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Quantum resonance in the paradigmatic kicked rotor system is a purely quantum effect that ignores the state of underlying classical chaos. In this work, it is shown that quantum resonance leads to superlinear entanglement production. In…

Quantum Physics · Physics 2024-10-07 Sanku Paul , J. Bharathi Kannan , M. S. Santhanam

We investigate how next-generation laser pulses at 10 PW $-$ 200 PW interact with a solid target in the presence of a relativistically underdense preplasma produced by amplified spontaneous emission (ASE). Laser hole boring and relativistic…

Plasma Physics · Physics 2017-07-12 W. -M. Wang , P. Gibbon , Z. -M. Sheng , Y. -T. Li , J. Zhang

We discuss the transverse momentum distribution for the production of massive lepton-pairs in hadron reactions at fixed target and collider energies within the context of next-to-leading order perturbative quantum chromodynamics. For values…

High Energy Physics - Phenomenology · Physics 2014-11-17 Edmond L. Berger , Lionel E. Gordon , Michael Klasen

In this paper we consider the process of "subthreshold" electron-positron pairs creation in the region of laser conversion. The total number of positrons and their distribution are obtained. This phenomena is offered for use as a good test…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Kochanov , S. I. Polityko

High-energy-density electron-positron pair plasma production and its dynamics in a thin foil illuminated by two counter-propagating laser pulses are investigated through multi-dimensional particle-in-cell simulations. We compare the…

Plasma Physics · Physics 2020-07-07 W. Y. Liu , W. Luo , T. Yuan , J. Y. Yu , M. Chen , Z. M. Sheng

Currently, two optical processes are mainly used to realize single photon sources: deterministic transitions in a semiconductor quantum dot (QD) placed in a microcavity and spontaneous frequency down-conversion in materials with intrinsic…

Mesoscale and Nanoscale Physics · Physics 2024-12-02 I. V. Krainov , M. V. Rakhlin , A. I. Veretennikov , T. V. Shubina

Hybrid quantum information devices that combine disparate physical systems interacting through photons offer the promise of combining low-loss telecommunications wavelength transmission with high fidelity visible wavelength storage and…

Quantum Physics · Physics 2011-08-22 Matthew T. Rakher , Lijun Ma , Marcelo Davanco , Oliver Slattery , Xiao Tang , Kartik Srinivasan

We report the generation of high-purity twin photon pairs through cavity-enhanced non-degenerate four-wave mixing (FWM) in a high-Q silicon microdisk resonator. Twin photon pairs are created within the same cavity mode and are consequently…

Optics · Physics 2015-09-01 Steven Rogers , Xiyuan Lu , Wei C. Jiang , Qiang Lin

Confirmation of the phononic origin of Cooper pair formation in superconductors came with the demonstration that the interaction was retarded and that the corresponding energy scales were associated with phonons. Using cellular dynamical…

Superconductivity · Physics 2010-02-15 B. Kyung , D. Sénéchal , A. -M. S. Tremblay

The electron-positron pair production in the collision of two intense gamma lasers is studied beyond the dipole approximation. The complete electron/positron momentum spectrum obtained by three-dimensional computation shows directly the…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Zhaoyang Peng , Huayu Hu , Jianmin Yuan

The intensity transverse profile of the light produced in the process of stimulated down-conversion is derived. A quantum-mechanical treatment is used. We show that the angular spectrum of the pump laser can be transferred to the stimulated…

Quantum Physics · Physics 2009-11-06 P. H. Souto Ribeiro , S. Padua , C. H. Monken

The generation of ultrashort pulses hinges on the careful management of dispersion. Traditionally, this has exclusively involved second-order dispersion, while higher-order dispersion was treated as a nuisance to be minimized. Here we show…

Generation of odd harmonics by a super strong focused laser beam in vacuum is considered. The process occurs due to the plural light-by-light scattering effect. In the leading order of perturbation theory, generation of $(2k+1)$th harmonic…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. M. Fedotov , N. B. Narozhny

We observe experimentally the transfer of angular spectrum and image formation in the process of stimulated parametric down-conversion. Images and interference patterns can be transferred either from the pump or the auxiliary laser beams to…

Via a combination of analytical and numerical methods, we study electron-positron pair creation by the electromagnetic field ${\bf A}(t,{\bf r})=[f(ct-x)+f(ct+x)]{\bf e}_y$ of two colliding laser pulses. Employing a generalized WKB…

High Energy Physics - Phenomenology · Physics 2022-12-14 Christian Kohlfürst , Naser Ahmadiniaz , Johannes Oertel , Ralf Schützhold

The use of strong-field (i.e. intensities in excess of 10^13 Wcm-2) few-cycle ultrafast (durations of 10 femtoseconds or less) laser pulses to create, manipulate and image vibrational wavepackets is investigated. Quasi-classical modelling…

Chemical Physics · Physics 2017-02-08 W. A. Bryan , C. R. Calvert , R. B. King , J. B. Greenwood , W. R. Newell , I. D. Williams

The interaction of an unpolarized electron beam with a counterpropagating ultraintense linearly polarized laser pulse is investigated in the quantum radiation-dominated regime. We employ a semiclassical Monte Carlo method to describe…

Raman amplification in plasma has been promoted as a means of compressing picosecond optical laser pulses to femtosecond duration to explore the intensity frontier. Here we show for the first time that it can be used, with equal success, to…

Plasma Physics · Physics 2015-05-27 R. Trines , F. Fiuza , R. Bingham , R. A. Fonseca , L. O. Silva , R. A. Cairns , P. A. Norreys

We report on a new kind of correlated photon-pair source based on a waveguide integrated on a Periodically Poled Lithium Niobate substrate. Using a pump laser of a few micro-Watts at 657 nm, we generate degenerate photon-pairs at 1314 nm.…

Quantum Physics · Physics 2007-05-23 S. Tanzilli , H. de Riedmatten , W. Tittel , H. Zbinden , P. Baldi , M. de Micheli , D. B. Ostrowsky , N. Gisin

We report on the generation of few-ps long spontaneous emission pulses by quantum dots (QDs) in a switched optical microcavity. We use a pulsed optical injection of free charge carriers to induce a large frequency shift of the fundamental…

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