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Femtosecond Optical Response of Exciton-LO Phonon Quasiparticles in GaAs

Betz, M. and Göger, G. and Leitenstorfer, A. and Zimmermann, R. and Bichler, Max and Wegscheider, Werner and Abstreiter, Gerhard (2002) Femtosecond Optical Response of Exciton-LO Phonon Quasiparticles in GaAs. physica status solidi a 231 (1), pp. 181-186.

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A weak Fano-type structure one LO phonon energy above the fundamental exciton in bulk GaAs is investigated via highly sensitive femtosecond transmission spectroscopy. It is identified as the response of an exciton-LO phonon quasiparticle. The low-density dephasing time of this excitation is directly determined to be 300 fs. Temperature and carrier density dependent measurements elucidate the ...


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Item Type:Article
Date:March 2002
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
71.35.Gg; 78.47.+p; 78.66.Fd; S7.12PACS
Subjects:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:08 Feb 2010 13:20
Last Modified:13 Mar 2014 12:50
Item ID:12741
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