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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2002

Line narrowing in single semiconductor quantum dots: Toward the control of environment effects

Claire Kammerer
Guillaume Cassabois
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F. Klopf
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Jp Reithmaier
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A. Forchel
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Résumé

We report systematic linewidth measurements on the fundamental transition of single InGaAs quantum dots. We demonstrate the quenching of the acoustic-phonon dephasing for quantum dots spectrally well separated from the band tail of the wetting layer. We achieve a line narrowing with linewidth of the order of few mueV by tailoring the influence of the electrostatic environment through a decrease of the excess energy in the nonresonant excitation process.
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Dates et versions

hal-00546650 , version 1 (14-12-2010)

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Claire Kammerer, C. Voisin, Guillaume Cassabois, C. Delalande, P. Roussignol, et al.. Line narrowing in single semiconductor quantum dots: Toward the control of environment effects. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2002, 66, pp.041306. ⟨10.1103/PhysRevB.66.041306⟩. ⟨hal-00546650⟩
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