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We report on the development of a capacitance measuring system which allows measurements of capacitance in pulsed magnetic fields up to 61~T. By using this system, magnetic-field responses of various physical quantities such…

We present a scheme to realize two-direction optical switch by a single-mode optical cavity containing some four-level atoms. The high switching efficiency can be obtained through low photon loss and large third-order nonlinear…

Optics · Physics 2018-07-04 Miaodi Guo , Xuemei Su

We present a realistic theoretical treatment of a three-level $\Lambda$ system in a hot atomic vapor interacting with a coupling and a probe field of arbitrary strengths, leading to electromagnetically-induced transparency and slow light…

Quantum Physics · Physics 2015-05-13 Joyee Ghosh , R. Ghosh , F. Goldfarb , J. -L. Le Gouët , F. Bretenaker

We report on the measurement of the contribution of the magnetic-dipole hyperfine interaction to the tensor polarizability of the electronic ground-state in $^{87}$Rb. This contribution was isolated by measuring the differential shift of…

Atomic Physics · Physics 2015-11-04 Yehonatan Dallal , Roee Ozeri

The ultrafast dynamic evolution of an atomic system under medium-strength laser fields is studied by performing transient absorption measurement. An analytical model developed from perturbation theory with a modified transition dipole…

Atomic Physics · Physics 2019-05-22 Zhenhao Wang , Yu He , Quanjun Wang , Jingjie Ding , Shaohua Sun , Zuoye Liu , Bitao Hu

A free-induction-decay (FID) type optically-pumped rubidium atomic magnetometer driven by a radio-frequency (RF) magnetic field is presented in this paper. Influences of parameters, such as the temperature of rubidium vapor cell, the power…

Atomic Physics · Physics 2023-01-23 Lulu Zhang , Yongbiao Yang , Ni Zhao , Jun He , Junmin Wang

We report on an optical magnetometer enhanced by vacuum-squeezed light, employing an Mx magnetometer based on $^{87}$Rb vapor in a micrometer-scale cell (~100 $\mu$m). Using the well-established polarization self-rotation effect in a…

We propose a method to controllably suppress the effect of the four-wave mixing caused by the coupling of the strong control optical field to both optical transitions in the $\Lambda$ system under the conditions of electromagnetically…

Quantum Physics · Physics 2016-09-21 Gleb Romanov , Chris O'Brien , I. Novikova

We investigate the prospects of using two-mode intensity squeezed twin-beams, generated in Rb vapor, to improve the sensitivity of spectroscopic measurements by engaging two-photon Raman transitions. As a proof of principle demonstration,…

Atomic Physics · Physics 2021-04-21 Nikunjkumar Prajapati , Ziqi Niu , Irina Novikova

We observe bimodal fluorescence patterns from atoms in a fast atomic beam when the laser excitation occurs in the presence of a magnetic field and the atoms sample only a portion of the laser profile. The behavior is well explained by…

Atomic Physics · Physics 2020-05-12 Bryan Hemingway , T. G. Akin , Steven Peil , J. V. Porto

For precision atomic magnetometry, inert buffer gas is included in alkali-metal vapor cells to significantly broaden hyperfine transitions, which facilitates optical pumping and reduces diffusive relaxation, while also providing…

Atomic Physics · Physics 2026-02-12 M. E. Limes , J. Smoot , J. Perez , J. Freeman , C. Amano-Dolan , D. Peters , W. Lee

We numerically investigate the effect of phase-amplitude coupling modulation on power spectra in semiconductor lasers subject to optical injection in a face to face configuration, when a non-negligible injection delay time is taken into…

Optics · Physics 2017-03-01 Pramod Kumar , Sudeshna Sinhac , Vishwa Pald , John Gerard McInerney

Enhancement of the trapping and optimization of the beam quality are two key issues of Laser Wake Field Acceleration (LWFA). The influence of stochastic acceleration on the trapping of electrons is compared to the one of cold injection. It…

Plasma Physics · Physics 2012-02-27 Mathieu Drouin , Quentin Harry , Alain Bourdier

A reduction of more than 20 dB of the intensity noise at the anti-phase relaxation oscillation frequency is experimentally demonstrated in a two-polarization dual-frequency solid-state laser without any optical or electronic feedback loop.…

Plasmonic interferometry is a rapidly growing area of research with a huge potential for applications in terahertz frequency range. In this Letter, we explore a plasmonic interferometer based on graphene Field Effect Transistor connected to…

Mesoscale and Nanoscale Physics · Physics 2020-07-03 Y. Matyushkin , S. Danilov , M. Moskotin , V. Belosevich , N. Kaurova , M. Rybin , E. Obraztsova , G. Fedorov , I. Gorbenko , V. Kachorovskii , S. Ganichev

We consider a hybrid atom-optomechanical system incorporating N identical $\Lambda$-type atoms. The system is subjected to dual optical and phononic drives. We show that by exploiting the optomechanical linear and quadratic interactions,…

Quantum Physics · Physics 2022-08-09 M. Hunza , M. Asjad , T. Abbas , M. Qasymeh , B. Teklu , H. Eleuch

Dynamic phase-only beam shaping with a liquid crystal spatial light modulator is a powerful technique for tailoring the beam's intensity profile or wave front. While shaping and controlling the light field is a highly researched topic,…

We present measurements of high-order harmonics and relativistic electrons emitted into the vacuum from a plasma mirror driven by temporally-shaped ultra-intense laser waveforms, produced by collinearly combining the main laser field with…

We experimentally investigated Rabi resonance-based continuously frequency-tunable microwave (MW) magnetic field detection using a single hybrid vapor cell filled with cesium and rubidium atoms. The multispecies atomic systems, with their…

Atomic Physics · Physics 2018-11-14 Fuyu Sun , Zhiyuan Jiang , Jifeng Qu , Zhenfei Song , Jie Ma , Dong Hou , Xiaochi Liu

Laser cooled Rb atoms were optically excited to 46d Rydberg states. A microwave pulse transferred a fraction of the atoms to the 47p Rydberg state. The resonant electric dipole-dipole interactions between atoms in these two states were…

Atomic Physics · Physics 2007-05-23 K. Afrousheh , P. Bohlouli-Zanjani , J. D. Carter , A. Mugford , J. D. D. Martin