Ultrafast terahertz saturable absorbers using tailored intersubband polaritons

URN to cite this document:: urn:nbn:de:bvb:355-epub-437600
DOI to cite this document:: 10.5283/epub.43760

Raab, Jürgen ; Mezzapesa, Francesco P. ; Viti, L. ; Dessmann, Nils ; Diebel, Laura K. ; Li, Lianhe

; Davies, A. Giles

; Linfield, Edmund H.

; Lange, Christoph

; Huber, Rupert ; Vitiello, Miriam S.

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Date of publication of this fulltext: 25 Sep 2020 06:55

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Abstract

Semiconductor heterostructures have enabled a great variety of applications ranging from GHz electronics to photonic quantum devices. While nonlinearities play a central role for cutting-edge functionality, they require strong field amplitudes owing to the weak light-matter coupling of electronic resonances of naturally occurring materials. Here, we ultrastrongly couple intersubband transitions ...