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  Optical-field-induced current in dielectrics

Schiffrin, A., Paasch-Colberg, T., Karpowicz, N., Apalkov, V., Gerster, D., Mühlbrandt, S., et al. (2013). Optical-field-induced current in dielectrics. Nature, 493(7430), 70-74. doi:10.1038/nature11567.

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Schiffrin, Augustin1, Autor
Paasch-Colberg, Tim1, Autor
Karpowicz , Nicholas1, Autor
Apalkov , Vadym2, Autor
Gerster , Daniel3, Autor
Mühlbrandt , Sascha1, 3, Autor
Korbman, Michael1, Autor
Reichert , Joachim3, Autor
Schultze , Martin1, 4, Autor
Holzner , Simon1, Autor
Barth , Johannes V.3, Autor
Kienberger, Reinhardt1, 3, Autor
Ernstorfer, Ralph1, 3, 5, Autor           
Yakovlev , Vladislav S.1, 4, Autor
Stockman , Mark I.2, Autor
Krausz , Ferenc1, 4, Autor
Affiliations:
1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany, ou_persistent22              
2Department of Physics and Astronomy, Georgia State University,, Atlanta, Georgia 30340, USA, ou_persistent22              
3Physik-Department, Technische Universität München, James-Franck-Strasse, D-85748 Garching, Germany , ou_persistent22              
4Fakultät für Physik, Ludwig-Maximilians-Universität, Am Coulombwall 1, D-85748 Garching, Germany, ou_persistent22              
5Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Zusammenfassung: The time it takes to switch on and off electric current determines the rate at which signals can be processed and sampled in modern information technology 1, 2, 3, 4. Field-effect transistors 1, 2, 3, 5, 6 are able to control currents at frequencies of the order of or higher than 100 gigahertz, but electric interconnects may hamper progress towards reaching the terahertz (1012 hertz) range. All-optical injection of currents through interfering photoexcitation pathways 7, 8, 9, 10 or photoconductive switching of terahertz transients 11, 12, 13, 14, 15, 16 has made it possible to control electric current on a subpicosecond timescale in semiconductors. Insulators have been deemed unsuitable for both methods, because of the need for either ultraviolet light or strong fields, which induce slow damage or ultrafast breakdown 17, 18, 19, 20, respectively. Here we report the feasibility of electric signal manipulation in a dielectric. A few-cycle optical waveform reversibly increases—free from breakdown—the a.c. conductivity of amorphous silicon dioxide (fused silica) by more than 18 orders of magnitude within 1 femtosecond, allowing electric currents to be driven, directed and switched by the instantaneous light field. Our work opens the way to extending electronic signal processing and high-speed metrology into the petahertz (1015 hertz) domain.

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Sprache(n): eng - English
 Datum: 2011-12-202012-08-312012-12-052013-01-03
 Publikationsstatus: Erschienen
 Seiten: 5
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1038/nature11567
 Art des Abschluß: -

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Titel: Nature
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: London : Nature Publishing Group
Seiten: - Band / Heft: 493 (7430) Artikelnummer: - Start- / Endseite: 70 - 74 Identifikator: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238