403 citations · 2.8k across the 38 of their papers we have counts for
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cond-mat.other2010★ 67 cited
Semiconductor saturable absorbers for ultrafast THz signals
Matthias C. Hoffmann, Dmitry Turchinovich
We demonstrate saturable absorber behavior of n-type semiconductors GaAs, GaP and Ge in THz frequency range at room temperature using nonlinear THz spectroscopy. The saturation mec…
cond-mat.other2009★ 168 cited
Terahertz Kerr effect
Matthias C. Hoffmann, Nathaniel C. Brandt, Harold Y. Hwang +2
We have observed optical birefringence in liquids induced by single-cycle THz pulses with field strengths exceeding 100 kV/cm. The induced change in polarization is proportional to…