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Mid-infrared femtosecond pulses from a quantum cascade laser
(2022)Proceedings of SPIE ~ Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIIIn recent years, quantum cascade lasers have matured to become compact, powerful sources of coherent mid infrared light. Yet, the ultrafast carrier dynamics in these sources has so far restricted the formation of high intensity ultrashort pulses. In this work, we demonstrate the formation of similar to 630 fs QCL pulses with a peak power of similar to 4.3 W. We break the picosecond barrier in an approach similar to chirped pulse amplification, ...Conference Paper