EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||3|
|Section||Semiconductors, Transition-Metals and Nanocrystals|
|Published online||16 April 2019|
Subcycle Wannier-Stark Localization by Mid-Infrared Bias in Gallium Arsenide
1 Department of Physics, University of Konstanz, D-78457 Konstanz, Germany
2 Department of Physics, University of Paderborn, D-33098 Paderborn, Germany
3 Solid State Physics Laboratory, ETH Zurich, CH-8093 Zürich, Switzerland
Published online: 16 April 2019
The fundamental interband absorption in gallium arsenide shows a strong blue shift when biased by mid-infrared transients exceeding 10 MV/cm. This subcycle feature is induced by the localization of electronic wavefunctions from 3D to 2D.
© The Authors, published by EDP Sciences, 2019
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