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Related papers: Polarization instabilities in a two-photon laser

200 papers

The angular and polarization properties of the photon pair emitted in the two--photon decay of $2s$ hyperfine states in hydrogenlike ions are investigated within the relativistic Dirac framework and second order perturbation theory. The…

Atomic Physics · Physics 2012-03-30 Filippo Fratini

Polarized electron beam production via laser wakefield acceleration in pre-polarized plasma is investigated by particle-in-cell simulations. The evolution of the electron beam polarization is studied based on the…

Plasma Physics · Physics 2024-11-20 L. R. Yin , X. F. Li , Y. J. Gu , N. Cao , Q. Kong , M. Buescher , S. M. Weng , M. Chen , Z. M. Sheng

We examine the properties of an atom laser produced by outcoupling from a Bose-Einstein condensate with squeezed light. We model the multimode dynamics of the output field and show that a significant amount of squeezing can be transfered…

Quantum Physics · Physics 2009-11-11 S. A. Haine , J. J. Hope

We theoretically study the nonlinear magnetic resonance driven by intense laser or electromagnetic wave in a fully polarized frustrated magnet near a less-visible spin-nematic ordered phase. In general, both magnons and magnon pairs…

Strongly Correlated Electrons · Physics 2020-08-07 Masahiro Sato , Yoshitaka Morisaku

Polarization properties of the photons emitted in the two-photon decay of hydrogen-like ions are studied within the framework of the density matrix and second-order perturbation theory. In particular, we derive the polarization correlation…

Atomic Physics · Physics 2011-08-23 Filippo Fratini , Andrey Surzhykov

We present two cavity quantum electrodynamics proposals that, sharing the same basic elements, allow for the deterministic generation of entangled photons pairs by means of a three-level atom successively coupled to two single longitudinal…

Quantum Physics · Physics 2009-11-13 R. Garcia-Maraver , K. Eckert , R. Corbalan , J. Mompart

Orientation states of two coupled polar molecules controlled by laser pulses are studied theoretically. By varying the period of a series of periodically applied laser pulse, transition from regular to chaotic behavior may occur. Schmidt…

Quantum Physics · Physics 2007-05-23 Ying-Yen Liao , Yueh-Nan Chen , Der-San Chuu

We study the peformances of Raman velocimetry applied to laser-cooled, spin-polarized, cesium atoms. Atoms are optically pumped into the F=4, m=0 ground-state Zeeman sublevel, which is insensitive to magnetic perturbations. High resolution…

Quantum Physics · Physics 2016-08-16 Julien Chabé , Hans Lignier , Pascal Szriftgiser , Jean Claude Garreau

We theoretically and experimentally investigate nonlinear Zeeman effects within a polarised single-photon source that uses a single 87Rb atom strongly coupled to a high finesse optical cavity. The breakdown of the atomic hyperfine structure…

Quantum Physics · Physics 2018-08-15 Thomas D. Barrett , Dustin Stuart , Oliver Barter , Axel Kuhn

Plasma current filamentation of an ultrarelativistic electron beam impinging on an overdense plasma is investigated, with emphasis on radiation-induced electron polarization. Particle-in-cell simulations provide the classification and…

Plasma Physics · Physics 2023-01-18 Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

Resonant laser scattering along with photon correlation measurements have established the atom-like character of quantum dots. Here, we present measurements which challenge this identification for a wide range of experimental parameters:…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 C. Latta , A. Högele , Y. Zhao , A. N. Vamivakas , P. Maletinsky , M. Kroner , J. Dreiser , I. Carusotto , A. Badolato , D. Schuh , W. Wegscheider , M. Atature , A. Imamoglu

We present a versatile, high-brightness, guided-wave source of polarization entangled photons, emitted at a telecom wavelength. Photon-pairs are generated using an integrated type-0 nonlinear waveguide, and subsequently prepared in a…

Oscillatory dynamics is a key tool in optical tweezers applications. It is usually implemented by mechanical interventions that cannot be optically controlled. In this work we show that Germanium semiconductor beads behave as optically…

We report a laser that coherently emits phonon-polaritons, quasi-particles arising from the coupling between photons and transverse optical phonons. The gain is provided by an intersubband transition in a quantum cascade structure. The…

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

We report the realization of a new polarization entangled photon-pair source based on a titanium-indiffused waveguide integrated on periodically poled lithium niobate pumped by a CW laser at $655 nm$. The paired photons are emitted at the…

Quantum Physics · Physics 2012-09-12 A. Martin , V. Cristofori , P. Aboussouan , H. Herrmann , W. Sohler , D. B. Ostrowsky , O. Alibart , S. Tanzilli

High-energy spin-polarized electron, positron, and $\gamma$-photon beams have many significant applications in the study of material properties, nuclear structure, particle physics, and high-energy astrophysics. Thus,efficient production of…

Plasma Physics · Physics 2022-05-09 Ting Sun , Qian Zhao , Kun Xue , Zhi-Wei Lu , Liang-Liang Ji , Feng Wan , Yu Wang , Yousef I. Salamin , Jian-Xing Li

The amplitude of two-photon transitions between hyperfine states in hydrogenlike ions is derived based on relativistic Dirac equation and second order perturbation theory. We study angular and linear polarization properties of the photon…

Atomic Physics · Physics 2014-10-23 Laleh Safari , Pedro Amaro , Jose Paulo Santos , Filippo Fratini

We present a technique for generating light in an arbitrary polarization state. The technique is based on interference of two orthogonally polarized light beams, whose amplitudes and phases are controlled with a Mach-Zehnder inteferometer…

Applied Physics · Physics 2018-10-22 P. Wlodarczyk , S. Pustelny , D. Budker

Quantum coherence is one of the most intriguing applications of quantum mechanics, and has led to interesting phenomena and uncommon results. Here we show that in a stark contrast to the usual red-detuned condition to observe bistability in…

Quantum Physics · Physics 2015-05-01 Eyob A. Sete , H. Eleuch