Polarization revival of a Bloch oscillating wave packet in conjunction with resonant Zener tunneling

Item Type: Article
MIUR type: Article > Journal article
Title: Polarization revival of a Bloch oscillating wave packet in conjunction with resonant Zener tunneling
Authors string: Meinhold D., Rosam B., Loeser F., Lyssenko V.G., Rossi F., Zhang G.Z., Koehler K., Leo K.
University authors:
Journal or Publication Title: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS
Referee type: Not specified type
Publisher: APS American Physical Society
Volume: 65
Number: 11
Page Range: 113302-1-113302-3
Number of Pages: 3
ISSN: 1098-0121
Abstract: We investigate the dynamics of a Bloch-oscillating wave packet in the presence of strong coupling to delocalized above barrier states (Zener tunneling), using time-resolved intraband polarization-sensitive measurements. At a threshold electric field, the resonance of localized and delocalized states causes a quantum beating which is observed as a revival in the intraband polarization. Our numerical simulation visualizes the spatial wave packet decomposition and reformation. The wave packet moves on a ps time scale over a distance of more than 100 nm and sequentially undergoes Bloch oscillations in the below- and above-barrier bands
Date: 2002
Status: Published
Language of publication: English
Uncontrolled Keywords:
Departments (original): DIFIS - Physics
Departments: DISAT - Department of Applied Science and Technology
Related URLs:
Subjects: Area 02 - Scienze fisiche > FISICA DELLA MATERIA
Date Deposited: 14 Jul 2008 15:07
Last Modified: 16 Oct 2013 01:29
Id Number (DOI): 10.1103/PhysRevB.65.113302
Permalink: http://porto.polito.it/id/eprint/1405237
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