frumkin , Konstantinos Papatryfonos , John W. M. Bush

We investigate two-color photon correlations in the light emitted by strongly coupled two-level emitters. Spectral filtering allows us to manipulate the collected light statistics and we show that the resonances induced by dipole-dipole…

Quantum Physics · Physics 2021-05-12 Elnaz Darsheshdar , Mathilde Hugbart , Romain Bachelard , Celso Jorge Villas-Boas

We discuss the generation of two types of entangled state of two photons-- noon state which is entangled in number and polarization, and polarization entangled state which is entangled in polarization and frequency. We consider a single…

Mesoscale and Nanoscale Physics · Physics 2019-01-01 J. K. Verma , Harmanpreet Singh , P. K. Pathak

We propose a scheme for two-mode hyperradiant lasing in a system comprising two incoherently pumped quantum dots (QDs) coupled to a bimodal photonic crystal cavity. To account for the exciton-phonon interactions, we employ a…

Quantum Physics · Physics 2025-06-27 Lavakumar Addepalli , P. K. Pathak

The influence of electron--phonon interactions on the dynamics of a quantum dot coupled to a photonic cavity mode is investigated using a nonequilibrium Green's function approach. Within a polaron frame, the self-consistent-Born…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Gaston Hornecker , Alexia Auffèves , Thomas Grange

We propose phonon spectroscopy by electric measurements of the low-temperature conductance of coupled-quantum dots, specifically employing dephasing of the quantum electronic transport by the phonons. The setup we consider consists of a…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. Ueda , O. Entin-Wohlman , M. Eto , A. Aharony

We present a study of collective multi-photon blockade in coherently driven atoms in a single mode cavity. Considering two atoms strongly coupled to an optical cavity, we show that the two-photon blockade with two-photon anti-bunching, and…

Quantum Physics · Physics 2017-07-05 C. J. Zhu , Y. P. Yang , G. S. Agarwal

Differences in the confinement of electrons and holes in quantum dots are shown to profoundly impact the magnitude of scattering with acoustic phonons in materials where crystal deformation shifts the conduction and valence band in the same…

Mesoscale and Nanoscale Physics · Physics 2013-04-03 A. Nysteen , P. Kaer , J. Mork

We study the evolution of quantum entanglement in double cavity systems. The entanglement of cavity atoms induced by entangled pair of photons is investigated. Both entanglement sudden death and entanglement sudden birth phenomena are shown…

Quantum Physics · Physics 2011-04-19 Li-Li Lan , Xiang-Bin Wang , Shao-Ming Fei

We present an exact analytical solution of the two-photon scattering in a cavity optomechanical system. This is achieved by solving the quantum dynamics of the total system, including the optomechanical cavity and the cavity-field…

Quantum Physics · Physics 2013-08-30 Jie-Qiao Liao , C. K. Law

We demonstrate that the presence of charge around a semiconductor quantum dot (QD) strongly affects its optical properties and produces non-resonant coupling to the modes of a microcavity. We first show that, besides (multi)exciton lines, a…

Mesoscale and Nanoscale Physics · Physics 2020-05-06 N. Chauvin , C. Zinoni , M. Francardi , A. Gerardino , L. Balet , B. Alloing , L. H. Li , A. Fiore

Semiconductor quantum dots embedded in photonic-crystal nanostructures have been the subject of intense study. In this context, quantum dots are often considered to be simple two-level emitters, i.e., the complexities arising from the…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Kristian Høeg Madsen , Tau Bernstorff Lehmann , Peter Lodahl

Tho-photon absorption holds potential for many practical applications. We theoretically investigate the onset of this phenomenon in a semiconductor quantum dot -- metallic nanoshell composite subjected to a resonant CW excitation.…

Mesoscale and Nanoscale Physics · Physics 2021-01-08 Bintoro S. Nugroho , Alexander A. Iskandar , Victor A. Malyshev , Jasper Knoester

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
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