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The EuPRAXIA project aims to construct two state-of-the-art accelerator facilities based on plasma accelerator technology. Plasma-based accelerators offer the possibility of a significant reduction in facility size and cost savings over…

Plasma accelerators driven by intense laser or particle beams provide gigavolt-per-meter accelerating fields, promising to drastically shrink particle accelerators for high-energy physics and photon science. Applications such as linear…

Accelerator Physics · Physics 2021-04-30 Carl A. Lindstrøm

The interaction of micro- and nano-structured target surfaces with high-power laser pulses is being widely investigated for its unprecedented absorption efficiency. We have developed vertically aligned metallic micro-pillar arrays for…

Irradiation of solid surfaces with high intensity, ultrashort laser pulses triggers a variety of secondary processes that can lead to the formation of transient and permanent structures over large range of length scales from mm down to the…

Materials Science · Physics 2025-08-27 Jörn Bonse , Klaus Sokolowski-Tinten

We describe one-dimensional photonic crystals that support a guided mode suitable for atom trapping within a unit cell, as well as a second probe mode with strong atom-photon interactions. A new hybrid trap is analyzed that combines optical…

Optics · Physics 2013-09-17 C. -L. Hung , S. M. Meenehan , D. E. Chang , O. Painter , H. J. Kimble

In the effort of achieving high-energetic ion beams from the interaction of ultrashort laser pulses with a plasma, volumetric acceleration mechanisms beyond Target Normal Sheath Acceleration have gained attention. A relativisticly intense…

We present a comprehensive study of dispersion-engineered nanowire photonic crystal waveguides suitable for experiments in quantum optics and atomic physics with optically trapped atoms. Detailed design methodology and specifications are…

Accelerating particles to relativistic energies over very short distances using lasers has been a long standing goal in physics. Among the various schemes proposed for electrons, vacuum laser acceleration has attracted considerable interest…

Plasma Physics · Physics 2016-05-04 M. Thévenet , A. Leblanc , S. Kahaly , H. Vincenti , A. Vernier , F. Quéré , J. Faure

This paper presents a novel approach to launch single microparticles at high velocities under low vacuum conditions. In an all-optical table-top method, microparticles with sizes ranging from a few microns to tens of microns are accelerated…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 David Veysset , Yuchen Sun , Steven E. Kooi , Jet Lem , Keith A. Nelson

A set of ballpark parameters for laser, plasma, and accelerator technologies that define for electron energies reaching as high as TeV are identified. These ballpark parameters are carved out from the fundamental scaling laws that govern…

Plasma Physics · Physics 2010-12-13 M. Kando , H. Kiriyama , J. K. Koga , S. Bulanov , A. W. Chao , T. Esirkepov , R. Hajima , T. Tajima

We model carrier transport in photonic crystal lasers with lateral current injection through two-dimensional (2D) finite-volume simulations. Though such lasers can achieve ultra-low threshold currents, leakage paths reduce the carrier…

Microparticles ranging from sub-microns to millimeter in size are a common form of matter in magnetic fusion environment, and they are highly mobile due to their small mass. Different forces in addition to gravity can affect their motion…

Instrumentation and Detectors · Physics 2018-08-01 Pinghan Chu , Bradley T. Wolfe , Zhehui Wang

The hexagonal structure of graphene gives rise to the property of gas impermeability, motivating its investigation for a new application: protection of semiconductor photocathodes in electron accelerators. These materials are extremely…

In laser-plasma experiments, we observed that ion acceleration from the Coulomb explosion of the plasma channel bored by the laser, is prevented when multiple plasma instabilities such as filamentation and hosing, and nonlinear coherent…

Plasma Physics · Physics 2012-09-13 F. Sylla , A. Flacco , S. Kahaly , M. Veltcheva , A. Lifschitz , G. Sanchez-Arriaga , E. Lefebvre , V. Malka

Particle accelerators that use electromagnetic fields to increase a charged particle's energy have greatly advanced the development of science and industry since invention. However, the enormous cost and size of conventional radio-frequency…

Accelerator Physics · Physics 2021-08-24 Heng Tang , Lingrong Zhao , Pengfei Zhu , Xiao Zou , Jia Qi , Ya Cheng , Jiaqi Qiu , Xianggang Hu , Wei Song , Dao Xiang , Jie Zhang

A novel method for single-step, lithography-free, and large-scale laser writing of nanoparticle-based plasmonic structures has been developed. Changing energy of femtosecond laser pulses and thickness of irradiated gold film it is possible…

The enhancement of Er$^{3+}$-based up-conversion for photovoltaics in multilayer porous silicon photonic structures is considered theoretically and experimentally. Transfer matrix simulations are used to assess the increased photonic…

Optics · Physics 2012-09-06 Craig M. Johnson , Peter J. Reece , Gavin J. Conibeer

Recent success in deep neural networks has generated strong interest in hardware accelerators to improve speed and energy consumption. This paper presents a new type of photonic accelerator based on coherent detection that is scalable to…

Emerging Technologies · Computer Science 2019-05-21 Ryan Hamerly , Liane Bernstein , Alexander Sludds , Marin Soljačić , Dirk Englund

Photonic crystals enable fine control over light propagation at the nanoscale, and thus play a central role in the development of photonic and quantum technologies. Photonic band diagrams (BDs) are a key tool to investigate light…

The emergence of multi-petawatt laser facilities is expected to push forward the maximum energy gain that can be achieved in a single stage of a LWFA to tens of GeV, which begs the question - is it likely to impact particle physics by…

Accelerator Physics · Physics 2023-11-27 Shuang Liu , Fei Li , Shiyu Zhou , Jianfei Hua , Warren B. Mori , Chan Joshi , Wei Lu