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Detector characterization and instrumentation testing are often performed at cyclotron and synchrotron facilities, many of which were originally developed for medical applications in cancer therapy. For particle physics experiments…

The ability to perform fast, high-fidelity readout of quantum bits (qubits) is essential to the goal of building a quantum computer. However, coupling a fast measurement channel to a superconducting qubit typically also speeds up its…

Excitons -- two-particle correlated electron-hole pairs -- are the dominant low-energy optical excitation in the broad class of semiconductor materials, which range from classical silicon to perovskites, and from two-dimensional to organic…

Materials Science · Physics 2025-11-25 Marcel Reutzel , G. S. Matthijs Jansen , Stefan Mathias

Randomness extraction is an essential post-processing step in practical quantum cryptography systems. When statistical fluctuations are taken into consideration, the requirement of large input data size could heavily penalise the speed and…

Quantum Physics · Physics 2024-04-09 Hong Jie Ng , Wen Yu Kon , Ignatius William Primaatmaja , Chao Wang , Charles Lim

In order to use a collection of trapped ions for experiments where a well defined preparation of vibrational states is necessary, all vibrational modes have to be cooled to ensure precise and repeatable manipulation of the ions' quantum…

Atomic Physics · Physics 2009-11-11 Christof Wunderlich , Giovanna Morigi , Dirk Reiss

The effects of electron clouds on positively-charged beams have been an active area of research in recent years at particle accelerators around the world. Transverse beam-size blow-up due to electron clouds has been observed in some…

Accelerator Physics · Physics 2009-11-10 J. W. Flanagan , K. Ohmi , H. Fukuma , S. Hiramatsu , M. Tobiyama , E. Perevedentsev

The classical spectrum analysis methods utilize window functions to reduce the masking effect of a strong spectral component over weaker components. The main cost of side-lobe reduction is the reduction of signal-to-noise ratio (SNR) level…

Signal Processing · Electrical Eng. & Systems 2017-10-30 Cagatay Candan

To make full use of photocathode material and improve its quantum efficiency lifetime, it can be necessary to operate laser away from the cathode center in photoinjectors. In RF guns, the off-axis emitted beam will see a time-dependent RF…

Accelerator Physics · Physics 2016-12-21 Rui-Xuan Huang , Chad Mitchell , Qi-Ka Jia , Christos Papadopoulos , Fernando Sannibale

Raman spectra obtained by the inelastic scattering of light by crystalline solids contain contributions from first-order vibrational processes (e.g. the emission or absorption of one phonon, a quantum of vibration) as well as higher-order…

Materials Science · Physics 2017-08-22 Yannick Gillet , Stefan Kontur , Matteo Giantomassi , Claudia Draxl , Xavier Gonze

We present a method relying on shortcuts to adiabaticity to achieve quantum detection of high frequency signals at the nanoscale in a robust manner. More specifically, our protocol delivers tailored amplitudes and frequencies for control…

Quantum Physics · Physics 2020-11-24 Carlos Munuera-Javaloy , Yue Ban , Xi Chen , Jorge Casanova

We report the first high-field magneto-optical study on the exciton-phonon sideband of single-walled carbon nanotubes (SWNTs) consisting only of (6,5) species. Both energy and intensity of the observed phonon sideband were found to be…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Weihang Zhou , Tatsuya Sasaki , Daisuke Nakamura , Hiroaki Saito , Huaping Liu , Hiromichi Kataura , Shojiro Takeyama

High quality electron beams, with high spatial and tempo- ral resolution, have an important use in electron diffraction experiments to probe and study the constituents of matter. A cold electron source is being developed based on elec- tron…

Accelerator Physics · Physics 2015-05-12 R Appleby , W. Bertsche , M. Harvey , M. Jones , B. Kyle , O. Mete , A. Murray , G. Xia

Nonlinear optical phenomena are widely used for the study of semiconductor materials. The paper presents an overview of experimental and theoretical studies of excitons by the method of optical second and third harmonics generation in…

Materials Science · Physics 2018-08-29 D. R. Yakovlev , V. V. Pavlov , A. V. Rodina , R. V. Pisarev , J. Mund , W. Warkentin , M. Bayer

Energy harvesting from vortex-induced vibrations is a promising technology that relies on the vibrations of bluff bodies due to vortex shedding. Increasing the vibration amplitude at a given free stream kinetic energy is therefore…

Fluid Dynamics · Physics 2024-12-30 Varun Varma Jaganath , Ben Steinfurth

We theoretically study nonlinear optics of excitons under intense THz irradiation. In particular, the linear near infrared absorption and resonantly enhanced nonlinear sideband generation are described. We predict a rich structure in the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Kristinn Johnsen , Antti-Pekka Jauho

The effects of synchrotron radiation on particle motion in storage rings are discussed. In the absence of radiation, particle motion is symplectic, and the beam emittances are conserved. The inclusion of radiation effects in a classical…

Accelerator Physics · Physics 2015-07-09 Andrzej Wolski

Quantum networks using photonic channels require control of the interactions between the photons, carrying the information, and the elements comprising the nodes. In this work we theoretically analyse the spectral properties of an optical…

Quantum Physics · Physics 2021-12-23 Tom Schmit , Luigi Giannelli , Anders S. Sørensen , Giovanna Morigi

Broadband multidimensional variational measurement allows to overcome Standard Quantum Limit (SQL) of a classical mechanical force detection, resulting from quantum back action, which perturbs evolution of a mechanical oscillator. In this…

Quantum Physics · Physics 2023-10-10 Aleksandr A. Movsisian , Sergey P. Vyatchanin

Resonance fluorescence of a single trapped ion is spectrally analyzed using a heterodyne technique. Motional sidebands due to the oscillation of the ion in the harmonic trap potential are observed in the fluorescence spectrum. From the…

Quantum Physics · Physics 2009-11-06 Ch. Raab , J. Eschner , J. Bolle , H. Oberst , F. Schmidt-Kaler , R. Blatt

Going beyond isolated system dynamics, we examine how local and spatially correlated reservoirs influence the work extraction in quantum batteries. By employing a one-dimensional spin-1/2 model coupled to baths via dephasing and…

Quantum Physics · Physics 2025-09-30 Sejal Ahuja , Tanoy Kanti Konar , Aditi Sen De