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We present a combined theoretical and experimental study of magnetic resonance transitions induced by polarization-modulated light in cesium vapor exposed to a transverse magnetic field. Signals are obtained by phase-sensitive analysis of…

Atomic Physics · Physics 2013-12-06 E. Breschi , Z. D. Gruijc , P. Knowles , A. Weis

We study the optically induced torques in thin film ferromagnetic layers under excitation by circularly polarized light. We study cases both with and without Rashba spin-orbit coupling using a 4-band model. In the absence of Rashba…

Mesoscale and Nanoscale Physics · Physics 2017-09-19 Junwen Li , Paul M. Haney

We propose a platform that combines the fields of cavity optomagnonics and levitated optomechanics in order to control and probe the coupled spin-mechanics of magnetic dielectric particles. We theoretically study the dynamics of a levitated…

Controlling the flow of electricity in metallic circuits with light is a key goal for future optoelectronics. In this work, we demonstrate all-optical generation and directional control of non-thermal drift photocurrents in a plasmonic gold…

We present a microscopic calculation of the inverse Faraday effect in metals. We derive a static local magnetic moment induced on the application of high-frequency light, using the Eilenberger formulation of quasiclassical theory. We…

Superconductivity · Physics 2024-09-13 Priya Sharma , Alexander V. Balatsky

We present the first materials specific ab initio theory of the magnetization induced by circularly polarized laser light in metals. Our calculations are based on non-linear density matrix theory and include the effect of absorption. We…

Materials Science · Physics 2016-09-28 Marco Berritta , Ritwik Mondal , Karel Carva , Peter M. Oppeneer

In exploring the light-induced dynamics within the linear response regime, this study investigates the induced orbital angular momentum on a wide variety of electronic structures. We derive a general expression for the torque induced by…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Philippe Scheid , Stéphane Mangin , Sébastien Lebègue

We theoretically study the linear transmission of linearly polarizedlight pulses in an ensemble of cold atoms submitted to a static magneticfield parallel to the direction of propagation. The carrier frequencyof the incident pulses…

Optics · Physics 2016-10-19 Bruno Macke , Bernard Ségard

Results of a fairly straightforward experiment on resonant magneto-optical rotation by rubidium-87 atoms revealed strong time-dependence of the polarization plane of light emerging from atomic vapors following a sudden irradiation with a…

Atomic Physics · Physics 2015-01-06 Dariusz Dziczek

The practical difficulty in distinguishing the impact of magnetic circular dichroism and the inverse Faraday effect fuels intense debates over which mechanism predominantly drives the process of helicity dependent all-optical switching of…

Nonlinear magneto-optical rotation is studied under non-equilibrium conditions. The polarization rotation of linearly polarized light traversing a rubidium vapor cell is observed versus the time-dependent (swept) longitudinal magnetic field…

Atomic Physics · Physics 2020-03-25 Raghwinder Singh Grewal , Szymon Pustelny

A stochastic model of electric field-driven polarization reversal in orthorhombic ferroelectrics is advanced, providing a description of their temporal electromechanical response. The theory accounts for all possible parallel and sequential…

The phenomena of magneto-optical polarization rotation and circular magnetic dichroism are well known in the Faraday configuration. We present another effect, an odd magneto-optical linear dichroism, arising in nanostructures with…

Motivated by the rapidly growing possibilities for experiments with ultracold atoms in optical lattices we investigate the thermodynamic properties of correlated lattice fermions in the presence of an external spin-dependent random…

Strongly Correlated Electrons · Physics 2015-06-15 K. Makuch , J. Skolimowski , P. B. Chakraborty , K. Byczuk , D. Vollhardt

The optical Faraday effect describes the rotation of linear polarization upon propagation through a medium in the presence of a longitudinal magnetic field. The effect arises from a different phase delay between the right and left handed…

Quantum Physics · Physics 2012-11-09 Colin Greenshields , Robert L. Stamps , Sonja Franke-Arnold

We develop a theory of the magnetization dynamics triggered by ultrafast optical excitation of ferromagnetic semiconductors. We describe the effects of the strong carrier spin relaxation on the nonlinear optical response by using the…

Strongly Correlated Electrons · Physics 2008-08-04 J. Chovan , E. G. Kavousanaki , I. E. Perakis

The magneto-optical Faraday effect in the magnetoplasmonic nanostructures with nonuniform, periodically modulated spatial distribution of the magnetization is considered. It is shown that in such nanostructures the Faraday effect can…

The inverse Faraday effect is a magneto-optical process allowing the magnetization of matter by an optical excitation carrying a non-zero spin of light. In particular, a right circular polarization generates a magnetization in the direction…

Optics · Physics 2023-05-25 Ye Mou , Xingyu Yang , Bruno Gallas , Mathieu Mivelle

Graphene can be magnetized through nonlinear response of its orbital angular momentum to an intense circularly polarized light. This optomagnetic effect can be well exemplified by the Inverse Faraday Effect (IFE) where an…

Optics · Physics 2023-07-26 Sina Abedi , A. Hamed Majedi

The impact of the optical field polarization on the spectrum of magnetically-induced transitions, a class of transitions forbidden at zero magnetic field, is studied with a weak-probe sub-Doppler technique. The high spectral resolution of…

Atomic Physics · Physics 2025-02-19 A. Sargsyan , E. Klinger , A. Amiryan , D. Sarkisyan