Institute of Quantum Optics;
Leibniz Universität Hannover;
30167 Hanover;
Germany;
Max Born Institute(MBI);
12489 Berlin;
Germany;
Laser Zentrum Hannover e.V.;
30419 Hanover;
Germany;
Hanover Centre for Optical Technologies;
30167 Hanover;
Germany;
attosecond pulses; optical solitons; supercontinuum; ultrashort pulses;