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Related papers: Polarization squeezing by optical Faraday rotation

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We propose a method to generate a source of spin-polarized cold atoms which are continuously extracted and guided from a magneto-optical trap using an atom-diode effect. We show that it is possible to create a pipe-like potential by…

Atomic Physics · Physics 2013-03-15 Thomas Vanderbruggen , Morgan Mitchell

An analytical formulation of a radially polarized laser pulse propagating in a homogeneous, magnetized plasma is presented using Lorentz force, continuity and Maxwells equations. Perturbation technique and quasi-static approximation (QSA)…

Plasma Physics · Physics 2026-05-14 Shivani Aggarwal , Dinkar Mishra , Saumya Singh , Bhupesh Kumar , Pallavi Jha

When light is passing through a rotating medium the optical polarisation is rotated. Recently it has been reasoned that this rotation applies also to the transmitted image (Padgett et al. 2006). We examine these two phenomena by extending…

Optics · Physics 2009-11-13 J. B. Goette , S. M. Barnett , M. Padgett

A method is given which renders indirect detection of strong gravitational waves possible. This is based on the reflection (collision) of a linearly polarized electromagnetic shock wave from (with) a cross polarized impulsive and shock…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Mustafa Halilsoy , Ozay Gurtug

We discuss the existence of elliptical polarisation in rotational spectral lines of CO and other molecules within the context of the Anisotropic Resonant Scattering (ARS) model. We show that the effect of ARS on the radiation field can lead…

Astrophysics of Galaxies · Physics 2022-01-12 Martin Houde , Boy Lankhaar , Fereshteh Rajabi , Mohammed A. Chamma

Squeezed light is one of the resources of photonic quantum technology. Among the various nonlinear interactions capable of generating squeezing, the optical Kerr effect is particularly easy-to-use. A popular venue is to generate…

Natively, atomic and molecular processes develop in a sub-femtosecond time scale. In order to, for instance, track and capture the electron motion in that scale we need suitable `probes'. Attosecond pulses configure the most appropriate…

We report quantum enhancement of Faraday rotation spin noise spectroscopy by polarization squeezing of the probe beam. Using natural abundance Rb in 100 Torr of N_2 buffer gas, and squeezed light from a sub-threshold optical parametric…

We propose a new method to obtain a squeezed matter field of atomic vibrations by use of an optical lattice, and the laser pulse technique of Garrett et al used for acoustic phonons [1]. We show that it is possible to reduce the variance of…

Condensed Matter · Physics 2007-05-23 A. L. Burin , J. L. Birman , A. Bulatov , H. Rabitz

We demonstrate extremely narrow resonances for polarization rotation in an atomic vapor. The resonances are created using a strong control laser on the same transition, which polarizes the atoms due to optical pumping among the magnetic…

Atomic Physics · Physics 2015-02-25 Sapam Ranjita Chanu , Kanhaiya Pandey , Vineet Bharti , Ajay Wasan , Vasant Natarajan

A fully analytic statistical formalism does not yet exist to describe radio-wavelength measurements of linearly polarized intensity that are produced using rotation measure synthesis. In this work we extend the analytic formalism for…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Christopher A. Hales , Bryan M. Gaensler , Ray P. Norris , Enno Middelberg

Highly polarized, multi-kiloampere-current electron bunches from compact laser-plasma accelerators are desired for numerous applications. Current proposals to produce these beams suffer from intrinsic limitations to the reproducibility,…

Accelerator Physics · Physics 2023-10-05 Simon Bohlen , Zheng Gong , Michael J. Quin , Matteo Tamburini , Kristjan Põder

The interaction of two laser pulses in an underdense plasma has proven to be able to inject electrons in plasma waves, thus providing a stable and tunable source of electrons. Whereas previous works focused on the "beatwave" injection…

Plasma Physics · Physics 2009-02-12 C. Rechatin , J. Faure , A. Lifschitz , X. Davoine , E. Lefebvre , V. Malka

By Faraday-rotation fluctuation spectroscopy one measures the spin noise via Faraday-induced fluctuations of the polarization plane of a laser transmitting the sample. In the fist part of this paper, we present a theoretical model of recent…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Matthias Braun , Jürgen König

Various methods of obtaining longitudinally polarized positrons for future linear colliders are reviewed. Special attention is paid to the schemes using circularly polarized high-energy photons for positron production. Most effectively such…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Strakhovenko , X. Artru , R. Chehab , M. Chevallier

Generation of ultrarelativistic polarized leptons during interaction of an ultrarelativistic electron beam with a counterpropagating ultraintense laser pulse is investigated in the quantum radiation-dominated domain. While the symmetry of…

High Energy Physics - Phenomenology · Physics 2023-08-16 Kai-Hong Zhuang , Yue-Yue Chen , Yan-Fei Li , Karen Z. Hatsagortsyan , Christoph H. Keitel

The strongly interacting system created in ultrarelativistic nuclear collisions behaves almost as an ideal fluid with rich patterns of the velocity field exhibiting strong vortical structure. Vorticity of the fluid, via spin-orbit coupling,…

Nuclear Experiment · Physics 2024-10-30 Takafumi Niida , Sergei A. Voloshin

Vacuum-stimulated Raman transitions are driven between two magnetic substates of a rubidium-87 atom strongly coupled to an optical cavity. A magnetic field lifts the degeneracy of these states, and the atom is alternately exposed to laser…

Quantum Physics · Physics 2007-05-23 T. Wilk , S. C. Webster , H. P. Specht , G. Rempe , A. Kuhn

Magnetic recording using circularly polarized femto-second laser pulses is an emerging technology that would allow write speeds much faster than existing field driven methods. However, the mechanism that drives the magnetization switching…

Mesoscale and Nanoscale Physics · Physics 2017-06-19 Matthew O. A. Ellis , Eric E. Fullerton , Roy W. Chantrell

The onset and development of electron-positron cascade in a standing wave formed by multiple colliding laser pulses requires tight focusing in order to achieve the maximum laser intensity. There, steep spatio-temporal gradients in the laser…

Plasma Physics · Physics 2024-09-19 M. Jirka , S. V. Bulanov
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