Modeling and simulation techniques in extreme nonlinear optics of gaseous and condensed media

M Kolesik, JV Moloney - Reports on Progress in Physics, 2013 - iopscience.iop.org
Computer simulation techniques for extreme nonlinear optics are reviewed with emphasis
on the high light-intensity regimes in which both bound and freed electronic states contribute …

Mid-infrared laser filaments in air at a kilohertz repetition rate

H Liang, DL Weerawarne, P Krogen, RI Grynko, CJ Lai… - Optica, 2016 - opg.optica.org
Laser filamentation overcomes diffraction over a highly extended distance, making itself a
powerful tool for long-range stand-off detection and light detection and ranging (LIDAR) …

Higher-order nonlinearities revisited and their effect on harmonic generation

DL Weerawarne, X Gao, AL Gaeta, B Shim - Physical review letters, 2015 - APS
We report on harmonic generation experiments and calculations in air to investigate the
theoretical prediction of Kolesik et al.[Opt. Lett. 35, 2550 (2010)] for testing the recently …

Third-and fifth-harmonic generation by mid-infrared ultrashort pulses: beyond the fifth-order nonlinearity

D Kartashov, S Ališauskas, A Pugz̆lys, AA Voronin… - Optics Letters, 2012 - opg.optica.org
Third-and fifth-harmonic generation by ultrashort laser pulses in the mid-infrared (mid-IR)
reveals nonlinear-optical effects beyond the fifth-order nonlinearity and enables, because of …

Models for supercontinuum generation beyond the slowly-varying-envelope approximation

H Leblond, P Grelu, D Mihalache - Physical review A, 2014 - APS
We show numerically that both the modified Korteweg–de Vries and the sine-Gordon
models are conducive to the generation of supercontinua with spectral bandwidths of …

Third-and fifth-harmonic generation in transparent solids with few-optical-cycle midinfrared pulses

N Garejev, I Gražulevičiūtė, D Majus, G Tamošauskas… - Physical Review A, 2014 - APS
We report an experimental and numerical investigation of third-and fifth-harmonic
generation in a CaF 2 crystal with 20 fs (three-optical-cycle), 2 μ m driving pulses. The …

Kramers-Kronig relations and high-order nonlinear susceptibilities

C Brée, A Demircan, G Steinmeyer - … Review A—Atomic, Molecular, and Optical …, 2012 - APS
As previous theoretical results recently revealed, a Kramers-Kronig transform of multiphoton
absorption rates allows for a precise prediction on the dispersion of the nonlinear refractive …

Ultra-supercontinuum generation with high intense femtosecond pulses

R Alfano, SFB Mazhar, M Sharonov, L Shi - Optik, 2022 - Elsevier
Extreme spectral broadening has been theoretically simulated from the index of refraction
changes from the envelope response to the fifth-and third-order susceptibilities from self …

Harmonic-seeded remote laser emissions in N2-Ar, N2-Xe and N2-Ne mixtures: a comparative study

J Ni, W Chu, H Zhang, C **g, J Yao, H Xu, B Zeng… - Optics …, 2012 - opg.optica.org
We report on the investigation on harmonic-seeded remote laser emissions at 391 nm
wavelength from strong-field ionized nitrogen molecules in three different gas mixtures, ie …

Temporal and spatial properties of plasma induced by infrared femtosecond laser pulses in air

O Balachninaitė, J Skruibis, A Matijošius… - … Sources Science and …, 2022 - iopscience.iop.org
Abstract Space and time-resolved electron density and temperature of the plasma, created
in air by focused femtosecond laser pulses have been investigated as a function of the pump …