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|
Terahertz driven amplification of coherent optical phonons in GaAs coupled to metallic dog-bone resonators
1 Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, 12489 Berlin, Germany
2 Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87185, USA
3 Department of Electrical Engineering, The State University of New York at Buffalo, Buffalo, New York 14260, USA
* Corresponding author: firstname.lastname@example.org
Published online: 16 April 2019
Two-dimensional terahertz spectroscopy on an AlAs/GaAs nanostructure covered by field-enhancing dog-bone resonators shows signatures of coherent optical phonon amplification. Amplification is due to stimulated phonon emission by a terahertz-driven electron current.
© The Authors, published by EDP Sciences, 2019
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