Ultrafast supercontinuum generation in bulk condensed media (Invited Review)

A Dubietis, G Tamošauskas, R Šuminas… - arXiv preprint arXiv …, 2017 - arxiv.org
Nonlinear propagation of intense femtosecond laser pulses in bulk transparent media leads
to a specific propagation regime, termed femtosecond filamentation, which in turn produces …

Coherent supercontinuum generation in soft glass photonic crystal fibers

M Klimczak, B Siwicki, A Heidt, R Buczyński - Photonics research, 2017 - opg.optica.org
An overview of the progress on pulse-preserving, coherent, nonlinear fiber-based
supercontinuum generation is presented. The context encompasses various wavelength …

Comparative study of multioctave supercontinuum generation in fused silica, YAG, and LiF in the range of anomalous group velocity dispersion

N Garejev, G Tamošauskas, A Dubietis - Journal of the Optical …, 2016 - opg.optica.org
We present spectral measurements that uncover the detailed dynamics of the
supercontinuum generation in fused silica, YAG, and LiF crystals when pumped with 100 fs …

Picojoule-level octave-spanning supercontinuum generation in chalcogenide waveguides

JÉ Tremblay, M Malinowski, KA Richardson… - Optics express, 2018 - opg.optica.org
Low propagation loss Ge_23Sb_7S_70 waveguides (0.56 dB/cm) are fabricated in a wafer
scale process. Simulation of a 2 cm long, 1.2 μm wide waveguide with 100 ps/nm/km peak …

Even and odd harmonics-enhanced supercontinuum generation in zinc-blende semiconductors

R Šuminas, A Marcinkevičiūtė, G Tamošauskas… - JOSA B, 2019 - opg.optica.org
We report on even and odd harmonics-enhanced supercontinuum generation in
polycrystalline ZnS and ZnSe samples, as pumped by femtosecond mid-infrared pulses. We …

[HTML][HTML] Invited Article: Multiple-octave spanning high-energy mid-IR supercontinuum generation in bulk quadratic nonlinear crystals

B Zhou, M Bache - Apl Photonics, 2016 - pubs.aip.org
Bright and broadband coherent mid-IR radiation is important for exciting and probing
molecular vibrations. Using cascaded nonlinearities in conventional quadratic nonlinear …

Filament-induced visible-to-mid-IR supercontinuum in a ZnSe crystal: Towards multi-octave supercontinuum absorption spectroscopy

O Mouawad, P Béjot, F Billard, P Mathey, B Kibler… - Optical Materials, 2016 - Elsevier
We report on the generation of multiple-octave supercontinuum laser source spanning from
0.5 μm to 11 μm induced by multi-filamentation in a ZnSe crystal. The generated …

Mid-infrared nonlinear absorption in As2S3 chalcogenide glass

F Théberge, P Mathieu, N Thiré, JF Daigle… - Optics …, 2016 - opg.optica.org
We report mid-infrared (MIR) nonlinear absorption in As_2S_3 glasses which results from
two-photon excitation of valence electron to the Urbach extension followed by strong linear …

Supercontinuum generation in mixed thallous halides KRS-5 and KRS-6

A Marcinkevičiūtė, G Tamošauskas, A Dubietis - Optical Materials, 2018 - Elsevier
We experimentally study supercontinuum generation in mixed thallous halides: thallium
bromoiodide (KRS-5) and thallium chlorobromide (KRS-6), as pumped with mid-infrared …

Ultrabroadband supercontinuum generation through filamentation in a lead fluoride crystal

Y Yang, W Bi, X Li, M Liao, W Gao, Y Ohishi, Y Fang… - JOSA B, 2019 - opg.optica.org
We report the filamentation and supercontinuum generation of a femtosecond pulse in a
piece of bulk lead fluoride (PbF_2) crystal with a high bandgap and an ultrabroadband …