Boosting terahertz generation in laser-field ionized gases using a sawtooth wave shape

Show simple item record

dc.identifier.uri Martínez, P.G.D.A. Babushkin, I. Bergé, L. Skupin, S. Cabrera-Granado, E. Köhler, C. Morgner, Uwe Husakou, A. Herrmann, J. 2018-05-09T12:41:44Z 2018-05-09T12:41:44Z 2015
dc.identifier.citation Martínez, P.G.D.A.; Babushkin, I.; Bergé, L.; Skupin, S.; Cabrera-Granado, E. et al.: Boosting terahertz generation in laser-field ionized gases using a sawtooth wave shape. In: Physical Review Letters 114 (2015), Nr. 18, 183901. DOI:
dc.description.abstract Broadband ultrashort terahertz (THz) pulses can be produced using plasma generation in a noble gas ionized by femtosecond two-color pulses. Here we demonstrate that, by using multiple-frequency laser pulses, one can obtain a waveform which optimizes the free electron trajectories in such a way that they acquire the largest drift velocity. This allows us to increase the THz conversion efficiency to 2%, an unprecedented performance for THz generation in gases. In addition to the analytical study of THz generation using a local current model, we perform comprehensive 3D simulations accounting for propagation effects which confirm this prediction. Our results show that THz conversion via tunnel ionization can be greatly improved with well-designed multicolor pulses. © 2015 American Physical Society. eng
dc.language.iso eng
dc.publisher American Physical Society
dc.relation.ispartofseries Physical Review Letters 114 (2015), Nr. 18
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
dc.subject Electrons eng
dc.subject Inert gases eng
dc.subject Ionization eng
dc.subject Terahertz waves eng
dc.subject Analytical studies eng
dc.subject Current modeling eng
dc.subject Drift velocities eng
dc.subject Multiple frequency eng
dc.subject Plasma generation eng
dc.subject Propagation effect eng
dc.subject Terahertz generation eng
dc.subject Tunnel ionization eng
dc.subject Ionization of gases eng
dc.subject.ddc 530 | Physik ger
dc.title Boosting terahertz generation in laser-field ionized gases using a sawtooth wave shape
dc.type article
dc.type Text
dc.relation.issn 0031-9007
dc.bibliographicCitation.issue 18
dc.bibliographicCitation.volume 114
dc.bibliographicCitation.firstPage 183901
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

Files in this item

This item appears in the following Collection(s):

Show simple item record


Search the repository


My Account

Usage Statistics