Sub-cycle high-order nonlinearities in a free-running terahertz semiconductor laser
Riepl, J.; Raab, J.; Abajyan, P.; Nong, H., et al. (2022). Sub-cycle high-order nonlinearities in a free-running terahertz semiconductor laser The International Conference on Ultrafast Phenomena (UP) 2022. International Conference on Ultrafast Phenomena, UP 2022. Montreal, Canada: Optica Publishing Group (formerly OSA)
Conference Proceeding/Paper
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Published
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English
Authors:
Riepl, J.
;
Raab, J.
;
Abajyan, P.
;
Nong, H.
, et al.
Department:
LTH Profile Area: Nanoscience and Semiconductor Technology
NanoLund: Centre for Nanoscience
Mathematical Physics
Abstract:
Field-resolved two-dimensional spectroscopy reveals the sub-cycle gain dynamics of a free-running terahertz quantum cascade laser and disentangles resonantly enhanced nonlinearities up to eight-wave mixing in a regime where gain replaces absorption.
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