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We test numerical filamentation models against experimental data about the peak intensity and filament density in laser filaments. We show that the consideration of the higher-order Kerr effect (HOKE) improves the quantitative agreement…

Optics · Physics 2015-06-05 M. Petrarca , Y. Petit , S. Henin , R. Delagrange , P. Béjot , J. Kasparian

Double-resonance optically pumped magnetometers are an attractive instrument for unshielded magnetic field measurements due to their wide dynamic range and high sensitivity. Use of linearly polarised pump light creates alignment in the…

Atomic Physics · Physics 2018-09-26 Stuart J. Ingleby , Carolyn O'Dwyer , Paul F. Griffin , Aidan S. Arnold , Erling Riis

The latest discovery of ferromagnetism in atomically thin films of semiconductors Cr$_2$Ge$_2$Te$_6$ and CrI$_3$ has unleashed numerous opportunities for fundamental physics of magnetism in two-dimensional (2D) limit and also for…

Mesoscale and Nanoscale Physics · Physics 2019-05-09 Vijay Kumar Gudelli , Guang-Yu Guo

Enhancement and tailoring of the transverse magneto-optical Kerr effect (TMOKE) in hybrid metasurfaces comprising rectangular silicon nanowires coupled with a nickel substrate are demonstrated. The excitation of Mie modes of different…

Magnetic and dielectric properties of \aa kermanite Ca$_2$CoSi$_2$O$_7$ single crystals were investigated in pulsed high magnetic fields. In magnetic fields along the $c$ axis, this material shows a magnetization plateau in a wide range of…

Strongly Correlated Electrons · Physics 2015-06-22 Mitsuru Akaki , Hideki Kuwahara , Akira Matsuo , Koichi Kindo , Masashi Tokunaga

Magneto-optical effect is a fundamental but broad concept in magnetic mediums. Here we propose a scheme for its quantum emulation using ultracold atoms. By representing the light-medium interaction in the quantum-emulation manner, the…

Quantum Gases · Physics 2022-02-17 Zhen Zheng , Z. D. Wang

We analyze the information that can be retrieved from the tracking parameters produced by an innovative wearable eye tracker. The latter is based on a permanent-magnet marked corneal lens and by an array of magnetoresistive detectors that…

Medical Physics · Physics 2023-02-09 Valerio Biancalana , Piero Chessa

We experimentally demonstrate that a squeezed probe optical field can improve the sensitivity of the magnetic field measurements based on nonlinear magneto-optical rotation (NMOR) with an amplitude-modulated pump when compared to a coherent…

Quantum Physics · Physics 2023-07-19 Jiahui Li , Irina Novikova

In order to maximize the transversal magneto-optic Kerr effect (T-MOKE) of a Au/Co/Au structure, we propose a method to obtain the optimum thickness values. A criteria based on preserving good plasmonic properties has been included as part…

Optics · Physics 2014-10-06 César Aurelio Herreño-Fierro , Edgar J. Patiño

In magnetoplasmonics, it is possible to tailor the magneto-optical properties of nanostructures by exciting surface plasmon polaritons (SPPs). Thus far, magnetoplasmonic effects have been considered static. Here, we describe ultrafast…

We demonstrate an all-optical $^{133}$Cs scalar magnetometer, operating in nonzero magnetic field,in which the magnetic resonance is driven by an effective oscillating magnetic field provided by the AC Stark shift of an intensity-modulated…

Atomic Physics · Physics 2014-09-29 Elena Zhivun , Arne Wickenbrock , Brian Patton , Dmitry Budker

We present a theory of the magneto-optical Faraday and Kerr effects of topological insulator (TI) films. For film thicknesses short compared to wavelength, we find that the low-frequency Faraday effect in ideal systems is quantized at…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Wang-Kong Tse , A. H. MacDonald

As a contribution to the ongoing controversy about the role of higher-order Kerr effect (HOKE) in laser filamentation, we first provide thorough details about the protocol that has been employed to infer the HOKE indices from the…

In this paper, a new concept of magnetic nanoparticles as magneto-optical markers is proposed, and a "magneto-optical gate" effect is explored. High-sensitivity detection of magnetic nanoparticles (MNPs) was developed based on this…

Applied Physics · Physics 2023-01-20 Xinchao Cui , Chong Lu , Chunping Liu , Wenzhong Liu

We present the first measurements of Hall conductivity utilizing a new torque magnetometry method designed for insulators. A Corbino disk exhibits a magnetic dipole moment proportional to Hall conductivity when voltage is applied across a…

Mesoscale and Nanoscale Physics · Physics 2019-09-02 Samuel Mumford , Tiffany Paul , Seung Hwan Lee , Amir Yacoby , Aharon Kapitulnik

We have developed a mini-coil pulsed magnet system with direct optical access, ideally suited for nonlinear and ultrafast spectroscopy studies of materials in high magnetic fields up to 30 T. The apparatus consists of a small coil in a…

Mesoscale and Nanoscale Physics · Physics 2014-02-11 G. Timothy Noe , Hiroyuki Nojiri , Joseph Lee , Gary L. Woods , Jean Leotin , Junichiro Kono

The magneto-optical effects (MOEs), as a fundamental physical phenomenon, can reveal the electronic structures of materials. The related probing methods are widely used in the study of magnetic materials. However, space-time inversion…

Materials Science · Physics 2025-03-07 Yongpan Li , Yichen Liu , Cheng-Cheng Liu

This paper presents the development of a high field pulsed magnet system combined with an optical fiber-coupled low temperature cryostat for magneto-photoluminescence measurements. A novel aspect of our system is the use of electrolyte…

Instrumentation and Detectors · Physics 2026-03-17 Deepesh Kalauni , Kingshuk Mukhuti , Tao Peng , Bhavtosh Bansal

Magnetic topological insulator is a fertile platform to study the interplay between magnetism and topology. The unique electronic band structure can induce exotic transport and optical properties. However, a comprehensive optical study in…

Materials Science · Physics 2024-09-05 Xingyue Han , Hee Taek Yi , Seongshik Oh , Liang Wu

In magnetically ordered solids a static magnetic field can be generated by virtue of the transverse magneto-optical Kerr effect (TMOKE). Moreover, the latter was shown to be dramatically enhanced due to the optical excitation of surface…

Mesoscale and Nanoscale Physics · Physics 2018-06-14 Stanislav Kolodny , Dmitry Yudin , Ivan Iorsh