Field-resolved high-order nonlinearities in a free-running terahertz quantum cascade laser
Riepl, J.; Raab, J.; Abajyan, P.; Nong, H., et al. (2022). Field-resolved high-order nonlinearities in a free-running terahertz quantum cascade laser CLEO : Science and Innovations, S and I 2022. CLEO: Science and Innovations, S and I 2022. San Jose, United States: 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:
Two-dimensional terahertz strong-field spectroscopy reveals wave-mixing processes up to eighth order in a free-running quantum cascade laser, unravelling its sub-cycle gain dynamics and nonlinearities in a regime of negative absorption.
Keywords:
Atom and Molecular Physics and Optics ;
Condensed Matter Physics
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