High-energy few-cycle pulses: post-compression techniques

T Nagy, P Simon, L Veisz - Advances in Physics: X, 2021 - Taylor & Francis
Contemporary ultrafast science requires reliable sources of high-energy few-cycle light
pulses. Currently two methods are capable of generating such pulses: post compression of …

Attosecond physics at the nanoscale

MF Ciappina, JA Pérez-Hernández… - Reports on Progress …, 2017 - iopscience.iop.org
Recently two emerging areas of research, attosecond and nanoscale physics, have started
to come together. Attosecond physics deals with phenomena occurring when ultrashort laser …

Post-compression of femtosecond laser pulses using self-phase modulation: from kilowatts to petawatts in 40 years

EA Khazanov - Quantum Electronics, 2022 - iopscience.iop.org
The pulse duration at the output of femtosecond lasers is usually close to the Fourier limit,
and can be shortened by increasing the spectral width. To this end, use is made of self …

[HTML][HTML] Transient absorption spectroscopy based on uncompressed hollow core fiber white light proves pre-association between a radical ion photocatalyst and …

A Kumar, P Malevich, L Mewes, S Wu… - The Journal of …, 2023 - pubs.aip.org
We present a hollow-core fiber (HCF) based transient absorption experiment, with
capabilities beyond common titanium: sapphire based setups. By spectral filtering of the …

Compression of CEP-stable multi-mJ laser pulses down to 4 fs in long hollow fibers

F Böhle, M Kretschmar, A Jullien, M Kovacs… - Laser Physics …, 2014 - iopscience.iop.org
Carrier–envelope phase stable 4 fs near-IR pulses with 3 mJ energy were generated by
spectral broadening of circularly polarized 8 mJ pulses in a differentially pumped 2 m long …

Generation and characterization of isolated attosecond pulses at 100 kHz repetition rate

T Witting, M Osolodkov, F Schell, F Morales… - Optica, 2022 - opg.optica.org
The generation of coherent light pulses in the extreme ultraviolet (XUV) spectral region with
attosecond pulse durations constitutes the foundation of the field of attosecond science …

Synchronized pulses generated at 20 eV and 90 eV for attosecond pump–probe experiments

D Fabris, T Witting, WA Okell, DJ Walke… - Nature …, 2015 - nature.com
The development of attosecond pulses across different photon energies is an essential
precursor to performing pump–probe attosecond experiments in complex systems, where …

Chirp-control of resonant high-order harmonic generation in indium ablation plumes driven by intense few-cycle laser pulses

Z Abdelrahman, MA Khokhlova, DJ Walke, T Witting… - Optics …, 2018 - opg.optica.org
We have studied high-order harmonic generation (HHG) in an indium ablation plume driven
by intense few-cycle laser pulses centered at 775 nm as a function of the frequency chirp of …

Time-domain ptychography of over-octave-spanning laser pulses in the single-cycle regime

T Witting, D Greening, D Walke, P Matia-Hernando… - Optics letters, 2016 - opg.optica.org
We report, to the best of our knowledge, the first application of time-domain ptychography for
the characterization of few-cycle laser pulses. Our method enables zero-additional phase …

Broadband visible two-dimensional spectroscopy of molecular dyes

L Mewes, RA Ingle, A Al Haddad… - The Journal of Chemical …, 2021 - pubs.aip.org
Two-dimensional Fourier transform spectroscopy is a promising technique to study ultrafast
molecular dynamics. Similar to transient absorption spectroscopy, a more complete picture …