Ultrafast and nonlinear terahertz spectroscopy of semiconductor quantum structures


Ultrafast and nonlinear terahertz spectroscopy of semiconductor quantum structures

Schneider, H.

This seminar gives an overview on our recent experimental studies involving terahertz (THz) radiation from photoconducting antennae and from the free-electron laser in Dresden, Germany. In particular, microstructured scalable antennae for photoconductive THz emitters and semiconductor quantum well detectors for quadratic autocorrelation of pulsed THz radiation will be discussed. The final part of my talk will concentrate on nonlinear THz spectroscopy, in particular THz sideband generation and coherent dynamics of excitons dressed by strong THz beams.

Keywords: two-photon absorption; quadratic autocorrelation; terahertz spectroscopy

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Publ.-Id: 14777