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Related papers: Nondegenerate two-photon lasing in a single quantu…

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We discuss two-photon correlations from the side peaks that are formed when a two-level system emitter is driven coherently, with a detuning between the driving source and the emitter (quasi-resonance fluorescence). We do so in the context…

Quantum Physics · Physics 2023-05-03 Eduardo Zubizarreta Casalengua , Elena del Valle , Fabrice P. Laussy

Single-photon devices at microwave frequencies are important for applications in quantum information processing and communication in the microwave regime. In this work, we describe a proposal of a multi-output single-photon device. We…

Quantum Physics · Physics 2016-12-30 Xin Wang , Adam Miranowicz , Hong-Rong Li , Franco Nori

We report on multi-photon statistics of correlated twin beams produced in a periodic poled micro-ring resonator on thin-film lithium niobate. Owing to high cavity confinement and near perfect quasi-phase matching, the photons pairs are…

Quantum Physics · Physics 2023-09-28 Zhaohui Ma , Jia-Yang Chen , Malvika Garikapati , Zhan Li , Chao Tang , Yong Meng Sua , Yu-Ping Huang

Molecules are ubiquitous in natural phenomena and man-made products, but their use in quantum optical applications has been hampered by incoherent internal vibrations and other phononic interactions with their environment. We have now…

Non-equilibrium photon correlations of coherently excited single quantum systems can reveal their internal quantum dynamics and provide spectroscopic access. Here we propose and discuss the fundamentals of a coherent photon coincidence…

Quantum Physics · Physics 2020-11-04 Matthew Otten , Tristan Kenneweg , Matthias Hensen , Stephen K. Gray , Walter Pfeiffer

Quantum squeezed states enable precision measurements beyond the standard quantum limit, but conventional solid-state media fundamentally limit pump intensities to the ionization threshold. We demonstrate that plasma waves can mediate…

Plasma Physics · Physics 2025-07-17 Kenan Qu , Nathaniel J. Fisch

For the development of long-distance quantum networks, sources of single photons and entangled photon pairs emitting in the low-loss wavelength region around 1550 nm are a crucial building block. Here we show that quantum dot devices based…

We propose the use of weakly nonlinear passive materials for prospective applications in integrated quantum photonics. It is shown that strong enhancement of native optical nonlinearities by electromagnetic field confinement in photonic…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 S. Ferretti , V. Savona , D. Gerace

We predict that all-optically reconfigurable generation of photon pairs with tailored spatial entanglement can be realized via spontaneous parametric down-conversion in integrated nonlinear coupled waveguides. The required elements of the…

Semiconductor microcavities with artificial single-photon emitters have become one of the backbones of semiconductor quantum optics. In many cases however, technical and physical issues limit the study of optical fields to incoherently…

Quantum Physics · Physics 2015-12-01 L. Teuber , P. Grünwald , W. Vogel

We show that many-body correlations among excitons originating from the Pauli exclusion principle in a quantum well embedded inside a microcavity provide a possibility to produce pairs of entangled photons by ultrashort laser pulses with a…

Mesoscale and Nanoscale Physics · Physics 2015-06-02 Mikhail Erementchouk , Michael N. Leuenberger

We propose a method for producing on-demand single-photon states based on collision-induced exchanges of photons and unbalanced linear absorption between two single-mode light fields. These two effects result in an effective nonlinear…

Quantum Physics · Physics 2009-11-10 Tao Hong , Michael W. Jack , Makoto Yamashita

We propose periodically-modulated entangled states of light and show that they can be generated in two experimentally feasible schemes of nondegenerate optical parametric oscillator (NOPO): (i) driven by continuously modulated pump field;…

Quantum Physics · Physics 2007-05-23 H. H. Adamyan , G. Yu. Kryuchkyan

A quantum emitter interacting with photons in a single optical-mode constitutes a one-dimensional atom. A coherent and efficiently coupled one-dimensional atom provides a large nonlinearity, enabling photonic quantum gates. Achieving a high…

We study and experimentally implement a double-slit quantum eraser in the presence of a controlled decoherence mechanism. A two-photon state, produced in a spontaneous parametric down conversion process, is prepared in a maximally entangled…

Quantum Physics · Physics 2015-05-14 F. A. Torres-Ruiz , G. Lima , A. Delgado , S. Pádua , C. Saavedra

We provide a unified theory of luminescence spectra of coupled light-matter systems realized with semiconductor heterostructures in microcavities, encompassing: i) the spontaneous emission case, where the system decays from a prepared…

Mesoscale and Nanoscale Physics · Physics 2009-07-09 Fabrice P. Laussy , Elena del Valle , Carlos Tejedor

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

Semiconductor quantum dots (QDs) have emerged as a premier solid-state platform for the deterministic generation of nonclassical light, offering a compelling pathway toward scalable quantum photonic systems. While single-photon emission…

Optics · Physics 2026-02-06 Xingling Pan , Zhiming Chen , Yingtao Ding , Weibo Gao , Fei Ding , Zhaogang Dong

We demonstrate generation of a pulsed stream of electrically triggered single photons in resonance fluorescence, by applying high frequency electrical pulses to a single quantum dot in a p-i-n diode under resonant laser excitation. Single…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Y. Cao , A. J. Bennett , D. J. P. Ellis , I. Farrer , D. A. Ritchie , A. J. Shields

We suggest and discuss a concept of deterministic integrated source of non-classical light based on the coherent diffusive photonics, a coherent light flow in a system of dissipatively coupled waveguides. We show how this practical quantum…