Publications (17)
Domain Decomposition with Neural Network Interface Approximations for time-harmonic Maxwell's equations with different wave numbers
T. Knoke, S. Kinnewig, S. Beuchler +3
In this work, we consider the time-harmonic Maxwell's equations and their numerical solution with a domain decomposition method. As an innovative feature, we propose a feedforward…
Universal properties of locally generated terahertz waveforms from polarization-controlled two- and multi-color ionizing fields
H. Alirezaee, S. Skupin, V. Vaicaitis +4
The polarization states of terahertz (THz) radiation generated in a photo-ionized gas driven by strong two- or multi-frequency fields with locally controlled polarization are studi…
Versatile control of Be ions using a spectrally tailored UV frequency comb
A. -G. Paschke, G. Zarantonello, H. Hahn +6
We demonstrate quantum control of Be ions directly implemented by an optical frequency comb. Based on numerical simulations of the relevant processes in Be for diff…
Isotopic variations and Zeeman-like splitting in the spectra of nonlinear photonic meta-atoms
S. Zhang, I. Babushkin, U. Morgner +2
We study photonic meta-atoms, a unique class of composite solitary wave, supported in nonlinear waveguides. We establish an analogy to one-dimensional soft-core atoms, allowing to…
Boosting terahertz generation in laser-field ionized gases using a sawtooth wave shape
P. González de Alaiza MartÃnez, I. Babushkin, L. Bergé +6
Broadband ultrashort terahertz (THz) pulses can be produced using plasma generation in a noble gas ionized by femtosecond two-color pulses. Here we demonstrate that, by using multi…
All-Optical Single-Shot Temporal Characterization of SASE FEL Pulses Using Double-Blind Holography
A. Azzolin, O. Cannelli, K. -F. Wong +31
X-ray Free-electron lasers (XFELs) deliver ultrashort and ultrabright radiation in a photon-energy range spanning from extreme ultraviolet to hard X-rays. Supporting pulse duration…