Terahertz shockwaves generated by a precise subcycle cut of the electric field
Terahertz shockwaves generated by a precise subcycle cut of the electric field
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2018
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Optica ; 5 (2018), 7. - pp. 821-824. - eISSN 2334-2536
Abstract
Electromagnetic transients with a steep onset of the electric field represent the optical analog to acoustic shockwaves. Impulsive excitation of an electron-hole plasma with 8 fs pulses activates the reflection of high-field terahertz transients from a semiconductor surface on a deeply subcycle timescale. The resulting waveforms display a few-femtosecond rise of the electric field, equivalent to a broadening of their spectral content by several octaves. Such synthetic waveforms with subcycle shaping can be used, for example, as a tool to study extreme transport phenomena in condensed matter.
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BÜHLER, Johannes, Jonas ALLERBECK, Gabriel FITZKY, Daniele BRIDA, Alfred LEITENSTORFER, 2018. Terahertz shockwaves generated by a precise subcycle cut of the electric field. In: Optica. 5(7), pp. 821-824. eISSN 2334-2536. Available under: doi: 10.1364/OPTICA.5.000821BibTex
@article{Buhler2018-07-20Terah-42890, year={2018}, doi={10.1364/OPTICA.5.000821}, title={Terahertz shockwaves generated by a precise subcycle cut of the electric field}, number={7}, volume={5}, journal={Optica}, pages={821--824}, author={Bühler, Johannes and Allerbeck, Jonas and Fitzky, Gabriel and Brida, Daniele and Leitenstorfer, Alfred} }
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