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Magnetic Faraday rotation is widely used in optics and MW. In uniform magneto-optical materials, this effect is very weak. One way to enhance it is to incorporate the magnetic material into a high-Q optical resonator. One problem with…

Optics · Physics 2015-05-14 A. Figotin , I. Vitebskiy

External non-uniform magnetic fields acting on molecules induce non-collinear spin-densities and spin-symmetry breaking. This necessitates a general two-component Pauli spinor representation. In this paper, we report the implementation of a…

Chemical Physics · Physics 2018-05-23 Sangita Sen , Erik I. Tellgren

Recent experimental work has demonstrated optical control of spin wave emission by tuning the shape of the optical pulse (Satoh et al.\ Nature Photonics, 6, 662 (2012)). We reproduce these results and extend the scope of the control by…

Mesoscale and Nanoscale Physics · Physics 2017-09-01 L. J. A. van Tilburg , F. J. Buijnsters , A. Fasolino , T. Rasing , M. I. Katsnelson

We perform a magneto-optical study of a two-dimensional electron systems (2DES) in the regime of the Stoner ferromagnetic instability for even quantum Hall filling factors on Mg$_x$Zn$_{1-x}$O/ZnO heterostructures. Under conditions of…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 A. B. Van'kov , B. D. Kaysin , I. V. Kukushkin

Counting the microwave photons emitted by an ensemble of electron spins when they relax radiatively has recently been introduced as a sensitive new method for electron paramagnetic resonance spectroscopy at millikelvin temperatures. Here,…

We present a new approach to the induction detection of electron spin resonance (ESR) signals exploiting the nonlinear properties of a superconducting resonator. Our experiments employ a yttrium barium copper oxide (YBCO) superconducting…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Gil Bachar , Oren Suchoi , Oleg Shtempluck , Aharon Blank , Eyal Buks

Nonlinear phenomena represent one of the central topics in the study of wave-matter interactions and constitute the key blocks for various applications in optical communication, computing, sensing, and imaging. In this work, we show that by…

Applied Physics · Physics 2024-04-16 Zhongqiang Hu , Qiuyuan Wang , Chung-Tao Chou , Justin T. Hou , Zhiping He , Luqiao Liu

Noncollinear antiferromagnets have promising potential to replace ferromagnets in the field of spintronics as high-density devices with ultrafast operation. To take full advantage of noncollinear antiferromagnets in spintronics…

Materials Science · Physics 2021-08-05 T. Hajiri , K. Matsuura , K. Sonoda , E. Tanaka , K. Ueda , H. Asano

We present the first Faraday rotation measure (RM) grid study of an individual low-mass cluster -- the Fornax cluster -- which is presently undergoing a series of mergers. Exploiting commissioning data for the POlarisation Sky Survey of the…

We present high-resolution optically detected magnetic resonance (ODMR) spectroscopy on single nitrogen-vacancy (NV) center spins in diamond at and around zero magnetic field. The experimentally observed transitions depend sensitively on…

Mesoscale and Nanoscale Physics · Physics 2019-11-22 Johannes Kölbl , Mark Kasperczyk , Beat Bürgler , Arne Barfuss , Patrick Maletinsky

We demonstrate a method to extend the range of pulsed laser spin noise measurements to long spin lifetimes. We use an analog time-domain detection scheme with a bandwidth limited only by laser pulse duration. Our model uses statistics and…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 Brennan C. Pursley , Xinlin Song , Vanessa Sih

Measuring the properties of extragalactic magnetic fields through the effect of Faraday rotation provides a means to understand the origin and evolution of cosmic magnetism. Here we use data from the LOFAR Two-Metre Sky Survey (LoTSS) to…

Ramsey interferometry is a cornerstone technique for precise measurement of time and frequency in modern clocks. The Ramsey experiments are typically done in optically dilute samples of atoms to improve homogeneity and avoid back-action of…

Quantum Physics · Physics 2025-05-20 S. A. Moiseev , K. I. Gerasimov , M. M. Minnegaliev , I. V. Brekotkin , E. S. Moiseev

We measure the infrared (wavelength 11 - 0.8 microns; energy E = 0.1 - 1.5 eV) Faraday rotation and ellipticity in GaAs, BaF2, LaSrGaO4, LaSrAlO4, and ZnSe. Since these materials are commonly used as substrates and windows in infrared…

Optics · Physics 2009-09-30 M. -H. Kim , V. Kurz , G. Acbas , C. T. Ellis , J. Cerne

In this paper, we provide expressions for the detected optical irradiance for magneto-optic characterization of superparamagnetic nanoparticles (SPNs) in solution imparting Faraday rotation (FR) to an optical beam passing through the sample…

Optics · Physics 2025-10-09 Syed Azer Reza , Maarij Syed

SABRE (Signal Amplification By Reversible Exchange) has become a widely used method for hyper-polarizing nuclear spins, thereby enhancing their Nuclear Magnetic Resonance (NMR) signals by orders of magnitude. In SABRE experiments,…

Chemical Physics · Physics 2020-12-02 Stephan Knecht , Danila A. Barskiy , Gerd Buntkowsky , Konstantin L. Ivanov

We experimentally image the magnetic precession phase of patterned spin Hall multilayer samples to study the rf driving field vector using time-resolved anomalous Nernst effect (TRANE) microscopy. Our ferromagnetic resonance (FMR)…

Materials Science · Physics 2016-04-27 Feng Guo , Jason M. Bartell , Gregory D. Fuchs

We investigate the distribution and properties of Faraday rotating and synchrotron emitting regions in the Galactic ISM in the direction of the Galactic anti-centre. We apply Faraday tomography to a radio polarization dataset that we…

Astrophysics · Physics 2015-05-13 D. H. F. M. Schnitzeler , P. Katgert , A. G. de Bruyn

Recently, modulation of the energy bandgap of graphene when gas molecules are adsorbed to its surface has been proved to be possible. Motivated by this, based on numerical calculations, we investigate the effect of the associated bandgap…

Mesoscale and Nanoscale Physics · Physics 2021-11-22 D. Jahani , O. Akhavan , A. Alidoust Ghatar , W. Fritzsche , F. Garwe

Nonlinear interferometers with correlated photons hold a promise to advance optical characterization and metrology techniques by improving their performance and affordability. Nonlinear interferometers offer the sub-shot noise phase…

Quantum Physics · Physics 2020-05-13 Anna V. Paterova , Leonid A. Krivitsky