Publikation: Nonlinear Generation, Compression and Spatio-Temporal Analysis of sub-GV/cm-Class Femtosecond Mid-Infrared Transients
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A Yb:YAG thin-disk regenerative amplifier with 3 kHz repetition rate pumps a second-order nonlinear mixing scheme providing femtosecond transients of maximum electric field strength beyond 330 MV cm−1 at a center frequency of 45 THz. This value surpasses field conditions present at submolecular dimensions of matter. The inherent competition between efficiency and bandwidth in parametric downconversion is overcome with a third-order nonlinear step of self-phase modulation (SPM). The high repetition rate, versatility, beam quality, and passive phase stability of our system support advanced spectroscopic approaches like electro-optic sampling (EOS). With this technique, solitonic self-compression and octave-spanning supercontinua directly on a subcycle scale are studied.
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SCHÖNFELD, Christoph, Lennart FEUERER, Alexander-Cornelius HEINRICH, Alfred LEITENSTORFER, Davide BOSSINI, 2024. Nonlinear Generation, Compression and Spatio-Temporal Analysis of sub-GV/cm-Class Femtosecond Mid-Infrared Transients. In: Laser & Photonics Reviews. Wiley. 2024, 18(7), 2301152. ISSN 1863-8880. eISSN 1863-8899. Verfügbar unter: doi: 10.1002/lpor.202301152BibTex
@article{Schonfeld2024-07Nonli-69720,
year={2024},
doi={10.1002/lpor.202301152},
title={Nonlinear Generation, Compression and Spatio-Temporal Analysis of sub-GV/cm-Class Femtosecond Mid-Infrared Transients},
number={7},
volume={18},
issn={1863-8880},
journal={Laser & Photonics Reviews},
author={Schönfeld, Christoph and Feuerer, Lennart and Heinrich, Alexander-Cornelius and Leitenstorfer, Alfred and Bossini, Davide},
note={Article Number: 2301152}
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<dcterms:abstract>A Yb:YAG thin-disk regenerative amplifier with 3 kHz repetition rate pumps a second-order nonlinear mixing scheme providing femtosecond transients of maximum electric field strength beyond 330 MV cm<sup>−1</sup> at a center frequency of 45 THz. This value surpasses field conditions present at submolecular dimensions of matter. The inherent competition between efficiency and bandwidth in parametric downconversion is overcome with a third-order nonlinear step of self-phase modulation (SPM). The high repetition rate, versatility, beam quality, and passive phase stability of our system support advanced spectroscopic approaches like electro-optic sampling (EOS). With this technique, solitonic self-compression and octave-spanning supercontinua directly on a subcycle scale are studied.</dcterms:abstract>
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