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Optically probing materials in high magnetic fields can provide enlightening insight into field-modified electronic states and phases, while optically driving materials in high magnetic fields can induce novel nonequilibrium many-body…

Optics · Physics 2022-06-22 Fuyang Tay , Andrey Baydin , Fumiya Katsutani , Junichiro Kono

The low magnetic field measurement has been utilized since ancient times in order to find economic resources, to detect magnetic anomalies, etc. In this case, the vector magnetic survey can simultaneously obtain the modulus and direction…

Instrumentation and Detectors · Physics 2021-09-15 Huan Liu , Xiaobin Wang , Changfeng Zhao , Zehua Wang , Ge Jian , Haobin Dong , Zheng Liu

Nanoscale magnetic resonance imaging (NanoMRI) is an active area of applied research with potential use in structural biology and quantum engineering. The success of this technological vision hinges on improving the instrument's sensitivity…

The goal of this paper is to advance mathematical and computational methodology for orbiter-to-orbiter radio tomography of small planetary objects. In this study, an advanced full waveform forward model is coupled with a total variation…

Instrumentation and Methods for Astrophysics · Physics 2016-08-24 Sampsa Pursiainen , Mikko Kaasalainen

Vector field measurement is demonstrated with an all-optical scalar atomic magnetometer using intrinsic parameters related to its scalar operation. The Bell-Bloom type atomic magnetometer measures the Larmor precession of cesium atoms…

Atomic Physics · Physics 2021-02-02 Rui Zhang , Rahul Mhaskar , Ken Smith , Easswar Balasubramaniam , Mark Prouty

Quantum sensing techniques have been successful in pushing the sensitivity limits in numerous fields, and hold great promise for scanning probes that study nano-scale devices and novel materials. However, forming a nano-scale qubit that is…

Mesoscale and Nanoscale Physics · Physics 2019-08-23 Ilya Khivrich , Shahal Ilani

In this work we realize a narrow spectroscopic feature using a technique that we refer to as magnetically-induced optical transparency. A cold ensemble of $^{88}$Sr atoms interacts with a single mode of a high-finesse optical cavity via the…

Atomic Physics · Physics 2017-07-05 Matthew N. Winchester , Matthew A. Norcia , Julia R. K. Cline , James K. Thompson

We present a theoretical study of the spectra produced by optical-radio-frequency double resonance devices, in which resonant linearly polarized light is used in the optical pumping and detection processes. We extend previous work by…

Atomic Physics · Physics 2007-05-23 Antoine Weis , Georg Bison , Anatoly S. Pazgalev

Magnetic anisotropy is a key parameter of magnetic materials as it decides the response in the presence of an external magnetic field. The artificial tailoring of magnetic anisotropy by manipulating surface and interface morphology is…

Materials Science · Physics 2023-02-24 Anup Kumar Bera , Dileep Kumar

Recent advancements in deep learning have enabled the development of generalizable models that achieve state-of-the-art performance across various imaging tasks. Vision Transformer (ViT)-based architectures, in particular, have demonstrated…

Image and Video Processing · Electrical Eng. & Systems 2025-02-11 Guoyao Shen , Mengyu Li , Stephan Anderson , Chad W. Farris , Xin Zhang

We present experimental observation of electromagnetically induced transparency (EIT) on a single macroscopic artificial "atom" (superconducting quantum system) coupled to open 1D space of a transmission line. Unlike in a optical media with…

Quantum Physics · Physics 2015-05-18 A. A. Abdumalikov, , O. Astafiev , A. M. Zagoskin , Yu. A. Pashkin , Y. Nakamura , J. -S. Tsai

The optical conductivity measurements give a powerful tool to investigate the nature of the superconducting gap for conventional and unconventional superconductors. In this article, first, general analyses of the optical conductivity are…

Superconductivity · Physics 2007-05-23 Takashi Yanagisawa , Hajime Shibata

The Scanning Tunneling Microscope (STM) is a powerful instrument to study electronic density of states at surfaces down to atomic scale. Many interesting samples require studying variations as a function of the magnetic field, which is most…

We demonstrate atomic magnetometry using a metasurface polarizing beamsplitter fabricated on a silicon-on-sapphire (SOS) platform. The metasurface splits a beam that is near-resonant with the rubidium atoms (795 nm) into orthogonal linear…

A theoretical model for magnetooptic imaging is presented. The model gives a detailed description of the magnetooptic indicator and the optical imaging system, where the intensity at the detector plane is described by a set of diffraction…

Materials Science · Physics 2007-05-23 L. E. Helseth

We have developed an analytical framework for magnetically induced transparency-absorption (MITA) and normal-anomalous dispersion (MINAD) in a weakly driven ${}^{87}\text{Rb}$ vapor, or any J-type three-level system, under a vector magnetic…

Atomic Physics · Physics 2026-01-21 Hayk L. Gevorgyan

Magneto-resistance is a physical effect of great fundamental and industrial interest since it is the basis for the magnetic field sensors used in computer read-heads and Magnetic Random Access Memories. As device dimensions are reduced,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Viret , M. Gabureac , F. Ott , C. Fermon , C. Barreteau , R. Guirado-Lopez

Ultra-low field (ULF) MRI is a promising method for inexpensive medical imaging with various additional advantages over conventional instruments such as low weight, low power, portability, absence of artifacts from metals, and high…

Medical Physics · Physics 2015-06-12 I. Savukov , T. Karaulanov

We present a novel technique for measuring the characteristics of a magneto-optical trap for cold atoms by monitoring the spontaneous emission from trapped atoms coupled into the guided mode of a tapered optical nanofiber. We show that the…

Quantum Physics · Physics 2014-07-24 M. J. Morrissey , K. Deasy , Y. Wu , S. Chakrabarti , S. Nic Chormaic

We report an all-optical atomic vector magnetometer using dual Bell-Bloom optical pumping beams in a Rb vapor cell. This vector magnetometer consists of two orthogonal optical pumping beams, with amplitude modulations at $^{85}$Rb and…

Atomic Physics · Physics 2020-09-28 Bo Cai , Chuanpeng Hao , Zheru Qiu , Qianqian Yu , Wei Xiao , Dong Sheng