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The study of scattered polarized light has led to important advances in distinct fields such as astronomy, atmospheric sciences and bio-imaging. In random diffusing media, light disorientation and the scrambling of its polarization state…

Optics · Physics 2022-05-16 Maximilian Gill , Bruno Gompf , Martin Dressel , Gabriel Schnoering

The problem of slowing down light by orders of magnitude has been extensively discussed in the literature. Such a possibility can be useful in a variety of optical and microwave applications. Many qualitatively different approaches have…

Optics · Physics 2015-06-26 A. Figotin , I. Vitebskiy

Light propagation in disordered media is a fundamental and important problem in optics and photonics. In particular, engineering light-matter interaction in disordered cold atomic ensembles is one of the central topics in modern quantum and…

Optics · Physics 2020-06-16 B. X. Wang , C. Y. Zhao

We prove that it is possible to freeze a light pulse (i.e., to bring it to a full stop) or even to make its group velocity negative in a coherently driven Doppler broadened atomic medium via electromagnetically induced transparency (EIT).…

Quantum Physics · Physics 2007-05-23 Olga Kocharovskaya , Yuri Rostovtsev , Marlan O. Scully

We investigate the rotation of the polarization of a light ray propagating in the gravitational field of a circularly polarized laser beam. The rotation consists of a reciprocal part due to gravitational optical activity, and a…

General Relativity and Quantum Cosmology · Physics 2020-01-08 Fabienne Schneiter , Dennis Rätzel , Daniel Braun

We identify significant quantum many-body effects, robust to position fluctuations and strong dipole--dipole interactions, in the forward light scattering from planar arrays and uniform-density disks of cold atoms, by comparing stochastic…

Quantum Physics · Physics 2020-08-18 Robert J. Bettles , Mark D. Lee , Simon A. Gardiner , Janne Ruostekoski

Light transmission through bilayered thin metal films perforated with subwavelength hole arrays are numerically studied based on a full-vector finite-difference time-domain approach. A variety of transmission peaks originating from…

Optics · Physics 2015-05-13 Jian Wang , Yong Zeng , Xiaoshuang Chen , Wei Lu , Jerome V. Moloney

Collective coherent scattering of laser light by an ensemble of polarizable point particles creates long range interactions, whose properties can be tailored by choice of injected laser powers, frequencies and polarizations. We use a…

Quantum Physics · Physics 2015-06-17 Stefan Ostermann , Matthias Sonnleitner , Helmut Ritsch

The idea of asymmetric light transmission through a photonic crystal with relaxing Kerr nonlinearity is presented. This idea is based on the symmetry breaking due to the self-trapping of intensive pump pulse inside the structure. As a…

Optics · Physics 2015-03-20 Denis Novitsky

Faraday tomography is a new method of the study of cosmic magnetic fields enabled by broadband low-frequency radio observations. By Faraday tomography, it is possible to obtain the Faraday dispersion function which contains information on…

Astrophysics of Galaxies · Physics 2023-03-15 Keitaro Takahashi

A polarization switching pulse interleaver is shown to be effective in reducing timing noise due to polarization mode dispersion in time and frequency transfer based on mode-locked lasers and standard single-mode fibres. In closed-loop time…

The observation of anomalously large polarization rotations in pump-probe experiments with circularly polarized light has recently challenged the conventional understanding of the inverse Faraday effect. The striking magnitude of these…

Materials Science · Physics 2026-05-27 Niccolò Sellati , Jacopo Fiore , Lara Benfatto

We consider the propagation of light in arbitrarily curved step-index optical fibers. Using a multiple-scales approximation scheme, set-up in Fermi normal coordinates, the full vectorial Maxwell equations are solved in a perturbative…

Optics · Physics 2023-06-02 Thomas Mieling , Marius A. Oancea

We investigate the behavior of the light pulse in $Lambda$-type cold atomic gases with two counterpropagating control lights with equal strength by directly simulating the dynamic equations and exploring the dispersion relation. Our…

Quantum Physics · Physics 2010-04-28 Ran Wei , Bo Zhao , Youjin Deng , Shuai Chen , Zeng-Bing Chen , Jian-Wei Pan

We investigate the non-resonant all-optical switching of magnetization. We treat the inverse Faraday effect (IFE) theoretically in terms of the spin-selective optical Stark effect for linearly or circularly polarized light. In the dilute…

Mesoscale and Nanoscale Physics · Physics 2013-08-20 Alireza Qaiumzadeh , Gerrit E. W. Bauer , Arne Brataas

We study the photon statistics of weak coherent pulses propagating through a cold Rydberg atomic ensemble in the regime of Rydberg electromagnetically induced transparency. We show experimentally that the value of the second-order…

We present a theoretical study of the the effects of off-resonant polarized optical fields on a ferromagnetic model system. We determine the light-induced dynamics of itinerant carriers in a system that includes magnetism at the mean-field…

Materials Science · Physics 2019-07-01 Christiane Scholl , Svenja Vollmar , Hans Christian Schneider

The process of the elastic scattering of photons on atoms, known as the Rayleigh scattering, is investigated. Expressing the scattering observables in terms of the electric and magnetic complex scattering amplitudes, we work over the…

Atomic Physics · Physics 2020-10-20 A. V. Volotka , A. Surzhykov , S. Fritzsche

When a photon is sent onto an atomic ensemble, it interacts collectively with the $N$ atoms of the sample and not simply with one of them. This results in measurable modifications in the scattering rate, the emission diagram or the temporal…

Atomic Physics · Physics 2023-06-06 William Guerin

We experimentally and theoretically analyze the propagation of weak signal field pulses under the conditions of electromagnetically induced transparency (EIT) in hot Rb vapor, and study the effects of resonant four-wave mixing (FWM). In…

Quantum Physics · Physics 2012-05-15 N. B. Phillips , A. V. Gorshkov , I. Novikova