Numerical modelings of ultrashort pulse propagation and conical emission in multimode optical fibers

K Tarnowski, S Majchrowska, P Béjot, B Kibler - JOSA B, 2021 - opg.optica.org
We make use of two well-known numerical approaches of nonlinear pulse propagation,
namely, the unidirectional pulse propagation equation and the multimode generalized …

Spatio-temporal self-focusing in femtosecond pulse transmission through multimode optical fibers

GD Hesketh, F Poletti, P Horak - Journal of lightwave …, 2012 - ieeexplore.ieee.org
We numerically investigate ultra-short pulse propagation in multimode optical fibers with
launch peak powers approaching the critical power for self-focusing using a generalized …

Description of ultrashort pulse propagation in multimode optical fibers

F Poletti, P Horak - JOSA B, 2008 - opg.optica.org
The guided, single-mode propagation of ultrashort optical pulses is commonly described by
a well studied and understood generalized nonlinear Schrödinger equation. Here we …

Evolution of femtosecond pulses in single-mode fibers having higher-order nonlinearity and dispersion

E Bourkoff, W Zhao, RI Joseph, DN Christodoulides - Optics letters, 1987 - opg.optica.org
Using computer simulations, we examine the effects of higher-order dispersive and
nonlinear propagation processes on the spectral and time development of ultrashort, high …

Theory of spectral supercontinuum generation in microstructure fibers

YA Shpolyanskiy, SA Kozlov… - Optical Devices for …, 2002 - spiedigitallibrary.org
We investigate an extremely complex mechanism of spectral supercontinuum generation at
the propagation of intensive femtosecond laser pulses in microstructure (photonic crystal) …

Dynamics of femtosecond supercontinuum generation in multimode fibers

F Poletti, P Horak - Optics Express, 2009 - opg.optica.org
We solve a system of generalized nonlinear Schr¨ odinger equations to study the nonlinear
dynamics of ultrashort pulse propagation in multimode fibers. Due to pulse walk-off …

Limitations of the linear Raman gain approximation in modeling broadband nonlinear propagation in optical fibers

M Erkintalo, G Genty, B Wetzel, JM Dudley - Optics express, 2010 - opg.optica.org
We consider the accuracy of modeling ultrashort pulse propagation and supercontinuum
generation in optical fibers based on the assumption of a material Raman response that …

Femtosecond nonlinear losses in multimode optical fibers

M Ferraro, F Mangini, M Zitelli, A Tonello… - Photonics …, 2021 - opg.optica.org
Multimode optical fibers are attracting a growing interest for their capability to transport high-
power laser beams, coupled with novel nonlinear optics-based applications. However …

[PDF][PDF] Modeling of ultrashort optical pulses in nonlinear fibers

S Amiranashvili - 2022 - archive.wias-berlin.de
This work deals with theoretical aspects of pulse propagation. The core focus is on extreme,
few-cycle pulses in optical fibers, pulses that are strongly affected by both dispersion and …

Controllable spatiotemporal nonlinear effects in multimode fibres

LG Wright, DN Christodoulides, FW Wise - Nature photonics, 2015 - nature.com
Multimode fibres are of interest for next-generation telecommunications systems and the
construction of high-energy fibre lasers. However, relatively little work has explored …