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We demonstrate a horizontal, linearly guided Mach Zehnder atom interferometer in an optical waveguide. Intended as a proof-of-principle experiment, the interferometer utilises a Bose-Einstein condensate in the magnetically insensitive…

We introduce a new approach for measuring both the effective medium and the transport properties of light propagation in heterogeneous media. Our method utilizes the conceptual equivalence of frequency variation with a change in the…

Optics · Physics 2009-12-21 Sanli Faez , P. M. Johnson , Ad Lagendijk

Using light to measure an object's motion is central to operating mechanical sensors that probe forces and fields. Cavity optomechanical systems embed mechanical resonators inside optical resonators. This enhances the sensitivity of…

We present a novel high-field optical quantum magnetometer based on saturated absorption spectroscopy on the extreme angular-momentum states of the cesium D2 line. With key features including continuous readout, high sampling rate, and…

We investigate optomechanical forces on a nearly lossless scatterer, such as an atom pumped far off-resonance or amicromirror, inside an optical ring cavity. Our model introduces two additional features to the cavity: an isolator is used to…

Optics · Physics 2011-11-01 André Xuereb , Peter Horak , Tim Freegarde

Nonlinear optics is a promising idea potentially opening the path towards achieving super high beam intensities in circular accelerators. Creation of a tune spread reaching 50% of the betatron tune would provide strong Landau damping and…

Accelerator Physics · Physics 2012-02-27 A. Valishev , S. Nagaitsev , V. Kashikhin , V. Danilov

Large available bandwidth in 60\,GHz band promises very high data rates -- in the order of Gb/s. However, high free-space path loss makes it necessary to employ beamforming capable directional antennas. When beamforming is used, the links…

Networking and Internet Architecture · Computer Science 2015-03-16 A. W. Doff , Kishor Chandra , R. Venkatesha Prasad

A beam monitor detector prototype based on doped silica fibres coupled to optical fibres has been designed, constructed and tested, mainly for accelerators used in medical applications. Scintillation light produced by Ce and Sb doped silica…

Instrumentation and Detectors · Physics 2015-05-30 S. Braccini , A. Ereditato , F. Giacoppo , I. Kreslo , K. P. Nesteruk , M. Nirkko , M. Weber , P. Scampoli , M. Neff , S. Pilz , V. Romano

Laser-plasma technology promises a drastic reduction of the size of high energy electron accelerators. It could make free electron lasers available to a broad scientific community, and push further the limits of electron accelerators for…

Position-meter and speed-meter interferometers have been analysed for detecting gravitational waves. We introduce the concept of acceleration measurement in comparison with position and speed measurement. In this paper, we describe a…

General Relativity and Quantum Cosmology · Physics 2022-02-23 Junlang Li , Teng Zhang

The resonant enhancement of mechanical and optical interaction in optomechanical cavities enables their use as extremely sensitive displacement and force detectors. In this work we demonstrate a hybrid magnetometer that exploits the…

Optics and more recently coherent matter waves enabled inertial sensors such as accelerometers and gyroscopes to reach high levels of resolution and sensitivity. As these technologies rest on physical phenomena that require particular…

Quantum Physics · Physics 2022-10-18 Ilia Khomchenko , Patrick Navez , Henni Ouerdane

We describe a resonator based optical gyroscope whose sensitivity for measuring absolute rotation is enhanced via use of the anomalous dispersion characteristic of superluminal light propagation. The enhancement is given by the inverse of…

Quantum Physics · Physics 2007-05-23 M. S. Shahriar , G. S. Pati , R. Tripathi , V. Gopal , M. Messall , K. Salit

If ALPs exist, the refractive index of light will be modified when light traverses a region where an ALP field is present. We propose to measure the refractive index of light and its angular dependence as the Earth rotates with respect to…

General Physics · Physics 2022-03-23 Adrian Melissinos

The development of a directional, small-divergence, and short-duration picosecond x-ray probe beam with an energy greater than 50 keV is desirable for high energy density science experiments. We therefore explore through particle-in-cell…

Plasma Physics · Physics 2016-03-23 N. Lemos , J. L. Martins , F. S. Tsung , J. L. Shaw , K. A. Marsh , F. Albert , B. B. Pollock , C. Joshi

The electron optics of a 90 degree spherical deflecting analyzer (SDA-90) is investigated with an imaging matrix formalism. As a preanalyzer in the UTA-neutrino experiment, high transmission and reasonable energy resolution are the choices…

Optics · Physics 2007-05-23 Chong-Yu Ruan , Scott Nguyen , Manfred Fink

As the ubiquity of smart mobile devices continues to rise, Optical Camera Communication systems have gained more attention as a solution for efficient and private data streaming. This system utilizes optical cameras to receive data from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Hang Su , Ling Gao , Tao Liu , Laurent Kneip

Quantum metrology leverages quantum correlations for enhanced parameter estimation. Recently, structured light enabled increased resolution and sensitivity in quantum metrology systems. However, lossy and complex setups impacting photon…

Quantum Physics · Physics 2024-04-05 Ofir Yesharim , Guy Tshuva , Ady Arie

We demonstrate an all-optical magnetometer capable of measuring the magnitude and direction of a magnetic field using nonlinear magneto-optical rotation in a cesium vapor. Vector capability is added by effective modulation of the field…

Atomic Physics · Physics 2015-06-19 B. Patton , E. Zhivun , D. C. Hovde , D. Budker

Quantum fluctuations constitute the primary noise barrier limiting cavity-based axion dark matter searches. In an experiment designed to mimic a real axion search, we employ a quantum-enhanced sensing technique to detect a synthetic…