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Average power scaling of sub-2 cycle lasers to the kilowatt regime

: Rothhardt, J.; Hädrich, S.; Klas, R.; Tadesse, G.K.; Hoffmann, A.; Tschernajew, M.; Klenke, A.; Várallyay, Z.; Drozdy, A.; Cormier, E.; Liem, A.; Schreiber, T.; Limpert, J.; Tünnermann, A.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers 2015 : Berlin, Germany, October 4-9, 2015
Washington, DC: OSA, 2015
ISBN: 978-1-943580-02-6
Paper ATu4A.2
Conference "Advanced Solid State Lasers" (ASSL) <2015, Berlin>
Conference Paper
Fraunhofer IOF ()

Double-stage nonlinear compression of state-of-the-art femtosecond fiber lasers allows for few-cycle lasers with record-high average power levels. Here, a comprehensive study on further power scaling aspects is presented. Compression to sub-2cycle pulses is demonstrated and it is shown that capillary waveguides and gold-coated sapphire optics are suitable to realize several 100 W of average power in combination with energetic sub-2cycle pulses in the near future. These lasers could open unique possibilities in high harmonic generation and attosecond science.