Ultrafast two-dimensional field spectroscopy of terahertz intersubband saturable absorbers

URN to cite this document:: urn:nbn:de:bvb:355-epub-383654
DOI to cite this document:: 10.5283/epub.38365

Raab, Jürgen ; Lange, Christoph ; Boland, Jessica L.

; Laepple, Ignaz ; Furthmeier, Martin ; Dardanis, Enrico ; Dessmann, Nils ; Li, Lianhe ; Linfield, Edmund H. ; Davies, A. Giles

; Vitiello, Miriam S. ; Huber, Rupert

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Date of publication of this fulltext: 18 Feb 2019 12:24

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Abstract

Intersubband (ISB) transitions in semiconductor multi-quantum well (MQW) structures are promising candidates for the development of saturable absorbers at terahertz (THz) frequencies. Here, we exploit amplitude and phase-resolved two-dimensional (2D) THz spectroscopy on the sub-cycle time scale to observe directly the saturation dynamics and coherent control of ISB transitions in a ...