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Related papers: RF pulse shaping for gated electron mirrors

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This paper describes the demonstration of linearly polarized picosecond pulse shaping with variable profiles including symmetric and non-symmetric intensity distributions. Important characteristics such as stability and transmission were…

Optics · Physics 2019-01-21 Fangming Liu , Senlin Huang , Kexin Liu , Shukui Zhang

A model is presented that is applicable to a wide range of peak-shaped voltammetric signals. It may be used, via curve-fitting, to resolve severely overlapped peaks, irrespective of the degree(s) of reversibility of the electrode processes.…

Materials Science · Physics 2026-01-28 Weiguang Huang , T. L. E. Henderson , A. M. Bond , K. B. Oldham

High-fidelity control of superconducting qubits requires carefully shaped microwave pulses that account for multiple error channels. In this work, we present a pedagogical introduction to pulse-shaping techniques for transmon qubits, aiming…

Quantum Physics · Physics 2026-04-24 Animesh Patra , Ankur Raina

Reflecting light off a mirror moving near light speed offers a powerful method for generating bright, ultrashort pulses in the extreme ultraviolet range. Several investigations show that dense relativistic electron mirrors can be created by…

Plasma Physics · Physics 2026-01-16 Mojtaba Shirozhan , Fabien Quéré , Subhendu Kahaly

A key requirement for quantum technologies based on atoms, ions, and molecules, is the ability to realize precise phase- and amplitude-controlled quantum operations via coherent laser pulses. However, for generating pulses on the…

Quantum Physics · Physics 2025-12-30 Shuzhe Yang , Guido Masella , Vase Moeini , Amar Bellahsene , Chang Li , Tom Bienaimé , Shannon Whitlock

Relativistic flying mirrors in plasmas are realized as thin dense electron (or electron-ion) layers accelerated by high-intensity electromagnetic waves to velocities close to the speed of light in vacuum. The reflection of an…

Plasma Physics · Physics 2016-08-03 Sergei V. Bulanov , Timur Zh. Esirkepov , Masaki Kando , James K. Koga

Wavefront shaping is a technique for directing light through turbid media. The theoretical aspects of wavefront shaping are well understood, and under near-ideal experimental conditions, accurate predictions for the expected signal…

Optics · Physics 2024-07-01 Bahareh Mastiani , Daniël W. S. Cox , Ivo M. Vellekoop

Intelligent reflecting surfaces (IRSs) constitute passive devices, which are capable of adjusting the phase shifts of their reflected signals, and hence they are suitable for passive beamforming. In this paper, we conceive their design with…

Signal Processing · Electrical Eng. & Systems 2021-06-03 Chenghao Feng , Wenqian Shen , Xinyu Gao , Jianping An

Atom matterwave interferometry requires mirror and beamsplitter pulses that are robust to inhomogeneities in field intensity, magnetic environment, atom velocity and Zeeman sub-state. Pulse shapes determined using quantum control methods…

Quantum Physics · Physics 2018-08-29 Jack Saywell , Ilya Kuprov , David Goodwin , Max Carey , Tim Freegarde

We develop a practical forward fitting method based on the SIMPLEX algorithm with shaking, which allows the derivation of the magnetic field and other parameters along a solar flaring loop using microwave imaging spectroscopy of…

Solar and Stellar Astrophysics · Physics 2011-02-11 Gregory D. Fleishman , Gelu M. Nita , Dale E. Gary

We outline a recently developed theory of impedance-matching, or reflectionless excitation of arbitrary finite photonic structures in any dimension. It describes the necessary and sufficient conditions for perfectly reflectionless…

The recently discovered magnetization reversal driven solely by a femtosecond laser pulse has been shown to be a promising way to record information at record breaking speeds. Seeking to improve the recording density has raised intriguing…

We report the study and demonstration of a new laser pulse shaping system capable of generating linearly polarized picosecond laser pulses with variable temporal profiles including symmetric intensity distributions such as parabolic,…

Optics · Physics 2019-02-20 Fangming Liu , Senlin Huang , Shangyu Si , Gang Zhao , Kexin Liu , Shukui Zhang

The development of fast magnonic information processing nanodevices requires operating with short spin-wave pulses, but, the shorter the pulses, the more affected they are by information loss due to broadening and dispersion. The capability…

Mesoscale and Nanoscale Physics · Physics 2022-09-15 Silvia Casulleras , Sebastian Knauer , Qi Wang , Oriol Romero-Isart , Andrii V. Chumak , Carlos Gonzalez-Ballestero

We present an analysis of wave propagation and reflection in an acoustic waveguide with random sound soft boundary and a turning point. The waveguide has slowly bending axis and variable cross section. The variation consists of a slow and…

Analysis of PDEs · Mathematics 2016-09-16 Liliana Borcea , Josselin Garnier

Short (40-200 microseconds) single focused CO2 laser pulses of energy of about 100 microJ were used to fabricate high quality concave micromirror templates on silica and fluoride glass. The ablated features have diameters of 20-100 microns…

We show that a passive dispersive reflector integrated into a semiconductor laser can be used to tailor the laser dynamics for the generation of ultrashort pulses as well as stable dual-mode lasing. We analyze the stability using a general…

Optics · Physics 2024-02-06 Kristian Seegert , Mikkel Heuck , Yi Yu , Jesper Mørk

RF pulse modulation techniques are widely applied to shape RF pulses for various types of RF stations of particle accelerators. The amplitude and phase modulations are typically implemented with additional RF components that require drive…

Accelerator Physics · Physics 2026-03-04 Chao Liu , Ankur Dhar , Ronald Agustsson , Diego Amirari , Dennis Palmer , Martin Breidenbach , Emilio Nanni

Recently, a circuits-based approach for modeling the mutual coupling of reconfigurable surfaces, which comprise sub-wavelength spaced passive scattering elements coupled with electronic circuits for enabling the reconfiguration of the…

Information Theory · Computer Science 2023-02-08 Marco Di Renzo , Vincenzo Galdi , Giuseppe Castaldi

We theoretically demonstrate the possibility to tune the temporal waveform of optical unipolar pulses upon their coherent interaction with a multi-level resonant medium. This is achieved through the coherent control of the response of a…