Ultra-fast domain formation in a semiconductor superlattice

R. Scheuerer, F. Klappenberger, K. F. Renk, E. Schomburg, J. Allen, G. R. Ramian, J. S.S. Scott, Kovsh, V. Ustinov, A. Zhukov

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

Presents experimental evidence for ultra-fast domain formation in a semiconductor superlattice. An InGaAs/InAlAs superlattice device was mounted in a corner cube. The superlattice device showed a region of negative differential conductance in the current-voltage characteristic for voltages larger than an onset voltage. When the superlattice device was irradiated with radiation smaller than 1.2 THz, the onset voltage shifted, with increasing THz radiation power, to lower voltages. Taking an analysis based on a drift-diffusion model into account, we suggest that dipole domains form within about 400 fs.

OriginalspracheEnglisch
TitelConference Digest - 27th International Conference on Infrared and Millimeter Waves, IRMMW 2002
Redakteure/-innenRichard J. Temkin
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
Seiten15-16
Seitenumfang2
ISBN (elektronisch)0780374231, 9780780374232
DOIs
PublikationsstatusVeröffentlicht - 2002
Extern publiziertJa
Veranstaltung27th International Conference on Infrared and Millimeter Waves, IRMMW 2002 - San Diego, USA/Vereinigte Staaten
Dauer: 22 Sept. 200226 Sept. 2002

Publikationsreihe

NameConference Digest - 27th International Conference on Infrared and Millimeter Waves, IRMMW 2002

Konferenz

Konferenz27th International Conference on Infrared and Millimeter Waves, IRMMW 2002
Land/GebietUSA/Vereinigte Staaten
OrtSan Diego
Zeitraum22/09/0226/09/02

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