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Related papers: Nonlinear magneto-optical rotation with frequency-…

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We analyze nonlinear magneto-optical rotation (NMOR) in rubidium vapor subjected to continuously-scanned magnetic field. By varying magnetic-field sweep rate, a transition from traditionally-observed dispersive-like NMOR signals (low sweep…

Atomic Physics · Physics 2018-04-25 R. S. Grewal , A. Rybak , M. Florkowski , S. Pustelny

We predict a non-thermal magneto-optical effect for magnetic insulators subject to intense light carrying orbital angular momentum (OAM). Using a classical approach to second harmonic generation in non-linear media with specific symmetry…

Mesoscale and Nanoscale Physics · Physics 2014-10-17 Thomas Bose , Jamal Berakdar

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

Nonlinear magneto-optics is a very sensitive fingerprint of the electronic, magnetic, and atomic structure of surfaces, interfaces, and thin ferromagnetic films. Analyzing theoretically the nonlinear magneto-optical Kerr effect for thin…

Condensed Matter · Physics 2009-10-28 U. Pustogowa , T. A. Luce , W. Hubner , K. H. Bennemann

A low-light-power theory of nonlinear magneto-optical rotation of frequency-modulated light resonant with a J=1->J'=0 transition is presented. The theory is developed for a Doppler-free transition, and then modified to account for Doppler…

Atomic Physics · Physics 2009-11-10 Yu. P. Malakyan , S. M. Rochester , D. Budker , D. F. Kimball , V. V. Yashchuk

We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four wave mixing process results in nonlinear magneto-optical rotation…

Quantum Physics · Physics 2015-06-22 N. Otterstrom , R. C. Pooser , B. J. Lawrie

We describe a room-temperature alkali-metal atomic magnetometer for detection of small, high frequency magnetic fields. The magnetometer operates by detecting optical rotation due to the precession of an aligned ground state in the presence…

Atomic Physics · Physics 2010-10-12 M. P. Ledbetter , V. M. Acosta , S. M. Rochester , D. Budker , S. Pustelny , V. V. Yashchuk

Specific types of atomic coherences between Zeeman sublevels can be generated and detected using a method based on nonlinear magneto-optical rotation with frequency modulated light. Linearly polarized, frequency modulated light is employed…

The nonlinear Zeeman effect can induce splitting and asymmetries of magnetic-resonance lines in the geophysical magnetic field range. This is a major source of "heading error" for scalar atomic magnetometers. We demonstrate a method to…

Atomic Physics · Physics 2018-01-24 Guzhi Bao , Arne Wickenbrock , Simon Rochester , Dmitry Budker

We predict theoretically and demonstrate experimentally an ellipticity-dependent nonlinear magneto-optic rotation of elliptically-polarized light propagating in a coherent atomic medium. We show that this effect results from a hexadecapole…

Atomic Physics · Physics 2009-11-07 A. B. Matsko , I. Novikova , M. S. Zubairy , G. R. Welch

In recent years diode laser sources have become widespread and reliable tools in magneto-optical spectroscopy. In particular, laser-driven atomic magnetometers have found a wide range of practical applications. More recently, so-called…

Atomic Physics · Physics 2015-06-16 Z. D. Grujić , A. Weis

Using laser optical pumping, widths and frequency shifts are determined for microwave transitions between ground-state hyperfine components of $^{85}$Rb and $^{87}$Rb atoms contained in vapor cells with alkane anti-relaxation coatings. The…

Atomic Physics · Physics 2009-11-10 D. Budker , L. Hollberg , D. F. Kimball , J. Kitching , S. Pustelny , V. V. Yashchuk

Magnetic sensing beyond linear regime could broaden the frequency range of detectable magnetic fields, which is crucial to various microwave and quantum applications. Recently, nonlinear interactions in diamond nitrogen-vacancy (NV)…

Applied Physics · Physics 2024-05-07 Zhongqiang Hu , Zhiping He , Qiuyuan Wang , Chung-Tao Chou , Justin T. Hou , Luqiao Liu

We investigate nuclear magnetic resonance (NMR) in near-zero-field, where the Zeeman interaction can be treated as a perturbation to the electron mediated scalar interaction (J-coupling). This is in stark contrast to the high field case,…

In this article, we review the history, current status, physical mechanisms, experimental methods, and applications of nonlinear magneto-optical effects in atomic vapors. We begin by describing the pioneering work of Macaluso and Corbino…

Atomic Physics · Physics 2009-11-07 D. Budker , W. Gawlik , D. F. Kimball , S. M. Rochester , V. V. Yashchuk , A. Weis

Nuclear magnetic resonance (NMR) technique benefits from high magnetic field not only due to the field-enhanced measurement sensitivity and resolution, but also because it is a powerful tool to investigate field-induced physics in modern…

Instrumentation and Detectors · Physics 2023-05-05 Wenqi Wei , Qinying Liu , Le Yuan , Jian Zhang , Shiyu Liu , Rui Zhou , Yongkang Luo , Xiaotao Han

We extend our earlier investigations [Opt. Commun. {\bf 179}, 97 (2000)] on the enhancement of magneto-optical rotation (MOR) to include inhomogeneous broadening. We introduce a control field that counter-propagates with respect to the…

Quantum Physics · Physics 2009-11-07 Anil K. Patnaik , G. S. Agarwal

We utilize the generation of large atomic coherence to enhance the resonant nonlinear magneto-optic effect by several orders of magnitude, thereby eliminating power broadening and improving the fundamental signal-to-noise ratio. A…

Strongly out-of-equilibrium regimes in magnetic nanostructures exhibit novel properties, linked to the nonlinear nature of magnetization dynamics, which are of great fundamental and practical interest. Here, we demonstrate that field-driven…

Ultralow-field nuclear magnetic resonance (NMR) provides a new regime for many applications ranging from materials science to fundamental physics. However, the experimentally observed spectra show asymmetric amplitudes, differing greatly…

Quantum Physics · Physics 2019-02-22 Min Jiang , Wenjie Xu , Yunlan Ji , Ji Bian , Shiming Song , Xinhua Peng