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Radially-polarized light beams present very interesting and useful behavior for creating small intensity spots when tightly-focused, and manipulating nanostructures or charged particles. The modeling of the propagation of such vector beams,…

Optics · Physics 2024-04-23 Spencer W. Jolly

Recently, it was shown that vector beams can be utilized for fast kinematic sensing via measurements of their global polarization state [Optica 2(10), 864 (2015)]. The method relies on correlations between the spatial and polarization…

Coherent light-matter interactions have recently extended their applications to the ultrafast control of magnetization in solids. An important but unrealized technique is the manipulation of magnetization vector motion to make it follow an…

Population of levels of the hyperfine and fine split ground state of an atom is affected by radiative transitions induced by anisotropic radiation flux. Such aligned atoms precess in the external magnetic field and this affects properties…

Astrophysics · Physics 2007-05-23 Huirong Yan , A. Lazarian

We theoretically explore the possibility to detect weak localization of light in a hot atomic vapor, where one usually expects the fast thermal motion of the atoms to destroy any interference in multiple scattering. To this end, we compute…

Quantum Physics · Physics 2021-12-22 N. Cherroret , M. Hemmerling , G. Labeyrie , D. Delande , J. T. M. Walraven , R. Kaiser

During recent years interest has been rising for applications of vector light beams towards magnetic field sensing. In particular, a series of experiments were performed to extract information about properties of static magnetic fields from…

Vector beams with spatially structured polarization and intertwined spin-orbital angular momentum (SAM-OAM) provide powerful degrees of freedom for tailoring light-matter interactions. While such structured beams are well established in the…

Trapped Rydberg atoms are highly promising candidates for quantum science experiments. While several approaches have been put forward to exert (trapping) forces on isolated Rydberg atoms, a widely applicable lossless technique is lacking.…

Atomic Physics · Physics 2025-06-23 A. Bhowmik , D. Blume

Atoms coupled to optical fields confined in one and two spatial dimensions in solid state microstructures can experience very large light shifts if the driving frequencies are close to a resonance of the microstructures and an atomic…

Quantum Physics · Physics 2009-11-07 Peter Horak , Peter Domokos , Helmut Ritsch

At optical frequencies, interactions of the electric field component of light with matter are dominating, whereas magnetic dipole transitions are inherently weak and challenging to access independently from electric dipole transitions.…

Vectorial forms of structured light that are non-separable in their spatial and polarisation degrees of freedom have become topical of late, with an extensive toolkit for their creation and control. In contrast, the toolkit for quantifying…

Partially coherent electromagnetic sources with cylindrical symmetry and infinite extent radiating outwards are introduced. Their $3\times3$ cross-spectral density matrix is given through expansions of the field components in terms of basis…

We present a systematic derivation of the dynamical polarizability and the ac Stark shift of the ground and excited states of atoms interacting with a far-off-resonance light field of arbitrary polarization. We calculate the scalar, vector,…

Atomic Physics · Physics 2015-03-12 Fam Le Kien , Philipp Schneeweiss , Arno Rauschenbeutel

Experiments with vortex beams have shown a surge of interest in controlling cold atoms. Most of the controlling protocols are dominated by circularly polarized light due to its ability to induce vector polarization at atoms, which is…

Atomic Physics · Physics 2020-12-25 Anal Bhowmik , Narendra Nath Dutta , Sonjoy Majumder

Light-matter interactions can occur when an ensemble of molecular resonators is placed in a confined electromagnetic field. In the strong coupling regime the rapid exchange of energy between the molecules and the electromagnetic field…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Philip A. Thomas , Wai Jue Tan , Henry A. Fernandez , William L. Barnes

The electron and ion properties observed in a photoionization inherit a symmetry properties of both a target and a radiation. Introducing a symmetry breaking in a photoionization process one can expect to observe a noticeable variation of…

Atomic Physics · Physics 2024-02-09 Maksim D. Kiselev , Elena V. Gryzlova , Alexei N. Grum-Grzhimailo

The polarizations of optical fields, besides field intensities, provide more degrees of freedom to manipulate coherent light-matter interactions. Here we propose how to achieve a coherent switch of optomechanical entanglement in a…

Quantum Physics · Physics 2021-10-26 Ying Li , Ya-Feng Jiao , Jing-Xue Liu , Adam Miranowicz , Yun-Lan Zuo , Le-Man Kuang , Hui Jing

Massive vector particles are minimal dark matter candidates that motivate a wide range of laboratory searches, primarily exploiting a postulated kinetic mixing with the photon. However, depending on the high energy field content, the…

High Energy Physics - Phenomenology · Physics 2023-08-16 Gordan Krnjaic , Tanner Trickle

Rotating-PSF imaging via spiral phase engineering can localize point sources over large focal depths in a snapshot mode. This letter presents a full vector-field analysis of the rotating-PSF imager that quantifies the PSF signature of the…

Optics · Physics 2014-12-22 Zhixian Yu , Sudhakar Prasad

We have studied relative-intensity fluctuations for a variable set of orthogonal elliptic polarization components of a linearly polarized laser beam traversing a resonant $^{87}$Rb vapor cell. Significant polarization squeezing at the…

Quantum Physics · Physics 2015-05-28 S. Barreiro , P. Valente , H. Failache , A. Lezama