Abstract

Currently, a major effort is pursued in the field of laser development in order to generate intense light pulses in the short-wave infrared (SWIR) spectral range around 2 µm[1,2]. Most of the development concentrates on thulium- or holmium-doped gain media whose gain bandwidth can support 100 fs to few-ps pulse durations depending on the applied host material. These sources are usually needed for pumping OPCPAs covering the entire infrared range [3,4]. However, the compression of the ps pulses to substantially shorter durations via spectral broadening techniques promises to unlock important applications such as high-flux generation of XUV radiation in the water window.

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