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"10 W CEP-stable few-cycle source at 2 μm with 100 kHz repetition rate" M. Neuhaus, H. Fuest, M. Seeger, J. Schötz, M. Trubetskov, P. Russbueldt, H. D. Hoffmann, E. Riedle, Zs. Major, V. Pervak, M. F. Kling, and P. WnukOptics Express, 26, 16074 - 16085 (2018). Abstract: We developed a high repetition rate optical parametric chirped-pulse amplification (OPCPA) laser system based on fiber-laser-seeded Innoslab to generate few-cycle pulses around 2 μm with passively stable carrier-envelope phase (CEP) by difference frequency generation (DFG). Incorporating a piezo mirror before the DFG stage permits rapid CEP control. The OPCPA system is seeded by a stable supercontinuum generated in bulk material with the picosecond Innoslab pulses. Few-cycle pulses with durations of 17 fs and energies of over 100 μJ were produced in a single OPCPA stage. Three different nonlinear crystals: BBO,BiBO, and LNB were tested in the final parametric amplifier, and their average power related limitations are addressed. BMO authors (in alphabetic order): Eberhard Riedle Order Hardcopy  DOI-Version |