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Related papers: Steady-State Micro-Bunching based on Transverse-Lo…

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A novel generative site-specific beamforming (GenSSBF) approach, termed fast beam-brainstorm (F-BBS), is proposed to address the practical bottlenecks of slow beam generation and fixed channel probing lengths in existing GenSSBF. To…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Zihao Zhou , Zhaolin Wang , Yuanwei Liu

Transformers bring significantly improved performance to the light field image super-resolution task due to their long-range dependency modeling capability. However, the inherently high computational complexity of their core self-attention…

Image and Video Processing · Electrical Eng. & Systems 2025-03-26 Zeqiang Wei , Kai Jin , Zeyi Hou , Kuan Song , Xiuzhuang Zhou

I summarize the abilities of LEP-II, the SSC/LHC hadron colliders, and a future high energy $\epem$ collider (NLC) to detect the Higgs bosons of the Minimal Supersymmetric Model (MSSM). I then review the unique capabilities of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. F. Gunion

Spatiotemporal mode-locking (STML) has become an emerging approach to realize organized wavepackets in high-dimensional nonlinear photonic systems. Mode-locking in one dimensional systems employs a saturable absorber to resist fluctuations…

We present the physical design and systematic optimization of a high-performance storage ring tailored for the generation of high-power coherent radiation, with particular emphasis on the extreme ultraviolet (EUV) regime. The proposed ring…

Light sources on the scale of single molecules can be addressed and characterized on their proper sub-nanometer scale by scanning tunneling microscopy induced luminescence (STML). Such a source can be driven by defined short charge pulses…

Mesoscale and Nanoscale Physics · Physics 2021-06-15 Anna Rosławska , Pablo Merino , Christopher C. Leon , Abhishek Grewal , Markus Etzkorn , Klaus Kuhnke , Klaus Kern

Supercontinuum (SC) light source has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics, and chemistry. Compared to the frequently used photonic crystal fibers and bulk materials, femtosecond laser…

Dedicated optics with extremely short electron bunches enable synchrotron light sources to generate intense coherent THz radiation. The high degree of spatial compression in this so-called low-alpha optics entails a complex longitudinal…

Nowadays, there is a desperate need for an ultra-acceleration-gradient method for antimatter particles, which holds great significance in exploring the origin of matter, CP violation, astrophysics, and medical physics. Compared to…

Plasma Physics · Physics 2024-01-12 Meiyu Si , Yongsheng Huang , Manqi Ruan , Baifei Shen , Zhangli Xu , Tongpu Yu , Xiongfei Wang , Yuan Chen

Real-time, bunch-by-bunch monitoring of transverse position, longitudinal phase, and bunch length is crucial for beam control in diffraction-limited storage rings, where complex collective dynamics pose unprecedented diagnostic challenges.…

Accelerator Physics · Physics 2026-01-28 Can Liu , Xing Yang , Youming Deng , Qingqing Duan , Yongbin Leng

Recently, the existence of robust three-dimensional light bullets (LBs) was predicted theoretically in the output of a laser coupled to a distant saturable absorber. In this manuscript, we analyze the stability and the range of existence of…

Optics · Physics 2017-08-16 S. V. Gurevich , J. Javaloyes

Muon Colliders offer fantastic opportunities to explore new phenomena at the energy frontier. However, beam-induced-backgrounds from muon decays pose significant challenges for detector design, readout, and reconstruction. Previous detector…

High Energy Physics - Experiment · Physics 2025-12-12 Mira Littmann , Mark Larson , Benjamin Rosser , Tate Flicker , Kane Huang , Leo Rozanov , Karri Folan Di Petrillo

Longitudinal space charge (LSC) driven microbunching instability in electron beam formation systems of X-ray FELs is a recently discovered effect hampering beam instrumentation and FEL operation. The instability was observed in different…

Accelerator Physics · Physics 2015-05-18 E. A. Schneidmiller , M. V. Yurkov

This paper introduces Stochastic Gradient Langevin Boosting (SGLB) - a powerful and efficient machine learning framework that may deal with a wide range of loss functions and has provable generalization guarantees. The method is based on a…

Machine Learning · Computer Science 2022-01-19 Aleksei Ustimenko , Liudmila Prokhorenkova

In practical applications to free-space quantum communications, the utilization of active beam coupling and stabilization techniques offers notable advantages, particularly when dealing with limited detecting areas or coupling into…

Quantum Physics · Physics 2023-11-07 Dohoon Lim , Dongkyu Kim , Kyungdeuk Park , Dong-Gil Im , Yong Sup Ihn

A spatial light modulator (SLM) is one of the most useful and convenient device to generate structural light beams such as twisted light and complexed images used in modern optical science. The unbounded dimension of twisted light makes it…

In this paper, we introduce the concept of spot beamfocusing (SBF) in the Fresnel zone through extremely large-scale programmable metasurfaces (ELPMs) as a key enabling technology for 6G networks. A smart SBF scheme aims to adaptively…

Systems and Control · Electrical Eng. & Systems 2024-09-16 Mehdi Monemi , Mohammad Amir Fallah , Mehdi Rasti , Matti Latva-Aho

Three-dimensional (3D) spot beamfocusing (SBF), in contrast to conventional angular-domain beamforming, concentrates radiating power within a very small volume in both radial and angular domains in the near-field zone. Recently the…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Mohammad Amir Fallah , Mehdi Monemi , Mehdi Rasti , Matti Latva-Aho

Spot beamfocusing (SBF) is the process of focusing the signal power in a small spot-like region in the 3D space, which can be either hard-tuned (HT) using traditional tools like lenses and mirrors or electronically reconfigured (ER) using…

Information Theory · Computer Science 2024-08-20 Mehdi Monemi , Mohammad Amir Fallah , Mehdi Rasti , Matti Latva-Aho , Merouane Debbah