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Broadband terahertz study of excitonic resonances in the high-density regime in GaAs∕AlxGa1−xAs quantum wells

Huber, Rupert, Kaindl, R. A., Schmid, B. A. and Chemla, D. S. (2005) Broadband terahertz study of excitonic resonances in the high-density regime in GaAs∕AlxGa1−xAs quantum wells. Physical Review B 72 (16), 161314(R).

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Abstract

We report the first terahertz study of the intraexcitonic 1s-2p transition at high excitation densities in GaAs∕AlxGa1−xAs quantum wells. A strong shift, broadening, and ultimately the disappearance of this resonance occurs with increasing density, after ultrafast photoexcitation at the near-infrared exciton line. Densities of excitons and unbound electron-hole pairs are followed quantitatively ...

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Item type:Article
Date:2005
Additional Information (public):» This publication has been selected for the Virtual Journal of Ultrafast Science
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Huber > Group Rupert Huber
Identification Number:
ValueType
10.1103/PhysRevB.72.161314DOI
Classification:
NotationType
78.47.+pPACS
73.20.MfPACS
78.67.DePACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:19327
Owner only: item control page

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