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Ultrafast Light–Matter Dynamics

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 2081

Special Issue Editor


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Guest Editor
1. Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
2. Physics Department, Belgrade University, 11000 Belgrade, Serbia
Interests: ultrafast molecular dynamics; attosecond coherent control processes; ultrafast spectroscopy; laser and laser-driven VUV/XUV/XRAY ultrafast sources

Special Issue Information

Dear Colleagues,

With the turn of the century, powerful laser sources have opened up novel methods to unravel ultrafast molecular dynamics on unprecedented time scales—from femtosecond to attosecond temporal resolution. Nowadays, the development of new-generation ultrafast light sources is in full motion, covering wavelengths from THz and Mid-IR, to XUV and X-ray regimes. With the development of new-generation light sources—from laser to free-electron-laser user facilities— ultrashort radiation is becoming the main spectroscopy tool for unfolding and controlling ultrafast light–matter phenomena, with unprecedented temporal and spatial resolution. Ultrafast phenomena cover a broad range of topics such as control over electron and nuclear wave-packet dynamics in atoms and molecules, dynamics of complex chemical and biological systems, and ultrafast material sciences. In this Special Issue, we will systematically present a broad range of novel ultrafast light sources and experimental techniques of interest for ultrafast dynamics phenomena in gases, liquids, materials, and biological samples. In particular, we are interested in creating an opportunity for ultrafast light-source user facilities to present their research capacities to new user communities, as well as providing the reader with a systematic overview of the current trends in ultrafast dynamics.

Dr. Predrag Ranitovic
Guest Editor

Manuscript Submission Information

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Keywords

  • ultrafast molecular dynamics
  • ultrafast light sources
  • FEL and laser user facilities
  • ultrafast chemical bonding
  • electron and nuclear wave-packet dynamics
  • femtosecond
  • attosecond
  • coherent control processes
  • ultrafast materials sciences
  • cellular imaging

Published Papers (1 paper)

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Research

10 pages, 2702 KiB  
Article
Efficient Generation of Spectrum-Manipulated Few-Cycle Laser Pulses through Cascaded Dual-Chirped OPA
by Zuofei Hong, Han Zhang and Shaolin Ke
Int. J. Mol. Sci. 2021, 22(13), 6887; https://doi.org/10.3390/ijms22136887 - 26 Jun 2021
Cited by 2 | Viewed by 1473
Abstract
The cascaded dual-chirped optical parametric amplification (DC-OPA) is presented for efficient generation of few-cycle infrared (IR) laser pulses. The input pulses are strategically chirped to optimize the phase-matching bandwidth in each nonlinear crystal, and four regions of the signal spectrum are amplified in [...] Read more.
The cascaded dual-chirped optical parametric amplification (DC-OPA) is presented for efficient generation of few-cycle infrared (IR) laser pulses. The input pulses are strategically chirped to optimize the phase-matching bandwidth in each nonlinear crystal, and four regions of the signal spectrum are amplified in cascaded crystals with different cutting angles, enabling flexible manipulation of the output spectrum. Broadband gain and high conversion efficiency are simultaneously achieved owing to the cascaded-crystal arrangement, the signal pulse duration of 4.2 cycles is obtained with 11.7-mJ pulse energy, corresponding to a conversion efficiency of 39.0%. The proposed scheme offers a robust and simple approach to pushing the phase-matching bandwidth limits introduced by the nonlinear crystal, which manifests great prospect in various researches involving ultrafast optics and strong-field physics. Full article
(This article belongs to the Special Issue Ultrafast Light–Matter Dynamics)
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