Optimizing spectral phase transfer in four-wave mixing with gas-filled capillaries

H Zhang, LS Sun, J Hirschman, MS Shariatdoust… - Optics …, 2024 - opg.optica.org
Four-wave mixing (FWM) in gas-filled hollow-core capillaries, a nonlinear optical process
that mixes signal and pump photon frequencies to generate idler frequency photons, offers a …

大连先进光源驱动激光纵向平顶整形及其束流动力学模拟分析

高清华, 李馨萌, 张百超, 杨栋元, 余永… - Chinese Journal of …, 2024 - opticsjournal.net
摘要驱动激光纵向整形是一种通过降低电子束发射度从而提升自由电子激光亮度的有效方法.
目前处于预研阶段的大连先进光源(DALS) 是最高重复频率为1 MHz 的自由电子激光用户装置 …

A modeling framework and LSTM nonlinear dynamics predictor for accelerating data generation in ultrafast optics and laser system design

J Hirschman, M Wang, E Abedi, S Carbajo - 2024 - preprints.opticaopen.org
Ultrafast optics and high-power laser systems are the backbone of nearly every major
industry from semiconductor manufacturing and telecommunications to advanced medical …

Simulation of nonlinearly shaped UV pulses in LCLS-II

N Neveu, R Lemons, J Duris, J Tang, Y Ding… - Nuclear Instruments and …, 2025 - Elsevier
Abstract Photoinjectors and Free Electron Lasers (FEL) are constantly advancing systems in
accelerator physics. Improving these systems has pushed the boundaries of emittance and x …

High-efficiency, single-stage tunable optical parametric amplifier for visible photocathode applications

B Lu, A Shiri, K Wernsing, S Carbajo - Optics Letters, 2024 - opg.optica.org
We present a single-stage optical parametric amplifier (OPA) with an average conversion
efficiency up to 38%, tunable between 1.01 and 1.18 µm. The OPA seed is produced by a …

Towards Implementation of 3D Amplitude Shaping at 515 nm and First Pulseshaping Experiments at PITZ

A Hoffmann, J Good, M Gross, M Krasilnikov… - Photonics, 2023 - mdpi.com
A key issue of X-ray free-electron lasers is the quality of the photoelectron beams generated
from a photocathode by laser pulses in the high-gradient RF gun. Controlling the shape of …

A new integrated machine learning framework for advanced photoemission

H Zhang, J Hirschman, R Lemons, L Sun… - … Beam Shaping XXIII, 2023 - spiedigitallibrary.org
The next generation of ultra-bright photoemission sources may offer opportunities to
enhance our understanding of fundamental spatiotemporal scales. However, modeling …

[HTML][HTML] Generation of UV Ellipsoidal Pulses by 3D Amplitude Shaping for Application in High-Brightness Photoinjectors

A Hoffmann, J Good, M Gross, M Krasilnikov… - Photonics, 2024 - mdpi.com
Photocathode laser pulse shaping is a crucial technology for enhancing the performance of
X-ray free-electron lasers by optimizing the quality of electron beams generated from …

Optimizing Spectral Phase Transfer in Four-Wave Mixing with Gas-filled Capillaries: A Trade-off Study

H Zhang, L Sun, J Hirschman, MS Shariatdoust… - arXiv preprint arXiv …, 2024 - arxiv.org
Four-wave mixing (FWM) in gas-filled hollow-core capillaries, a nonlinear optical process
that mixes signal and pump photon frequencies to generate idler frequency photons, offers a …

Stable, High-Power and Tunable Visible Laser System Seeded by Gain Managed Nonlinear Fiber Amplifier

A Shiri, B Lu, K Wernsing, S Carbajo - Advanced Solid State Lasers, 2024 - opg.optica.org
Stable, High-Power and Tunable Visible Laser System Seeded by Gain Managed
Nonlinear Fiber Amplifier Page 1 Stable, High-Power and Tunable Visible Laser System …