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We describe a nuclear spin gyroscope based on an alkali-metal-noble-gas co-magnetometer. An optically pumped alkali-metal vapor is used to polarize the noble gas atoms and detect their gyroscopic precession. Spin precession due to magnetic…

Atomic Physics · Physics 2007-05-23 T. W. Kornack , R. K. Ghosh , M. V. Romalis

We introduce circular under-threshold RABBITT (cuRABBITT) as a new interferometric method to probe discrete electronic excitations in atoms with attosecond resolution. By combining circularly polarized attosecond pulses with broadband…

At Diamond Light Source, the UK's national synchrotron facility, electron beam disturbances are attenuated by the fast orbit feedback (FOFB), which controls a cross-directional (CD) system with hundreds of inputs and outputs. Due to the…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Callum Umana Stuart , Idris Kempf

An analog crystal filter based cavity emulator is modified with reverse biased varactor diodes to provide a tuning range of around 160 Hz. The piezo drive voltage of the resonance controller is used to detune the cavity through the bias…

Accelerator Physics · Physics 2023-11-13 S. Raman , P. Varghese , B. Chase , S. Ahmed , C. Fulz , P. Hanlet , D. Klepec

We demonstrate a Ramsey-type microwave clock interrogating the 6.835~GHz ground-state transition in cold \textsuperscript{87}Rb atoms loaded from a grating magneto-optical trap (GMOT) enclosed in an additively manufactured loop-gap…

Atomic spin sensors are essential for beyond-the-standard-model exploration, biomagnetic measurement, and quantum navigation. While the traditional DC mode spin-exchange relaxation-free (SERF) comagnetometer achieves ultrahigh sensitivity,…

Atomic Physics · Physics 2025-05-27 Xiaofei Huang , Kai Wei , Yang Rui , Dinghui Gong , Saixin Zhou , Jie Zheng , Wei Quan

Superconducting qubits have achieved remarkable progress in gate fidelity and coherence, yet their typical nearest-neighbor connectivity presents constraints for implementing complex quantum circuits. Here, we introduce a cavity-mediated…

Quantum Physics · Physics 2026-02-10 Shinyoung Hwang , Sangyeon Lee , Eunjong Kim

Robust qubit-qubit interactions mediated by bosonic modes are central to many quantum technologies. Existing proposals combining fast oscillator-mediated gates with dynamical decoupling require strong pulses or fast control over the…

Quantum Physics · Physics 2023-05-31 I. Arrazola , J. Casanova

Quantum metrology typically demands the preparation of exotic quantum probe states, such as entangled or squeezed states, to surpass classical limits. However, the need for carefully calibrated system parameters and finely optimized quantum…

Differentially rotating flows of unmagnetized, highly conducting plasmas have been created in the Plasma Couette Experiment. Previously, hot-cathodes have been used to control plasma rotation by a stirring technique [C. Collins et al.,…

Measurements of elastic and inelastic cotunneling currents are presented on a two-terminal Aharonov--Bohm interferometer with a Coulomb blockaded quantum dot embedded in each arm. Coherent current contributions, even in magnetic field, are…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Martin Sigrist , Thomas Ihn , Klaus Ensslin , Matthias Reinwald , Werner Wegscheider

We investigate the equilibrium state and the collective modes of an excitonic insulator (EI) in a Fabry-P\'erot cavity. In an EI, two bands of a semiconductor or semimetal spontaneously hybridize due to the Coulomb interaction between…

Strongly Correlated Electrons · Physics 2020-12-30 Katharina Lenk , Martin Eckstein

We propose an all optical quantum computation scheme, with trapped electron spin qubits, using their Coulomb exchange interaction with optically excited microcavity exciton-polaritons. This paper describes a single qubit rotation, which…

Quantum Physics · Physics 2012-08-13 Shruti Puri , Na Young Kim , Eisuke Abe , Yoshihisa Yamamoto

Many extensions of the Standard Model propose the existence of new particles or forces, aiming to answer mysteries such as the identity of the elusive dark matter. Atomic-based detectors are at the forefront of technologies designed to…

High Energy Physics - Phenomenology · Physics 2024-10-23 Itay M. Bloch , Or Katz

We present a novel system to calibrate millimeter-wave polarimeters for CMB polarization measurements. This technique is an extension of the conventional metal mirror rotation approach, however it employs cryogenically-cooled blackbody…

Instrumentation and Methods for Astrophysics · Physics 2012-05-01 M. Hasegawa , O. Tajima , Y. Chinone , M. Hazumi , K. Ishidoshiro , M. Nagai

We describe an apparatus designed to make non-demolition measurements on a Bose-Einstein condensate (BEC) trapped in a double-well optical cavity. This apparatus contains, as well as the bosonic gas and the trap, an optical cavity. We show…

Quantum Physics · Physics 2015-06-22 M. Zuppardo , J. P. Santos , G. De Chiara , M. Paternostro , F. L. Semiao , G. M. Palma

Precise control of magnetic fields is a frequent challenge encountered in experiments with atomic quantum gases. Here we present a simple method for performing in-situ monitoring of magnetic fields that can readily be implemented in any…

Quantum Gases · Physics 2018-02-14 Ludwig Krinner , Michael Stewart , Arturo Pazmiño , Dominik Schneble

We describe a multifunctional sample probe for transport measurements, equipped with a two-axis goniometer providing computer controlled 360${^\circ}$ out of plane and manual 360${^\circ}$ in-plane rotation. The multifunctional sample probe…

Materials Science · Physics 2018-05-04 Mustafa Öztürk , Numan Akdoğan

While significant advancements have been made in weak magnetic field detection, conventional high-sensitivity techniques are often limited by requirements for cryogenic operation or bulky setups. In this work, we develop a sensitive…

Mesoscale and Nanoscale Physics · Physics 2026-04-17 Fan Yang , Xudong Wang , Lijun Yan , Yue Zhao , Jinwei Rao , Lihui Bai , Shishen Yan

Large-scale high sensitivity laser gyroscopes have important applications for ground-based and space-based gravitational wave detection. We report on the development of a 3 m$\times$3 m heterolithic passive resonant gyroscope (HUST-1) which…

Instrumentation and Detectors · Physics 2020-10-28 Fenglei Zhang , Kui Liu , Zongyang Li , Xiaohua Feng , Ke Li , Yanxia Ye , Yunlong Sun , Leilei He , K. Ulrich Schreiber , Jun Luo , Zehuang Lu , Jie Zhang
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