TITLE

Dynamical nonlinearity in strained InGaAs (311)A sidewall quantum wires

AUTHOR(S)
Alderighi, Daniele; Zamfirescu, Marian; Vinattieri, Anna; Gurioli, Massimrno; Sanguinetti, Stefano; Povolotskyi, Michael; Gleize, Jerome; Di Carlo, Aldo; Lugli, Paolo; Nützel, Richard
PUB. DATE
February 2004
SOURCE
Applied Physics Letters;2/2/2004, Vol. 84 Issue 5, p786
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Significant optical nonlinearity has been found in InGaAs (311)A sidewall quantum wires by means of time resolved photoluminescence measurements. A strong reverse quantum confined Stark effect has been observed and attributed to the dynamical screening of both the internal piezoelectric field and the Coulomb interaction between carriers. The time evolution of the quantum wire emission has been reproduced by means of self-consistent calculations that take into account excitonic effects, strain, and induced piezoelectric charges. © 2004 American Institute of Physics.
ACCESSION #
12063196

 

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